Research Explorer

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Researcher

Andreas De Leenheer

Publications & Research Data

Awards & Distinctions

447 Results

2006

Class identity assignment for amphetamines using neural networks and GC-FTIR data

S GosavMirela PraislerJan Van BocxlaerAndreas De LeenheerDesiré L Massart

A1 Journal Article in SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY

Doctoreren in Vlaanderen: the sequel: verslag survey UGent en K.U.Leuven

Hanneke PyckA VerlindenJ BillietR BouillonClaire Van de VeldeAndreas De Leenheer

A4 Journal Article in DELTA (BRUGGE)

2005

Validation of 5 routine assays for serum free testosterone with a candidate reference measurement procedure based on ultrafiltration and isotope dilution-gas chromatography-mass spectrometry

Katleen Van UytfangheDietmar StöcklJean KaufmanTOM FIERSAndreas De LeenheerLinda Thienpont

A1 Journal Article in CLINICAL BIOCHEMISTRY

2004

Analysis of multiple endocrine disruptors in environmental waters via wide-spectrum solid-phase extraction and dual-polarity ionization LC-ion trap-MS/MS

Tom BenijtsWilly LambertAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Countering matrix effects in environmental liquid chromatography-electrospray ionization tandem mass spectrometry water analysis for endocrine disrupting chemicals

Tom BenijtsR DAMSWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Evaluation of a candidate reference measurement procedure for serum free testosterone based on ultrafiltration and isotope dilution-gas chromatography-mass spectrometry

Katleen Van UytfangheDietmar StöcklJM KAUFMANT FIERSHA ROSSAndreas De LeenheerLinda Thienpont

A1 Journal Article in CLINICAL CHEMISTRY

2003

Analysis of flecainide and two metabolites in biological specimens by HPLC : application to a fatal intoxication

Tom BenijtsDaniëlle BorreyWilly LambertEls De LetterMichel PietteCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Application of a C-peptide electrospray ionization-isotope dilution-liquid chromatography-tandem mass spectrometry measurement procedure for the evaluation of five C-peptide immunoassays for urine

Colette FierensDietmar StöcklD BaetensAndreas De LeenheerLinda Thienpont

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Effect of dietary supplementation of vitamins C and E on maternal performance and larval quality of the prawn Macrobrachium rosenbergii

RO CavalliFMM BatistaPatrick LavensPatrick SorgeloosHans NelisAndreas De Leenheer

A1 Journal Article in AQUACULTURE

Fatality due to combined use of the designer drugs MDMA and PMA : a distribution study

R DamsEls De LetterKjell MortierJan CordonnierWilly LambertMichel PietteSerge Van CalenberghAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

LC-atmospheric pressure chemical ionization-MS/MS analysis of multiple illicit drugs, methadone, and their metabolites in oral fluid following protein precipitation

Riet DamsCM MurphyRE ChooWilly LambertAndreas De LeenheerMA Huestis

A1 Journal Article in ANALYTICAL CHEMISTRY

Longitudinal study on the prevalence of benzodiazepine (mis)use in a prison : importance of the analytical strategy

Daniëlle BorreyEvelyne MeyerLuc DuchateauWilly LambertCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in ADDICTION

Pitfalls, methods and criteria in the analysis of residues and contaminants in biological material

Hubert De BrabanderAndreas De Leenheer

Sonic spray ionization applied to liquid chromatography/mass spectrometry analysis of endocrine-disrupting chemicals in environmental water samples

Tom BenijtsWolfgang GüntherWilly LambertAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Standardization of C-peptide measurements in urine by method comparison with isotope-dilution mass spectrometry

C FierensDietmar StöcklD BaetensAndreas De LeenheerLinda Thienpont

A1 Journal Article in CLINICAL CHEMISTRY

2002

Analysis of benzo(a)pyrene diol epoxide-DNA adducts by capillary zone electrophoresis-electrospray ionization-mass spectrometry in conjunction with sample stacking

An WillemsDieter DeforceElfrida Van Den EeckhoutWilly LambertCarlos Van PeteghemAndreas De LeenheerJan Van Bocxlaer

A1 Journal Article in ELECTROPHORESIS

Analysis of estrogenic contaminants in river water using liquid chromatography coupled to ion trap based mass spectrometry

Tom BenijtsRiet DamsW GüntherWilly LambertAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Automated recognition of ergogenic aids using Soft Independent Modeling of Class Analogy (SIMCA)

M PraislerJan Van BocxlaerAndreas De LeenheerDL Massart

A1 Journal Article in TURKISH JOURNAL OF CHEMISTRY

Chemometric detection of thermally degraded samples in the analysis of drugs of abuse with gas chromatography-Fourier-transform infrared spectroscopy

M PraislerJan Van BocxlaerAndreas De LeenheerDL Massart

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Determination of paramethoxyamphetamine and other amphetamine-related designer drugs by liquid chromatography/sonic spray ionization mass spectrometry

Kjell MortierRiet DamsWilly LambertEls De LetterSerge Van CalenberghAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Distribution profile study of 4-MTA based on a fatal intoxication.

Tineke DecaesteckerE DE LETTERKarine ClauwaertMarie-Paule BoucheWilly LambertJan Van BocxlaerM PIETTEE VAN DEN EECKHOUTCarlos Van PeteghemAndreas De Leenheer

Distribution study of 3,4-methylenedioxymethamphetamine and 3,4-methylenedioxyamphetamine in a fatal overdose

Els De LetterKarine ClauwaertWilly LambertJan Van BocxlaerAndreas De LeenheerMichel Piette

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Enzymatic hydrolysis improves the sensitivity of emit screening for urinary benzodiazepines

Daniëlle BorreyEvelyne MeyerLuc DuchateauWilly LambertCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Influence of the eluent composition on the ionization efficiency for morphine of pneumatically assisted electrospray, atmospheric-pressure chemical ionization and sonic spray

Riet DamsTom BenijtsW GüntherWilly LambertAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

No Compound A formation with Superia (R) during minimal-flow sevoflurane anesthesia : a comparison with Sofnolime

Marie-Paule BoucheLinda VersichelenMichel StruysJan Van BocxlaerAndreas De LeenheerEric MortierGeorges Rolly

A1 Journal Article in ANESTHESIA AND ANALGESIA

Quantitative determination of n-propane, iso-butane, and n-butane by headspace GC-MS in intoxications by inhalation of lighter fluid

Marie-Paule BoucheWilly LambertJan Van BocxlaerMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Reference measurement systems in clinical chemistry

Linda ThienpontKatleen Van UytfangheAndreas De Leenheer

A1 Journal Article in CLINICA CHIMICA ACTA

Simultaneous determination of in total 17 opium alkaloids and opioids in blood and urine by fast liquid chromatography-diode-array detection-fluorescence detection, after solid-phase extraction

Riet DamsTom BenijtsWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Simultaneous, quantitative determination of opiates, amphetamines, cocaine and benzoylecgonine in oral fluid by liquid chromatography quadrupole-time-of-flight mass spectrometry

Kjell MortierKristof MaudensWilly LambertKarine ClauwaertJan Van BocxlaerDieter DeforceCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Sonic spray ionization technology : performance study and application to a LC/MS analysis on a monolithic silica column for heroin impurity profiling

Riet DamsTom BenijtsW GuntherWilly LambertAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

2001

A convenient method for the generation of negative and positive electrospray ionization mass spectra of proteins by gas-phase admission of volatile bases and acids via the nebulizing gas

Colette FierensDietmar StöcklLinda ThienpontAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

A fatal case of moclobemide-citalopram intoxication : reply

Riet DamsTom BenijtsWilly LambertJan Van BocxlaerCarlos Van PeteghemAndreas De LeenheerD Van Varenbergh

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

A fatal case of serotonin syndrome after combined moclobemide-citalopram intoxication

Riet DamsTom BenijtsWilly LambertJan Van BocxlaerD VAN VARENBERGHAndreas De Leenheer

A fatal case of serotonin syndrome after combined moclobemide-citalopram intoxication

Riet DamsTom BenijtsWilly LambertJan Van BocxlaerD Van VarenberghCV PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

A structured approach for screening the relevant factors in a PTV injection optimizing procedure

Marie-Paule BoucheM PRAISLERJan Van BocxlaerAndreas De Leenheer

Antioxidant effect of dietary tocopherol and ascorbic acid on growth and survival of Litopenaeus vannamei postlarvae

N RuffPatrick LavensJZ HuoPatrick SorgeloosHJ NelisAndreas De Leenheer

A1 Journal Article in AQUACULTURE INTERNATIONAL

Compound A production from sevoflurane is not less when KOH-free absorbent is used in a closed-circuit lung model system

Linda VersichelenMarie-Paule BoucheMichel StruysJan Van BocxlaerEric MortierAndreas De LeenheerGeorges Rolly

A1 Journal Article in BRITISH JOURNAL OF ANAESTHESIA

Computer-aided screening for hallucinogenic and stimulant amphetamines with gas chromatography-Fourier transform infrared spectroscopy (GC-FTIR)

M PraislerInge DirinckJan Van BocxlaerAndreas De LeenheerDL Massart

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Data dependent MS to MS/MS switching using a Q-TOF in a forensic drug screening environment

Tineke DecaesteckerKarine ClauwaertWilly LambertEG VAN DEN EECKHOUTCarlos Van PeteghemAndreas De Leenheer

Fatal 4-MTA intoxication : development of a liquid chromatographic-tandem mass spectrometric assay for multiple matrices

Tineke DecaesteckerEls De LetterKarine ClauwaertMarie-Paule BoucheWilly LambertJan Van BocxlaerMichel PietteElfrida Van Den EeckhoutCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Heroin impurity profiling : trends throughout a decade of experimenting

Riet DamsTom BenijtsWilly LambertDL MassartAndreas De Leenheer

A1 Journal Article in FORENSIC SCIENCE INTERNATIONAL

Kernelementen doctoreren in Vlaanderen

H DESCHRIJVERClaire Van de VeldeHannelore Van der BekenHilary PageHans WaegeAndreas De LeenheerA VERLINDENJ HOUBENJ BILLIETD SMEDTS et al.

Multivariate determination of the length of the side chain of illicit amphetamine analogues with GC-FTIR spectra.

M PRAISLERJan Van BocxlaerAndreas De LeenheerDL MASSART

A2 Journal Article in The Annals of the University 'Dunãrea de Jos', Fascicle II, XVIII, 2000

Only carbon dioxide absorbents free of both NaOH and KOH do not generate compound A during in vitro closed-system sevoflurane : evaluation of five absorbents

Linda VersichelenMarie-Paule BoucheGeorges RollyJan Van BocxlaerMichel StruysAndreas De LeenheerEric Mortier

A1 Journal Article in ANESTHESIOLOGY

PhD production rates in Flanders

H DESCHRIJVERClaire Van de VeldeHannelore Van der BekenHilary PageHans WaegeAndreas De LeenheerA VERLINDENJ HOUBENJ BILLIETD SMEDTS et al.

Pitfalls associated with liquid chromatography/electrospray tandem mass spectrometry in quantitative bioanalysis of drugs of abuse in saliva

Kjell MortierKarine ClauwaertWilly LambertJan Van BocxlaerElfrida Van Den EeckhoutCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Quantitative determination of n-propane, isobutane and n-nutane by headspace GC-MS in a fatal intoxication by inhalation of lighter fluid

Marie-Paule BoucheWilly LambertJan Van BocxlaerM PIETTEAndreas De Leenheer

Quantitative determination of vapor-phase compound A in sevoflurane anesthesia using gas chromatography-mass spectrometry

Marie-Paule BoucheJan Van BocxlaerGeorges RollyLinda VersichelenMichel StruysEric MortierAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Quantitative GC-MS of volatiles : compound A determination in the vapor phase of sevoflurane based anesthesia systems

Marie-Paule BoucheJan Van BocxlaerG ROLLYL VERSICHELENM STRUYSE MORTIERWilly LambertAndreas De Leenheer

Sensitive gas chromatographic-mass spectrometric screening of acetylated benzodiazepines

Daniëlle BorreyEvelyne MeyerWilly LambertSerge Van CalenberghCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Simultaneous determination of fifteen low-dosed benzodiazepines in human urine by solid-phase extraction and gas chromatography-mass spectrometry

Daniëlle BorreyEvelyne MeyerWilly LambertCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B

Stability study of the designer drugs 'MDA, MDMA and MDEX' in water, serum, whole blood, and urine under various storage temperatures

Karine ClauwaertJan Van BocxlaerAndreas De Leenheer

A1 Journal Article in FORENSIC SCIENCE INTERNATIONAL

Strategies for determination of insulin with tandem electrospray mass spectrometry : implications for other analyte proteins?

Colette FierensDietmar StöcklLinda ThienpontAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

The content of ascorbic acid and tocopherol in the tissues and eggs of wild Macrobrachium rosenbergii during maturation

RO CavalliMontakan TamtinPatrick LavensPatrick SorgeloosHJ NelisAndreas De Leenheer

A1 Journal Article in JOURNAL OF SHELLFISH RESEARCH

2000

Comparison between automated knowledge-based systems identifying and classifying amphetamine analogues using vapor-phase FTIR-spectra and mass spectra.

Inge DirinckM PRAISLERJan Van BocxlaerAndreas De LeenheerDL MASSART

A2 Journal Article in The 37th triennial Meeting of The International Association of Forensic Toxicologists / Lech T, Wójcikiewicz J., Eds. - Krakow : Institute of Forensic Research Publishers, 2000 - 5 pp.

Comparison of an enzymatic alcohol dehydrogenase assay and alcohol headspace GC-FID method using statistical analysis on real forensic blood and urine samples.

Katrien ArysJan Van BocxlaerWilly LambertCarlos Van PeteghemAndreas De Leenheer

A2 Journal Article in The 37th triennial Meeting of The International Association of Forensic Toxicologists / Lech T, Wójcikiewicz J., Eds. - Krakow : Institute of Forensic Research Publishers, 2000 - 4 pp.

Comparison of phenyl-type columns in the development of a fast liquid chromatographic system for eighteen opiates commonly found in forensic toxicology

Riet DamsWilly LambertKarine ClauwaertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Determination of the designer drugs 3,4-methylenedioxymethamphetamine, 3,4-methylenedioxyethylamphetamine, and 3,4-methylenedioxyamphetamine with HPLC and fluorescence detection in whole blood, serum, vitreous humor, and urine

Karine ClauwaertJan Van BocxlaerEls De LetterSerge Van CalenberghWilly LambertAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Drugbeleid aan de vooravond van de 21ste eeuw = Politique en matière de drogue à la veille du 21ième siècle

Evaluation of automated single mass spectrometry to tandem mass spectrometry function switching for comprehensive drug profiling analysis using a quadrupole time-of-flight mass spectrometer

Tineke DecaesteckerKarine ClauwaertJan Van BocxlaerWilly LambertElfrida Van Den EeckhoutCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Exploratory analysis for the automated identification of amphetamines from vapour-phase FTIR spectra

M PraislerInge DirinckJan Van BocxlaerAndreas De LeenheerDL Massart

A1 Journal Article in ANALYTICA CHIMICA ACTA

Identification of novel illicit amphetamines from vapor-phase FTIR spectra - a chemometrical solution

M PraislerInge DirinckJan Van BocxlaerAndreas De LeenheerDL Massart

A1 Journal Article in TALANTA

In vitro compound a formation in a computer-controlled closed-circuit anesthetic apparatus - Comparison with a classical valve circuit. Vol. 93

Linda VersichelenGeorges RollyM BOUCHEJ VAN BOXLAERMichel StruysC VAN DER HERTENAndreas De LeenheerEric Mortier

In vitro compound A formation in a computer-controlled closed-circuit anesthetic apparatus : comparison with a classical valve circuit

Linda VersichelenGeorges RollyMarie-Paule BoucheJan Van BocxlaerMichel StruysC Van der HertenAndreas De LeenheerEric Mortier

A1 Journal Article in ANESTHESIOLOGY

Liquid chromatography-mass spectrometry in forensic toxicology

Jan Van BocxlaerKarine ClauwaertWilly LambertDieter DeforceElfrida Van Den EeckhoutAndreas De Leenheer

A1 Journal Article in MASS SPECTROMETRY REVIEWS

Matrix effect in the quantitative analysis of urinary C-peptide by liquid chromatography tandem mass spectrometry

Colette FierensLinda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Medico-legal implications of hidden thyroid dysfunction : a study of two cases

Els De LetterMichel PietteWilly LambertAndreas De Leenheer

A1 Journal Article in MEDICINE SCIENCE AND THE LAW

Modern chromatographic analysis of vitamins (Third edition, revised and expanded)

Other therapeutic drugs of forensic relevance (cardiac glycosides, antiarhythmics, oral antidiabetics and muscle relaxants)

Willy LambertAndreas De Leenheer

Bookchapter in Handbook of Analytical Separations - Vol.2 Forensic Science

Overcoming practical limitations for the application of ultrafiltration in sample preparation for liquid chromatography/mass spectrometry of small proteins

Colette FierensLinda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Pattern recognition techniques screening for drugs of abuse with gas chromatography-Fourier transform infrared spectroscopy

M PraislerInge DirinckJan Van BocxlaerAndreas De LeenheerDL Massart

A1 Journal Article in TALANTA

Quantification of glycohemoglobin in blood by mass spectrometry applying multiple-reaction monitoring

E WillekensLinda ThienpontDietmar StöcklU KoboldW HoelzelAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Quantitative analysis of urinary C-peptide by liquid chromatography-tandem mass spectrometry with a stable isotopically labelled internal standard

Colette FierensLinda ThienpontDietmar StöcklE WillekensAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Quantitative determination of paraquat by HPLC-DAD following chemical reduction with sodium borohydride in a fatal intoxication

Katrien ArysJan Van BocxlaerKarine ClauwaertWilly LambertMichel PietteCarlos Van PeteghemAndreas De Leenheer

Quantitative determination of paraquat in a fatal intoxication by HPLC-DAD following chemical reduction with sodium borohydride

Katrien ArysJan Van BocxlaerKarine ClauwaertWilly LambertMichel PietteCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Segmental analysis for cocaine and metabolites by HPLC in hair of suspected drug overdose cases

Karine ClauwaertJan Van BocxlaerWilly LambertAndreas De Leenheer

A1 Journal Article in FORENSIC SCIENCE INTERNATIONAL

Towards a reference method for serum free thyroxine based on isotope dilution mass spectrometry

Colette FierensDietmar StöcklLinda ThienpontAndreas De Leenheer

A2 Journal Article in IMMUNO-ANALYSE & BIOLOGIE SPECIALISEE

Toxicological analysis : liquid chromatography

Andreas De LeenheerWilly LambertJan Van Bocxlaer

Bookchapter in Encyclopedia of Separation Science

Vitamins : fat-soluble : thin-layer (planar) chromatography

Willy LambertAndreas De Leenheer

Bookchapter in Encyclopedia of Separation Science

1999

Identification and quantitation of despropionyl-bezitramide in postmortem samples by liquid chromatography coupled to electrospray ionization tandem mass spectrometry

Siegrid De BaereWilly LambertEL EsmansAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Investigation of the quantitative properties of the quadrupole orthogonal acceleration time-of-flight mass spectrometer with electrospray ionisation using 3,4-methylenedioxymethamphetamine

Karine ClauwaertJan Van BocxlaerHJ MajorJA ClaereboudtWilly LambertElfrida Van Den EeckhoutCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Isotope dilution-gas chromatography/mass spectrometry and liquid chromatography/electrospray ionization-tandem mass spectrometry for the determination of triiodo-L-thyronine in serum

Linda ThienpontColette FierensAndreas De LeenheerL Przywara

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Production and characterization of sulforhodamine B containing large unilamellar vesicles labeled with atrazine

Riet DamsWilly LambertFrank ComhaireAndreas De Leenheer

A1 Journal Article in ANALYTICA CHIMICA ACTA

Simultaneous determination of α-tocopheryl acetate and tocopherols in aquatic organisms and fish feed

JZ HuoHans NelisPatrick LavensPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B

Supplementation of ascorbic acid 2-monophosphate during the early postlarval stages of the shrimp Penaeus vannamei

Patrick LavensGreet MerchieX RamosA KujanA Van HauwaertA PedrazzoliHans NelisAndreas De Leenheer

A1 Journal Article in AQUACULTURE NUTRITION

The characterisation of cortisol concentrations in a reference serum panel (IRMM/IFCC-451)

Linda ThienpontAndreas De LeenheerL SiekmannN KristiansenT LinsingerH SchimmelJ Pauwels

1998

Analysis of fenthion in postmortem samples by HPLC with diode-array detection and GC-MS using solid-phase extraction

Evelyne MeyerDaniëlle BorreyWilly LambertCarlos Van PeteghemMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Analysis of the DNA adducts of phenyl glycidyl ether in a calf thymus DNA hydrolysate by capillary zone electrophoresis-electrospray mass spectrometry : evidence for phosphate alkylation

Dieter DeforceFilip LemièreIlse HoesRebecca E MillecampsEddy L EsmansAndreas De LeenheerElfrida Van Den Eeckhout

A1 Journal Article in CARCINOGENESIS

Analysis of the DNA damage induced by phenyl glycidyl ether using capillary zone electrophoresis-electrospray mass spectrometry

Dieter DeforceF LemièreEL EsmansAndreas De LeenheerElfrida Van Den Eeckhout

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Application of gas chromatography-Fourier transform infrared spectrometry to the analysis of amphetamine analogues

Inge DirinckEvelyne MeyerJan Van BocxlaerWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Assessment of the state-of-the-art trueness and precision of serum total-calcium and glucose measurements in Finnish laboratories : the QSL-Finland study

S LinkoJJ HimbergLinda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION

Characterization of DNA oligonucleotides by coupling of capillary zone electrophoresis to electrospray ionization Q-TOF mass spectrometry

Dieter DeforceJ RaymackersL MeheusF Van WijnendaeleAndreas De LeenheerElfrida Van Den Eeckhout

A1 Journal Article in ANALYTICAL CHEMISTRY

Comparison of quadrupole and (quadrupole) ion-trap mass spectrometers for the analysis of benzodiazepines

Daniëlle BorreyEvelyne MeyerWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Efforts by industry toward standardization of serum estradiol-17β measurements

Linda ThienpontAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Isotope dilution-liquid chromatography/electrospray ionization-tandem mass spectrometry for the determination of serum thyroxine as a potential reference method

Veronique De BrabandereP HouDietmar StöcklLinda ThienpontAndreas De Leenheer

A1 Journal Article in RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Narrow-bore HPLC in combination with fluorescence and electrospray mass spectrometric detection for the analysis of cocaine and metabolites in human hair

Karine ClauwaertJan Van BocxlaerWilly LambertElfrida Van Den EeckhoutF LemièreEL EsmansAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

On the use of trimethylchlorosilane in methanol for methylation of thyroxine prior to perfluoroacylation and isotope dilution-gas chromatography/mass spectrometry

Veronique De BrabandereDietmar StöcklLinda ThienpontAndreas De Leenheer

A1 Journal Article in JOURNAL OF MASS SPECTROMETRY

Preparative capillary zone electrophoresis in combination with off-line graphite furnace atomic absorption for the analysis of DNA complexes formed by a new aminocoumarine platinum (II) compound

Dieter DeforceG KokotosEL EsmansAndreas De LeenheerElfrida Van Den Eeckhout

A1 Journal Article in ELECTROPHORESIS

Quantitative gas chromatographic analysis of [1-(4-piperidinyl)-1,3-dihydro-2H-benzimidazole-2-one], the basic metabolite of bezitramide (Burgodin (R)), in human urine

Siegrid De BaereWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Testing for driving under the influence of ethanol : misleading results caused by ether

Siegrid De BaereEvelyne MeyerWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

1997

13C-NMR and mass spectral data of steroids with a 17,17-dialkyl-18-nor-13(14)-ene substructure

Veronique De BrabandereLinda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in JOURNAL OF LIPID RESEARCH

Determination of E vitamers in microalgae using high-performance liquid chromatography with fluorescence detection

JZ HuoHans NelisPatrick LavensPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Improved production of postlarval white shrimp through supplementation of L-ascorbyl-2-polyphosphate in their diet

EK KontaraGreet MerchiePatrick LavensR RoblesHans NelisAndreas De LeenheerPatrick Sorgeloos

A1 Journal Article in AQUACULTURE INTERNATIONAL

Liquid chromatographic determination of cocaine, benzoylecgonine, and cocaethylene in whole blood and serum samples with diode-array detection

Karine ClauwaertJan Van BocxlaerWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Liquid chromatographic determination of vitamin C in aquatic organisms

Hans NelisAndreas De LeenheerGreet MerchiePatrick LavensPatrick Sorgeloos

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Ontwikkeling van chromotografische methoden voor de bepaling van bezitramide (Burgodin) en metabolieten in biologische matrices

Siegrid De BaereAndreas De LeenheerWilly Lambert

Pharmacokinetics of florfenicol in cerebrospinal fluid and plasma of calves

B DecraenePiet DeprezE D'HaeseHans NelisWalter Van den BosscheAndreas De Leenheer

A1 Journal Article in ANTIMICROBIAL AGENTS AND CHEMOTHERAPY

Potential of high-performance liquid chromatography with photodiode array detection in forensic toxicology

Willy LambertJan Van BocxlaerAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B

Quantitative analysis of despropionyl-bezitramide, the active metabolite of bezitramide (Burgodin) in biological samples by high-performance liquid chromatography with fluorescence detection

Siegrid De BaereWilly LambertAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Quantitative colorimetric determination of urinary p-aminophenol with an automated analyzer

Jan Van BocxlaerKarine ClauwaertWilly LambertAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Quantitative determination of amphetamine and α-phenylethylamine enantiomers in judicial samples using capillary gas chromatography

Jan Van BocxlaerWilly LambertLinda ThienpontAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Relevance of toxicological screening for chloroquine in nonmalarious areas

Willy LambertEvelyne MeyerJan Van BocxlaerAndreas De LeenheerMichel Piette

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Succinic acid is not a suitable indicator of suxamethonium exposure in forensic blood samples

Evelyne MeyerWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

The certification of estradiol-17ß in three lyophilized serum materials (CRM 576, CRM 577 and CRM 578)

Linda ThienpontAndreas De LeenheerL Dirscher

The effect of supplemental ascorbic acid in enriched live food for Clarias gariepinus larvae at startfeeding

Greet MerchiePatrick LavensJohan VerrethFrans OllevierHans NelisAndreas De LeenheerV StorchPatrick Sorgeloos

A1 Journal Article in AQUACULTURE

Tissue distribution of amphetamine isomers in a fatal overdose

Evelyne MeyerJan Van BocxlaerInge DirinckWilly LambertLinda ThienpontAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Tissue distribution of trichloroethylene and its metabolites in a forensic case

S De BaereEvelyne MeyerInge DirinckWilly LambertMichel PietteCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Treatment of severe thallium intoxication

MLNG MalbrainGLY LambrechtE ZandijkPA DemedtsHM NeelsWilly LambertAndreas De LeenheerRL LinsR Daelemans

A1 Journal Article in JOURNAL OF TOXICOLOGY - CLINICAL TOXICOLOGY

1996

Accumulation of trimethoprim, sulfamethoxazole, and N-acetylsulfamethoxazole in fish and shrimp fed medicated Artemia franciscana

M ChairHans NelisP LegerPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in ANTIMICROBIAL AGENTS AND CHEMOTHERAPY

Accuracy of cortisol measurements: evaluation of three routine methods

Linda ThienpontAndreas De Leenheer

Accuracy-based assessment of proficiency testing results with serum from single donations : possibilities and limitations

Dietmar StöcklJC LibeerH ReinauerLinda ThienpontAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Analysis of cocaine, benzoylecgonine, and cocaethylene in urine by HPLC with diode array detection

Karine ClauwaertJan Van BocxlaerWilly LambertAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Analysis of Zopiclone (Imovane(R)) in postmortem specimens by GC-MS and HPLC with diode-array detection

Jan Van BocxlaerEvelyne MeyerKarine ClauwaertWilly LambertMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Calibration for isotope dilution mass spectrometry : description of an alternative to the bracketing procedure

Linda ThienpontBenedikt Van NieuwenhoveDietmar StöcklAndreas De Leenheer

A1 Journal Article in JOURNAL OF MASS SPECTROMETRY

Candidate reference method for determining serum cortisol based on isotope dilution-gas chromatography/mass spectrometry using heptafluorobutyrilation as derivatization method

Linda ThienpontVeronique De BrabandereDietmar StöcklAndreas De Leenheer

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Detection of cleavage of a prenisin-mimicking decapeptide by Lactococcus lactis subsp. lactis endoproteinase activity

Hans NelisLuc De VuystK GoubertBart DevreeseJozef Van BeeumenJ RaymackersErick VandammeAndreas De Leenheer

A1 Journal Article in ENZYME AND MICROBIAL TECHNOLOGY

Determination of reference method values by isotope dilution gas chromatography mass spectrometry : a five years' experience of two European Reference Laboratories

Linda ThienpontB VanNieuwenhoveDietmar StöcklH ReinauerAndreas De Leenheer

A1 Journal Article in EUROPEAN JOURNAL OF CLINICAL CHEMISTRY AND CLINICAL BIOCHEMISTRY

Determination of vitamin E in aquatic organisms by high-performance liquid chromatography with fluorescence detection

JZ HuoHans NelisPatrick LavensPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Dietary ascorbic acid requirements during the hatchery production of turbot larvae

Greet MerchiePatrick LavensPhilippe DhertMGU GomezHans NelisAndreas De LeenheerPatrick Sorgeloos

A1 Journal Article in JOURNAL OF FISH BIOLOGY

Four frequently used test systems for serum cholesterol evaluated by isotope dilution gas chromatography-mass spectrometry candidate reference method

Linda ThienpontKatrien Van LanduytDietmar StöcklAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Identification of a-Phenylethylamine in Judicial Samples

Evelyne MeyerJan Van BocxlaerWilly LambertLinda ThienpontAndreas De Leenheer

A2 Journal Article in Journal Anal. Toxicol., 20, pp. 116-120, 4 figg., 1 tab

Identification of α-phenylethylamine in judicial samples

Evelyne MeyerJan Van BocxlaerWilly LambertLinda ThienpontAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Influence of dietary vitamin C dosage on turbot (Scophthalmus maximus) and European sea bass (Dicentrarchus labrax) nursery stages

Greet MerchiePatrick LavensV StorchU ÜbelHans NelisAndreas De LeenheerPatrick Sorgeloos

A1 Journal Article in COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY

Lipophilic vitamins

Andreas De LeenheerWilly Lambert

Bookchapter in Handbook of Thin-Layer Chromatography

Quantitative gas chromatographic analysis of 3-cyano-3,3-diphenylpropionic acid, the acidic metabolite of bezitramide (Burgodin((R))), in urine

Siegrid De BaereWilly LambertJan Van BocxlaerAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Trazodone and dothiepin poisoning : reply

Willy LambertJan Van BocxlaerMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Veiligheids- en medisch-sociale benadering : complementair of tegengesteld? = Approche sécuritaire et socio-sanitaire : complémentaires ou contradictoires?

Brice De RuyverGert VermeulenAndreas De LeenheerThierry Marchandise

Zopiclone poisoning : reply

Jan Van BocxlaerEvelyne MeyerKarine ClauwaertWilly LambertMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

1995

3 ROUTINE METHODS FOR SERUM CORTISOL EVALUATED BY COMPARISON WITH AN ISOTOPE-DILUTION GAS-CHROMATOGRAPHY MASS-SPECTROMETRY METHOD.

VI DE BRABANDERELinda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Application of high-performance liquid chromatography to a fatality involving azide

Willy LambertMichel PietteCarlos Van PeteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Aspects on forensic toxicology

Marc Van Den HeedeAndreas De Leenheer

Bioencapsulation of antibacterial drugs in nauplii and adult brine shrimp, Artemia franciscana

B. A. DixonS. O. Van PouckeD. KawahigashiM. ChairMarleen DehasqueHans NelisPatrick SorgeloosAndreas De Leenheer

Candidate reference method for determining serum creatinine by isocratic HPLC : validation with isotope dilution gas chromatography-mass spectrometry and application for accuracy assessment of routine test kits

Linda ThienpontKG Van LanduytDietmar StöcklAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Characterization of acylcarnitines using fast atom bombardment mass spectrometry and gas chromatography/mass spectrometry

Jan Van BocxlaerM CLAEYSH VANDENHEUVELAndreas De Leenheer

A1 Journal Article in JOURNAL OF MASS SPECTROMETRY

Cis- and all-trans-canthaxanthin levels in fairy shrimps

G MURUGANHans NelisHenri DumontAndreas De Leenheer

A1 Journal Article in COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY B-BIOCHEMISTRY & MOLECULAR BIOLOGY

Communications : bioencapsulation of the antibacterial drug sarafloxacin in nauplii of the brine shrimp Artemia franciscana

BA DixonStefan Van PouckeM ChairMarleen DehasqueHans NelisPatrick SorgeloosAndreas De Leenheer

A2 Journal Article in JOURNAL OF AQUATIC ANIMAL HEALTH

Cyanide and sodium azide intoxication

Willy LambertEvelyne MeyerAndreas De Leenheer

A1 Journal Article in ANNALS OF EMERGENCY MEDICINE

Determination of chloral hydrate and metabolites in a fatal intoxication

Evelyne MeyerJan Van BocxlaerWilly LambertMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Determination of reference method values for serum aldosterone, cortisol, 17ß-estradiol, progesterone, testosterone, thyroxine and theophylline by isotope dilution gas chromatography-mass spectrometry : a five years' experience of two European laboratories

Benedikt Van NieuwenhoveVeronique De BrabandereKatrien Van LanduytLinda ThienpontAndreas De LeenheerDietmar StöcklH Reinauer

Determination of reference method values for serum cholesterol, creatinine, glucose, triglycérides and uric acid by isotope dilution gas chromatography-mass spectrometry : a five years' experience of two European laboratories

Katrien Van LanduytBenedikt Van NieuwenhoveVeronique De BrabandereL Theen-PontAndreas De LeenheerDietmar StöcklH Reinauer

Evaluation of 2-iminoimidazolidin-4-one and thymine as respective internal standards for normal-phase and reversed-phase high-performance liquid chromatographic determination of creatinine in human serum

Linda ThienpontKG VANLANDUYTDietmar StöcklWim SaeyensDenis De KeukeleireAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B-BIOMEDICAL APPLICATIONS

Evaluation of vitamin C-enriched Artemia nauplii for larvae of the giant freshwater prawn

Greet MerchiePatrick LavensJ RadullHans NelisAndreas De LeenheerPatrick Sorgeloos

A2 Journal Article in AQUACULTURE INTERNATIONAL

Fat-soluble vitamins

Andreas De LeenheerHans NelisWilly Lambert

High-performance liquid chromatographic determination of cocaine and its main metabolites in biological samples : a review

KM CLAUWAERTWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF LIQUID CHROMATOGRAPHY

Improved larviculture outputs of postlarval shrimp Penaeus vannamei through supplementation of L-ascorbyl-2-polyphosphate in the diet

E. K. KontaraGreet MerchiePatrick LavensHans NelisAndreas De LeenheerPatrick Sorgeloos

Isotope dilution mass spectrometry and implementation of a common accuracy base for routine medical laboratory analysis : practice and prospects

Linda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in JOURNAL OF MASS SPECTROMETRY

Kodak Ektachem theophylline assay

Linda ThienpontB VANNIEUWENHOVEAndreas De LeenheerDietmar Stöckl

A1 Journal Article in CLINICAL CHEMISTRY

Live food mediated drug delivery as a tool for disease treatment in larviculture : a case study with turbot Scophthalmus maximus

M CHAIRMarleen DehasquePatrick SorgeloosH NEUSAndreas De Leenheer

A2 Journal Article in JOURNAL OF THE WORLD AQUACULTURE SOCIETY

Live food mediated vitamin C transfer to Dicentrarchus labrax and Clarias gariepinus

Greet MerchiePatrick LavensPhilippe DhertR PectorAF Mai SoniHans NelisFrans OllevierAndreas De LeenheerPatrick Sorgeloos

A1 Journal Article in JOURNAL OF APPLIED ICHTHYOLOGY-ZEITSCHRIFT FUR ANGEWANDTE ICHTHYOLOGIE

Novel perfluoroacyl derivatives of corticosteroids and related substances for potential use in quantitative gas chromatography mass spectrometry

Dietmar StöcklLinda ThienpontVeronique De BrabandereAndreas De Leenheer

A1 Journal Article in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY

Op weg naar een geïntegreerd drugbeleid in België? = Vers une politique intégrée en matière de drogues en Belgique?

Brice De RuyverGert VermeulenAndreas De LeenheerG Waillet

Renal toxicity associated with the use of Chinese herbs during a slimming regimen: botanical identification of the dried roots of Stephania tetrandra, Aristolochia fangchi, and Aristolochia debilis

Marc Van Den HeedeAndreas De Leenheer

Screening, identification, and quantification of benzodiazepines in postmortem samples by HPLC with photodiode array detection

Willy LambertEvelyne MeyerY XUEPINGAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Systematic toxicological analysis of basic drugs by gradient elution of an alumina-based HPLC packing material under alkaline conditions

Willy LambertEvelyne MeyerAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

Three routine methods for serum cortisol evaluated by comparison with an isotope dilution gas chromatography-mass spectrometry method

Veronique De BrabandereLinda ThienpontDietmar StöcklAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Variation of ascorbic acid content in different live food organisms

Greet MerchiePatrick LavensPhilippe DhertMarleen DehasqueHans NelisAndreas De LeenheerPatrick Sorgeloos

A1 Journal Article in AQUACULTURE

α-Phenylethylamine identified in judicial samples

Evelyne MeyerJan Van BocxlaerWilly LambertLinda ThienpontAndreas De Leenheer

A1 Journal Article in FORENSIC SCIENCE INTERNATIONAL

1994

A fatal case of trazodone and dothiepin poisoning : toxicological findings

Willy LambertJan Van BocxlaerMichel PietteAndreas De Leenheer

A1 Journal Article in JOURNAL OF ANALYTICAL TOXICOLOGY

A fatal case of trazodone and dothiepin poisoning : toxicological findings

Willy LambertJan Van BocxlaerM PietteAndreas De Leenheer

Bookchapter in Contributions to Forensic Toxicology

An oral challenge for turbot larvae with Vibrio anguillarum

M ChairMarleen DehasqueStefan Van PouckeHans NelisPatrick SorgeloosAndreas De Leenheer

A2 Journal Article in AQUACULTURE INTERNATIONAL

Candidate reference method for determining serum theophylline applied to target-setting in external quality assessment and routine method evaluation

Linda ThienpontB VANNIEUWENHOVEDietmar StöcklAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Determination of creatinine in human serum using isocratic HPLC with an aluminium oxide stationary phase

KG VANLANDUYTLinda ThienpontAndreas De LeenheerDietmar Stöckl

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Determination of embutramide in biological matrices by gas chromatography with nitrogen-phosphorus detection

JZ HUOJan Van BocxlaerWilly LambertAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY B-BIOMEDICAL APPLICATIONS

Development of a new method for the determination of thyroxine in serum based on isotope dilution gas chromatography mass spectrometry

Linda ThienpontVeronique De BrabandereDietmar StöcklAndreas De Leenheer

A1 Journal Article in BIOLOGICAL MASS SPECTROMETRY

Drugbeleid 2000 = Gestion des Drogues en 2000

Brice De RuyverAndreas De Leenheer

Pharmacokinetics of acitretin

Willy LambertEvelyne MeyerAndreas De LeenheerJean DebersaquesAndré Kint

A1 Journal Article in ACTA DERMATO-VENEREOLOGICA

Proposal for the Establishment of a European Steroid Reference System for the Medical Laboratory

Linda ThienpontAndreas De Leenheer

A4 Journal Article in Newsletters, 9

Simultaneous determination of endogenous retinoic acid isomers and retinol in human plasma by isocratic normal-phase HPLC with ultraviolet detection

Evelyne MeyerWilly LambertAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Solid-phase extraction of ascorbic acid 2-sulfate from cysts of the brine shrimp Artemia franciscana

Hans NelisGreet MerchiePatrick LavensPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Standardization of reagents and methods used in cytological and histological practice with emphasis on dyes, stains and chromogenic reagents

HO LYONAndreas De LeenheerRW HOROBINWilly LambertEKW SCHULTEB VANLIEDEKERKEDH WITTEKIND

A1 Journal Article in HISTOCHEMICAL JOURNAL

Use of cyclodextrins for prepurification of progesterone and testosterone from human serum prior to determination with isotope dilution gas chromatography/mass spectrometry

Linda ThienpontVeronique De BrabandereDietmar StöcklAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

1993

Analytical determination of cis- and trans acitretin (Ro 13-7652 and Ro 10-1670) and of etretinate (Ro 10-9359) in plasma samples from study HL41 : bioanalytical report

Willy LambertAndreas De LeenheerR Wyss

Aspects of DNA fingerprinting

Elfrida Van Den EeckhoutAndreas De Leenheer

Between-country comparability of clinical chemistry results : an international quality assessment survey of 17 analytes in six European countries through existing national schemes

RTP JANSENDG BULLOCKA VASSAULTH BAADENHUIJSENAndreas De LeenheerG DUMONTCH DEVERDIERR ZENDER

A1 Journal Article in ANNALS OF CLINICAL BIOCHEMISTRY

Candidate reference methods for determining target values for cholesterol, creatinine, uric acid, and glucose in external quality assessment and internal accuracy control : II. Method transfer

Linda ThienpontAndreas De LeenheerDietmar StöcklH REINAUER

A1 Journal Article in CLINICAL CHEMISTRY

Chromatography of retinoids

Andreas De LeenheerWilly LambertEvelyne Meyer

Bookchapter in Retinoids : Progress in Research and Clinical Applications

Evaluation of [11C]thymidine for measurement of cell proliferation in fast dividing tissues

Els PoupeyePatrick GoethalsRichard DamsAndreas De LeenheerMarc Van Eijkeren

A1 Journal Article in NUCLEAR MEDICINE AND BIOLOGY

Lipophilic vitamins

Andreas De LeenheerHans NelisWilly Lambert

Bookchapter in Handbook of Chromatography : Analysis of Lipids

Relation of cis-trans isomers of carotenoids to developmental processes

Hans NelisPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in METHODS IN ENZYMOLOGY

Skin, adipose tissue and plasma levels of acitretin with rare occurrence of esterified acitretin during long-term treatment

Evelyne MeyerJean DebersaquesWilly LambertAndreas De LeenheerAndré Kint

A1 Journal Article in ACTA DERMATO-VENEREOLOGICA

Solid-phase extraction technique for gas-chromatographic profiling of acylcarnitines

Jan Van BocxlaerAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

1992

Applications of isotope dilution‐mass spectrometry in clinical chemistry, pharmacokinetics, and toxicology

Andreas De LeenheerLinda Thienpont

A1 Journal Article in MASS SPECTROMETRY REVIEWS

Aspects of the capillary GC analysis of all-trans- and 13-cis-acitretin

Evelyne MeyerAndreas De LeenheerPatrick Sandra

A1 Journal Article in HRC-JOURNAL OF HIGH RESOLUTION CHROMATOGRAPHY

Assessment of the accuracy of routine assays for the determination of steroid hormones and thyroxine in serum against isotope dilution-mass spectrometry target values

Dietmar StöcklH ReinauerLinda ThienpontAndreas De Leenheer

A2 Journal Article in COMMUNICATIONS IN LABORATORY MEDICINE

Assessment of the accuracy of routine assays for the determination of steroid hormones in serum by comparison with isotope dilution-gas chromatography-mass spectrometry (ID-GCMS) target values

Dietmar StöcklH ReinauerLinda ThienpontAndreas De Leenheer

DYE STANDARDS .1. TERMINOLOGY AND GENERAL-PRINCIPLES.

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.1. PYRONIN-Y (CI-45005).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.2. METHYL GREEN (CI 42585) AND ETHYL GREEN (CI-42590).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.3. THIONIN (CI-52000).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.4. VICTORIA BLUE-B (CI-44045).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.5. PARAROSANILINE (CI-42500).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.6. ROSANILINE (CI-42510).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.7. MAGENTA-II (NO CI NUMBER).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

DYE STANDARDS .2.8. NEW FUCHSIN (CI-42520).

H LYONE SCHULTEAndreas De LeenheerS LEWISV FRIEMERTC STRUCKD GADSDONR ALLISONU BRUNKB VANLIEDERKERKE et al.

A1 Journal Article in HISTOCHEMICAL JOURNAL

Enzymatic sample hydrolysis and HPLC in a study of phylloquinone concentration in human milk

Willy LambertL VANNESTEAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Etretinate in acitrelin-treated psoriatic patients

Evelyne MeyerWilly LambertAndreas De LeenheerJean DebersaquesA Kint

Etretinate in acitretin-treated psoriatic patients

Evelyne MeyerWilly LambertAndreas De LeenheerJean DebersaquesA Kint

Gas chromatographic/mass spectrometric identification of 3-hydroxydicarboxylic acids in urine

BJ VerhaegheJan Van BocxlaerAndreas De Leenheer

A1 Journal Article in BIOLOGICAL MASS SPECTROMETRY

Isotope Dilution - Gas Chromatography - Mass Spectrometry (ID - GCMS) as Reference Methodology for the Determination of Steroid Hormones in Serum

Linda ThienpontAndreas De LeenheerDietmar StöcklH REINAUER

Liquid chromatographic determination of amoxicillin concentrations in bovine plasma by using a tandem solid-phase extraction method

Hans NelisJ VANDENBRANDENAart de KruifAndreas De Leenheer

A1 Journal Article in ANTIMICROBIAL AGENTS AND CHEMOTHERAPY

Liquid chromatographic determination of ampicillin in bovine and dog plasma by using a tandem solid-phase extraction method

Hans NelisJ VANDENBRANDENB VERHAEGHEAart de KruifDaniël MattheeuwsAndreas De Leenheer

A1 Journal Article in ANTIMICROBIAL AGENTS AND CHEMOTHERAPY

Liquid chromatographic determination of oxytetracycline in bovine plasma by double-phase extraction

Hans NelisJ VANDENBRANDENAart de KruifFrans BelpaireAndreas De Leenheer

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Liquid Chromatographie determination of oxytetracycline in bovine plasma by double phase extraction.

Hans NelisAndreas De Leenheer

A2 Journal Article in J. Pharm. Sei.

Live-food mediated drug delivery as a tool for disease treatment in larviculture : the enrichment of therapeutics in rotifers and Artemia nauplii

Rini VerpraetMohammed ChairPhilipe LégerHans NelisPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in AQUACULTURAL ENGINEERING

Meprobamate intoxication : rare and difficult to find

Willy LambertAndreas De LeenheerJan Van BocxlaerMichel Piette

A1 Journal Article in JOURNAL OF TOXICOLOGY - CLINICAL TOXICOLOGY

Methodological aspects of isotope dilution-mass spectrometry used as a basis of accuracy assessment in clinical chemistry

Linda ThienpontAndreas De Leenheer

Modern chromatographic analysis of vitamins

Andreas De LeenheerWilly Lambert

Pharmacokinetics and drug interactions

Willy LambertEvelyne MeyerAndreas De LeenheerJean DebersaquesA Kint

Pharmacokinetics and drug interactions of etretinate and acitretin

Willy LambertEvelyne MeyerAndreas De LeenheerJean DebersaquesAndré Kint

A1 Journal Article in JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY

Pharmacokinetics and safety of a new solution of vitamin K1(20) in children with cholesiasis

O AMEDEEMANESMEWilly LambertD ALAGILLEAndreas De Leenheer

A1 Journal Article in JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION

Production of astaxanlhin by the green microalga Chlorella zofingiensis

Hans NelisAndreas De Leenheer

Profiling and quantitation of carotenoids by high-performance liquid chromatography and photodiode array detection

Andreas De LeenheerHans Nelis

A1 Journal Article in METHODS IN ENZYMOLOGY

Quantitative biomedical mass spectrometry

Andreas De LeenheerLinda Thienpont

A1 Journal Article in INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES

Quantitative Biomédical Mass Spectrometry

Andreas De LeenheerLinda Thienpont

Quantitative determination of water-soluble vitamins using HPLC

Willy LambertAndreas De Leenheer

Bookchapter in Food analysis by HPLC

Quantitative mass spectrometry

Andreas De LeenheerLinda Thienpont

Bookchapter in Advances in Mass Spectrometry

Recent developments in the measurement of vitamin A and carotenoids

Andreas De LeenheerHans NelisWilly Lambert

A4 Journal Article in VOEDING ('S-GRAVENHAGE)

Standardization of dyes and stains

Andreas De LeenheerB Van LiedekerkeWilly Lambert

The additional certification of magnesium (II) and lithium (I) in the lyophilized serum materials CRM 303 and CRM 304

Linda ThienpontAndreas De LeenheerE COLINETC DIRSCHERL

The distribution of cis and trans-acitretin in human epidermis

Evelyne MeyerWilly LambertAndreas De LeenheerJean DebersaquesAndré Kint

A1 Journal Article in BRITISH JOURNAL OF CLINICAL PHARMACOLOGY

Trans-acitretin, pharmacokinelics in human epidermis

Jean DebersaquesEvelyne MeyerWilly LambertAndreas De LeenheerA Kint

G FaulerW MunteanHJ Leis

Bookchapter in Modern chromatographic analysis of vitamins

1991

Determination of aldosterone in human serum by isotope dilution gas chromatography/mass spectrometry using a new heptafluorobutyryl derivative

Dietmar StöcklHans ReinauerLinda ThienpontAndreas De Leenheer

A1 Journal Article in BIOLOGICAL MASS SPECTROMETRY

Development, validation, and certification by isotope dilution gas chromatography-mass spectrometry of lyophilized human serum reference materials for cortisol (CRM 192 and 193) and progesterone (CRM 347 and 348)

Linda ThienpontL SiekmannA LawsonE ColinetAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

General analytical approaches for quantitation of retinoids in biosamples

Willy LambertEvelyne MeyerAndreas De LeenheerJean DebersaquesA Kint

Guest editorial to the papers presented at the 8th International Symposium of Mass Spectrometry in Life Sciences

Linda ThienpontAndreas De Leenheer

Het eosinofilie-myalgie syndroom

Jean NaeyaertC CuelenaereE MeyerD PlatevoetAndreas De LeenheerJean DebersaquesAndré Kint

A2 Journal Article in TIJDSCHRIFT VOOR GENEESKUNDE

High-performance thin-layer chromatographic analysis of thiazine dyes on silica, cyano, and reversed-phase C18 layers

BM Van LiedekerkeAndreas De LeenheerBart De Spiegeleer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Improved quantitation of 13-cis- and all-trans-acitretin in human plasma by normal-phase high-performance liquid chromatography

Evelyne MeyerWilly LambertAndreas De LeenheerJean DebersaquesAndré Kint

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS

Increased concentrations of endogenous 13-cis- and all-trans-retinoic acids in diffuse idiopathic skeletal hyperostosis, as demonstrated by HPLC

B PERIQUETWilly LambertJ GARCIAG LECOMTEAndreas De LeenheerB MAZIERESJ THOUVENOTJ ARLET

A1 Journal Article in CLINICA CHIMICA ACTA

Lipophilic vitamins

Andreas De LeenheerWilly LambertHans Nelis

Bookchapter in Handbook of Thin-layer Chromatography

Liquid chromatographic determination of efficacy of incorporation of trimethoprim and sulfamelhoxazole in brine shrimp (Anemia spp) used for prophylactic chemotherapy of fish

Hans NelisF LegerPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in ANTIMICROBIAL AGENTS AND CHEMOTHERAPY

Management of chemical warfare injuries

TH FouynD LisonM WoutersRL MaynardTJ MeredithTC MarrsJA ValeJL WillemsAndreas De LeenheerHC De Bisschop

A1 Journal Article in LANCET

Microbial sources of carotenoid pigments used in foods and feeds

Hans NelisAndreas De Leenheer

A1 Journal Article in JOURNAL OF APPLIED BACTERIOLOGY

Preparation of 6-hydroxy, 6-oxo and 6-dehydro steroids by Incubation of Corresponding 3a-hydroxy-5-ene-steroids with Helix Pomatia Extract

E VANLUCHENEDirk VandekerckhoveR DE SAGHERG DE BRUYCKERECarlos Van PeteghemAndreas De LeenheerW EECHAUTE

Quality control of albumin solutions by size-exclusion high-performance liquid chromatography, isoelectric focusing, and two-dimensional immunoelectrophoresis

Beatrijs M Van LiedekerkeHans NelisJos A KintFrank W VannesteAndreas De Leenheer

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Recent findings on the pharmacokinetics of acitretin in humans

Willy LambertEvelyne MeyerAndreas De LeenheerJ DEBERSAQUESA KINT

Stability study of azure B, eosin Y and commercial Romanowsky Giemsa stock solutions using high performance liquid chromatography

BM Van LiedekerkeHans NelisDH WittekindAndreas De Leenheer

A1 Journal Article in HISTOCHEMICAL JOURNAL

The impact of nandrolone metabolites, occuring normally in male urines on the cut-off level stipulated for nandrolone doping

G De BruyckereRoland De SagherAndreas De LeenheerC Van Peteghem

Bookchapter in Proceedings of the 4th Symposium on the Analysis of Steroids

The preparation of 6-hydroxy, 6-oxo and 6 dehydrosteroids by incubation of 3 ß-hydroxy-S-ene-Stcroids with Helix pomatia extract

E VanlucheneDirk VandekerckhoveRoland De SagherGreet DebruyckereC Van PeteghemAndreas De LeenheerW Eeckautte

Lecture / Speech

Trans-acitretin pharmacokinetics in human epidermis

W MeyerE LambertJean DebersaquesAndreas De LeenheerA Kint

1990

Analysis of xanthene dyes by reversed-phase high-performance liquid chromatography on a polymeric column followed by characterization with a diode array detector

Beatrijs M Van LiedekerkeAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS

Artifacts in Steroid Determinations Originating from Hydrolysis with Helix Pomatia Extracts

E VANLUCHENEDirk VandekerckhoveW EECHAUTEGreet DebruyckereR DE SAGHERCarlos Van PeteghemAndreas De Leenheer

Biodistribution of [77Br]-5-bromo-2-deoxyuridine in rats

Els PoupeyePatrick GoethalsM CoeneM Van EykerenAndreas De Leenheer

A1 Journal Article in NUCLEOSIDES & NUCLEOTIDES

Communication of the association of diagnostics and diagnostic instruments manufacturers : letter to the editor

Linda ThienpontAndreas De Leenheer

A1 Journal Article in LABORATORY MEDICINE

Comparison of cyclosporin A measurement in whole blood by 6 different methods

B Tjandra-MagaR VerbesseltS ScharpéR VerkerkWilly LambertB Van LiedekerkeAndreas De Leenheer

A1 Journal Article in JOURNAL OF CLINICAL CHEMISTRY AND CLINICAL BIOCHEMISTRY

High-performance liquid chromatographic determination of etretinate and all-trans- and 13-cis-acitretin in human plasma

Andreas De LeenheerWilly LambertJP De BersaquesAndré Kint

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

High-performance liquid chromatography of retinoids in blood

Andreas De LeenheerHans Nelis

A1 Journal Article in METHODS IN ENZYMOLOGY

Liquid chromatographic determination of 2-thioxothiazolidine-4-carboxylic acid isolated from urine by affinity chromatography on organomercurial agarose gel

Linda ThienpontGC DepourcqHans NelisAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Mass spectrometry of methyl ester of retinoic acid

Andreas De LeenheerWilly Lambert

A1 Journal Article in METHODS IN ENZYMOLOGY

Persistent etretinate levels in plasma after changing the therapy to acitretin

Willy LambertAndreas De LeenheerJP De BersaquesAndré Kint

A1 Journal Article in ARCHIVES OF DERMATOLOGICAL RESEARCH

1989

Application of fast atom bombardment and tandem mass spectrometry for the analysis of azure dyes

W BaetenJ ClaereboudtM ClaeysBM Van LiedekerkeAndreas De Leenheer

A2 Journal Article in SPECTROSCOPY-AN INTERNATIONAL JOURNAL

Carotenoids in relation to Artemia development

Hans NelisPatrick LavensL MoensPatrick SorgeloosAndreas De Leenheer

Bookchapter in Biochemistry and Cell Biology of Artemia

Comparison of the pharmacokinetics of acitretin (RO 10-1670) in young and elderly subjects

Willy LambertJ De BersaquesCJ BrindleyU WiegandAndreas De Leenheer

Bookchapter in Pharmacology of Retinoids in the Skin

Determination of pipecolic acid in serum or plasma by solid-phase extraction and isotope dilution mass spectrometry

Jan Van BocxlaerBJ VerhaegheAE WautersWD De MarezLinda ThienpontAndreas De Leenheer

A1 Journal Article in BIOMEDICAL AND ENVIRONMENTAL MASS SPECTROMETRY

Effect of diet on the photoperiodic induction of diapause in three species of predatory mite, Amblyseius potentillae, A. cucumeris and Typhlodromus pyri

WPJ OvermeerHans NelisAndreas De LeenheerJNM CalisA Veerman

A1 Journal Article in EXPERIMENTAL & APPLIED ACAROLOGY

High-performance liquid chromatography of quaternary ammonium compounds on a polystyrene-divinylbenzene column

BM Van LiedekerkeHans NelisWilly LambertAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Metabolic profiling of urinary organic acids by single and multicolumn capillary gas chromatography

MF LefevereBJ VerhaegheDH DeclerckJan Van BocxlaerAndreas De LeenheerRM De Sagher

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Microbial production of carotenoids other than β-carotene

Hans NelisAndreas De Leenheer

Bookchapter in Biotechnology of Vitamins, Pigments and Growth Factors

PROCEEDINGS OF THE 7TH INTERNATIONAL-SYMPOSIUM ON MASS-SPECTROMETRY IN LIFE SCIENCES, GHENT, BELGIUM, 1988

Linda ThienpontAndreas De Leenheer

Editorial material

Profiling and quantitation of bacterial carotenoids by liquid chromatography and photodiode array detection

Hans NelisAndreas De Leenheer

A1 Journal Article in APPLIED AND ENVIRONMENTAL MICROBIOLOGY

Reinvestigation of Brevibacterium sp. strain KY-4313 as a source of canthaxanthin

Hans NelisAndreas De Leenheer

A1 Journal Article in APPLIED AND ENVIRONMENTAL MICROBIOLOGY

Serum phylloquinone concentrations in a normal population of children as compared with the reference interval in adults

Willy LambertL VannesteAndreas De LeenheerO Amedeemanesme

A1 Journal Article in CLINICAL CHEMISTRY

Simultaneous determination of pentoxifylline and three metabolites in biological fluids by liquid chromatography

Willy LambertMA YousoufBM Van LiedekerkeJE De RooseAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Synthesis of 11C-labelled thymidine for tumor visualization using positron emission tomography

Els PoupeyeRE CounsellAndreas De LeenheerGuido SlegersPatrick Goethals

A1 Journal Article in APPLIED RADIATION AND ISOTOPES

The certification of progesterone in two lyophilized serum materials CRM 347 and CRM 348 : reference materials report

Linda ThienpontAndreas De LeenheerL SiekmannES Colinet

1988

Automated profiling of urinary organic acids by dual-column gas chromatography and gas chromatography/mass spectrometry

MF LefevereBJ VerhaegheDM DeclerckAndreas De Leenheer

A1 Journal Article in BIOMEDICAL AND ENVIRONMENTAL MASS SPECTROMETRY

Chicken egg yolk and rabbit serum compared as sources of antibody for radioimmunoassay of 1,25-dihydroxyvitamin D in serum or plasma

RM BauwensMP DevosJA KintAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Chromatography of fat-soluble vitamins in clinical chemistry

Andreas De LeenheerHans NelisWilly LambertRita M Bauwens

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS

Cis- and trans-canthaxanthin levels in Artemia cysts of different geographical origin

Hans NelisPatrick LavensPatrick SorgeloosMarleen Van SteenbergeAndreas De Leenheer

Bookchapter in Artemia Research and its Applications

Determination of ecdysteroids during the moult cycle of adult Artemia

HR WalgraeveGodelieve CrielPatrick SorgeloosAndreas De Leenheer

A1 Journal Article in JOURNAL OF INSECT PHYSIOLOGY

Estradiol-17-beta quantified in serum by isotope dilution-gas chromatography mass-spectrometry : reversed-phase C18 high-performance liquid chromatography compared with immuno-affinity chromatography for sample pretreatment

Linda ThienpontPG VerhaegheKA Van BrusselAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Fatty acid composition and kinetic behaviour of liver retinyl esters in vitamin A sufficient and deficient rats

B PériquetWilly LambertA BaillyI TomatisJ GhisolfiAndreas De LeenheerJP Thouvenot

A1 Journal Article in CLINICA CHIMICA ACTA

Monitoring of cyclosporin in whole blood by reversed-phase liquid chromatography on a butyl column

Willy LambertAndreas De LeenheerHR WalgraeveW Tassaneeyakul

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS

Plasma concentrations of vitamin K1 and PIVKA-II in bottle-fed and breast-fed infants with and without vitamin K prophylaxis at birth

J WiddershovenL MonnensWilly LambertAndreas De LeenheerK MotoharaI Matsuda

Bookchapter in Vitamins and Minerals in Pregnancy and Lactation (Nestle Nutrition Workshop Series, Vol. 16)

Plasma concentrations of vitamin K1 and PIVKA-II in bottle-fed and breast-fed infants with and without vitamin K prophylaxis at birth

J WiddershovenWilly LambertK MotoharaL MonnensAndreas De LeenheerI MatsudaF Endo

A1 Journal Article in EUROPEAN JOURNAL OF PEDIATRICS

Qualitative and quantitative changes in the carotenoids during development of the brine shrimp Artemia

Hans NelisPatrick LavensMMZ Van SteenbergePatrick SorgeloosGodelieve CrielAndreas De Leenheer

A1 Journal Article in JOURNAL OF LIPID RESEARCH

Reversed-phase liquid chromatography of astacene

Hans NelisAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Solid-phase extraction with strong anion-exchange columns for selective isolation and concentration of urinary organic acids

BJ VerhaegheMF LefevereAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Study of vitamin K1(20) in the newborn by HPLC with wet-chemical post-column reduction and fluorescence detection

Willy LambertAndreas De LeenheerW TassaneeyakulJ Widdershoven

Bookchapter in Current Advances in Vitamin K Research

1987

A modified statistical approach for the detection of outlying values in external quality-control : comparison with other techniques

Linda ThienpontHerman SteyaertAndreas De Leenheer

A1 Journal Article in CLINICA CHIMICA ACTA

Measurement of tulobuterol in human plasma by capillary gas chromatography and selected ion monitoring detection

Linda ThienpontPG VerhaegheAndreas De Leenheer

A1 Journal Article in BIOMEDICAL AND ENVIRONMENTAL MASS SPECTROMETRY

Production of rhodobacter capsulatus ATCC 23782 with short residence time in a continuous-flow photobioreactor

K DriessensJ LiessensS MasdukiWilly VerstraeteHans NelisAndreas De Leenheer

A1 Journal Article in PROCESS BIOCHEMISTRY

Production, purification and characterization of antibodies to 1,25-dihydroxyvitamin D raised in chicken egg yolk

RM BauwensJA KintMP DevosKA Van BrusselAndreas De Leenheer

A1 Journal Article in CLINICA CHIMICA ACTA

Quantification of diethylstilbestrol residues in meat samples by gas chromatography-isotope-dilution mass spectrometry

Carlos Van PeteghemMarc F LefevereGustaaf M Van HaverAndreas De Leenheer

A1 Journal Article in JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

Simplified post-column reduction and fluorescence detection for the high-performance liquid chromatographic determination of vitamin K1(20)

Willy LambertAndreas De Leenheer

A1 Journal Article in ANALYTICA CHIMICA ACTA

1986

Bioanalytical mass-spectrometry as applied to organic-acid profiling and steroid reference methodology

Andreas De LeenheerM LefevereLinda Thienpont

A1 Journal Article in JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Characterization of two metabolites of prethcamide by gas chromatography and mass spectrometry

Frans DelbekeM DebackereJAA JonckheereAndreas De Leenheer

A1 Journal Article in BIOPHARMACEUTICS & DRUG DISPOSITION

Comparison of three separation systems for the radioimmunoassay of ecdysteroids in Artemia (Crustacea : Branchiopoda)

Hilde WalgraeveEddy Van BeekGodelieve CrielKristien Van BrusselAndreas De Leenheer

A1 Journal Article in INSECT BIOCHEMISTRY

Comparison of three separation systems for the radioimmunoassay of ecdysteroids in artemia (crustacea : Branchiopoda)

H WalgraeveE Van BeekG CrielK Van BrusselAndreas De Leenheer

Bookchapter in Ecdysone : from Metabolism to Regulation of Gene Expression

Determination of vitamin K in serum using HPLC with post-column reaction and fluorescence detection

WE LambertAndreas De LeenheerMF Lefevere

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Profiel van de laboratoria voor Medische Biochemie en voor Klinische Analyse

Linda ThienpontHans NelisWilly LambertMF LefevereRM BauwensAndreas De Leenheer

Quality control of azure B preparations by liquid chromatography and standardization with azure B tetrafluoroborate

Hans NelisAndreas De Leenheer

A1 Journal Article in CLINICA CHIMICA ACTA

Quantitative determination of low concentrations of adriamycin in plasma and cell cultures, using a volatile extraction buffer

MA Van LanckerLA BellemansAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Selectivity effects in non-aqueous reversed-phase and normal-phase chromatography of geometric canthaxanthin isomers

Hans NelisMMZ Van SteenbergeMF LefevereAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

The certification of total calcium in two lyophilized serum materials CRM No 303 and 304

Andreas De LeenheerWB YeomanES Colinet

Wet-chemical postcolumn reaction and fluorescence detection analysis of the reference interval of endogenous serum vitamin K1(20)

Willy LambertAndreas De LeenheerEddy J Baert

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

1985

A MODIFIED STATISTICAL-METHOD FOR THE DETECTION OF OUTLYING VALUES IN EXTERNAL QUALITY-CONTROL - COMPARISON WITH OTHER TECHNIQUES

Linda ThienpontAndreas De LeenheerHC STEYAERT

Chromatographic determination of N-acetyl-dl-tryptophan and octanoic acid in human albumin solutions

Hans NelisMarc F LefevereEddy BaertWim D'HooreAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Comparison of a cytosol radioreceptor assay with a radioimmunoassay for 1,25-dihydroxyvitamin D in serum or plasma

Andreas De LeenheerRita M Bauwens

A1 Journal Article in CLINICA CHIMICA ACTA

Demonstration of retinoic acid isomers in human urine under physiological conditions

Willy LambertAndreas De Leenheer

A1 Journal Article in EXPERIENTIA

Development and evaluation of a radioimmunoassay for Arg8-vasopressin, after extraction with Sep-Pak C18

KA Ysewijn-Van BrusselAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Glass capillary GLC of nucleosides

CF GelijkensAndreas De LeenheerPatrick Sandra

Bookchapter in Glass Capillary Chromatography in Clinical Medicine and Pharmacology

Human serum levels of the arotinoid Ro 13-6298 by GC-MS1

Willy LambertJ. De BersaquesM. LefevereH CattoirAndreas De Leenheer

Bookchapter in Retinoids : new trends in research and therapy (Retinoid Symposium, Geneva, September 1984)

Isotope-dilution mass spectrometry in clinical chemistry

Andreas De LeenheerMF LefevereWilly LambertES Colinet

Bookchapter in Advances in Clinical Chemistry

Liquid-chromatographic measurement of riboflavin in serum and urine with isoriboflavin as internal standard

Willy LambertPM CammaertAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Measurement of propericiazine in plasma by capillary gas chromatography and selected ion monitoring detection

Andreas De LeenheerJozef A JonckheereMarc F LefevereMarc E De BroeGert A Verpooten

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Modern chromatographic analysis of the vitamins

Andreas De LeenheerWilly LambertMG De Ruyter

Radioimmunoassay for 1,25-dihydroxyvitamin D in serum or plasma

Andreas De LeenheerRM Bauwens

A1 Journal Article in CLINICAL CHEMISTRY

Remote-controlled, photosynthetic preparation of HPLC-purified [11C]glucose

Hugo DenutteGuido SlegersPatrick GoethalsC Van De CasteeleAndreas De Leenheer

A1 Journal Article in INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES

Vitamin A : retinol, carotenoids, and related compounds

Willy LambertHans NelisMarcel GM De RuyterAndreas De Leenheer

Bookchapter in Modern Chromatographic Analysis of the Vitamins

Vitamin E : tocopherols and tocotrienols

Hans NelisVO De BevereAndreas De Leenheer

Bookchapter in Modern Chromatographic Analysis of the Vitamins

Vitamin K : phylloquinone and menaquinones

MF LefevereAE ClaeysAndreas De Leenheer

Bookchapter in Modern Chromatographic Analysis of the Vitamins

1984

cis-Canthaxanthins : unusual carotenoids in the eggs and the reproductive system of female brine shrimp Artemia

Hans NelisPatrick LavensLuc MoensPatrick SorgeloosJozef A JonckheereGodelieve CrielAndreas De Leenheer

A1 Journal Article in JOURNAL OF BIOLOGICAL CHEMISTRY

Computerization of a medium-size clinical laboratory in Belgium

Andreas De LeenheerJA JonckheereH Steyaert

Bookchapter in Computerization and Automation in Health Facilities

External quality assessment of laboratory performance in haematology in Belgium : analysis of two and a half years' experience

Andreas De LeenheerLinda Thienpont

A1 Journal Article in CLINICA CHIMICA ACTA

RIA for plasma AVP : development and application to physiological states

K Van BrussellAndreas De LeenheerNorbert Lameire

A1 Journal Article in CLINICAL AND EXPERIMENTAL HYPERTENSION PART A-THEORY AND PRACTICE

Synthesis of hexadeuterated diethylstilbestrol (E-3,4-di-(4-hydroxyphenyl)hex-3-ene-1,1,1,6,6,6-2H(6))

Pierre De ClercqCarlos Van PeteghemJA JonckheereAndreas De Leenheer

A1 Journal Article in JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS

1983

Candidate definitive method for the determination of cortisol in human serum

JA JonckheereAndreas De Leenheer

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Evaluation of an iodination procedure for arg8-vasopressin

KARN Ysewijn-van BrusselAC Van SteirteghemAndreas De Leenheer

A1 Journal Article in JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS

External quality-control of clinical-chemistry laboratories in Belgium

Andreas De LeenheerHerman SteyaertLinda ThienpontJA Jonckheere

A1 Journal Article in CLINICA CHIMICA ACTA

Improved liquid chromatographic determination of serum cortisol with double internal standardization compared to radioimmunoassay and fluorometry, and evaluated by isotope dilution/mass spectrometry

Willy LambertJean-Paul M De SlypereJoseph A JonckheereAlex VermeulenAndreas De Leenheer

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Isocratic nonaqueous reversed-phase liquid chromatography of carotenoids

Hans NelisAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Nonaqueous reversed-phase liquid chromatography and fluorimetry compared for determination of retinol in serum

Hans NelisJ De RooseH VandenbavièreAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Pentafluorobenzoyl derivatives of doping agents : I. Extractive benzoylation and gas chromatography with electron-capture detection of primary and secondary amines

Frans DelbekeM DebackereJAA JonckheereAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Quantitative gas chromatographic mass spectrometric determination of pinaverium-bromide in human serum

GA De WeerdtRP BekeHG VerdievelF BarbierJA JonckheereAndreas De Leenheer

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Quantitative mass spectrometry in biomedicine

Andreas De LeenheerJA JonckheereCF Gelijkens

Bookchapter in Mass Spectrometry Advances 1982, Parts A and B

Reversed-phase ion-pair chromatography of anthracyclines

MA VanlanckerHans NelisAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Statistical evaluation of calibration curve nonlinearity in isotope dilution gas chromatography/mass spectrometry

Jozef A JonckheereAndreas De LeenheerHerman Steyaert

A1 Journal Article in ANALYTICAL CHEMISTRY

STATISTICAL-METHOD COMPARISON APPROACH FROM EXTERNAL QUALITY-CONTROL DATA

Linda ThienpontAndreas De LeenheerHC STEYAERT

Steroid profiles of body fluids other than urine obtained by capillary gas chromatography

E Van LucheneD VandekerckhoveJ JonckheereAndreas De Leenheer

Bookchapter in Proceedings of the Fifth International Symposium on Capillary Chromatography

Steroid profiles of body fluids other than urine, obtained by capillary gas chromatography

E VanlucheneDirk VandekerckhoveJ JonckheereAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

The production in high yield of N′-(4-[11C]methyl)-imipramine

Hugo DenuttePatrick GoethalsHarry CattoirMarc BogaertTony VandewalleCarlo VandecasteeleJozef JonckheereAndreas De Leenheer

A1 Journal Article in JOURNAL OF NUCLEAR MEDICINE

1982

All-trans-retinoic acid : measurement of reference values in human serum by high performance liquid chromatography

Andreas De LeenheerWilly LambertI Claeys

A1 Journal Article in JOURNAL OF LIPID RESEARCH

Doxycycline in serum by HPLC

Andreas De LeenheerHans Nelis

Bookchapter in Methodology for Analytical Toxicology, Vol. II

Metabolism of minocycline in humans

Hans NelisAndreas De Leenheer

A1 Journal Article in DRUG METABOLISM AND DISPOSITION

Multidimensional liquid chromatography : a breakthrough in the assessment of physiological vitamin K levels

MF LefevereAndreas De LeenheerAE ClaeysIV ClaeysHerman Steyaert

A1 Journal Article in JOURNAL OF LIPID RESEARCH

Nieuwe inzichten in het belang en het werkingsmechanisme van vetoplosbare vitaminen

Andreas De LeenheerHans Nelis

Bookchapter in Belgian Medical Year-Book 1982-1983

Quantitative mass spectrometry in biomedicine

Andreas De LeenheerJAA JonckheereCF Gelijkens

A1 Journal Article in INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PHYSICS

The preparation of 11C-labeled caffeine

HR DenutteT VandewalleHJ CattoirC VandecasteeleJA JonckheereGuido SlegersCF GelijkensAndreas De Leenheer

A1 Journal Article in JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS

Vitamin E levels in hemodialysis patients

VORC De BevereHans NelisAndreas De LeenheerWilly LambertM De PaepeSeverin Ringoir

A1 Journal Article in JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

1981

Development and evaluation of selected assays for drugs and drug metabolites in biological materials

Andreas De LeenheerHans Nelis

A1 Journal Article in ANALYST

Enkele spits-technieken in het klinisch chemisch laboratorium

Andreas De Leenheer

Bookchapter in Belgian Medical Year-Book 1981

Evidence for metabolic inertness of doxycycline

Hans NelisAndreas De Leenheer

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Kwantitatieve massaspectrometrie

JA JonckheereAndreas De Leenheer

A2 Journal Article in PARA MEDICA (WINTERSWIJK)

Plasma vitamin A in haemodialysis patients

VORC De BevereM De PaepeAndreas De LeenheerHans NelisWilly LambertAE ClaeysSeverin Ringoir

A1 Journal Article in CLINICA CHIMICA ACTA

Unique metabolic fate of a tetracycline (minocycline)

Hans NelisAndreas De Leenheer

A1 Journal Article in LANCET

1980

Analysis of fluorouracil in human plasma by combined gas-liquid chromatography mass spectrometry

Marie-Claire Cosyns-DuyckAnnie AM CruylAndreas De LeenheerAndré De SchryverJohn HuysFrans Belpaire

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Bioavailability of bromhexine in the horse

P De BackerLMR Vandecasteele-ThienpontJAA JonckheereFrans BelpaireM DebackereAndreas De Leenheer

A1 Journal Article in ZENTRALBLATT FUR VETERINARMEDIZIN REIHE A

Electron-capture GLC determination of bromhexine in human plasma

Andreas De LeenheerLMR Vandecasteele-Thienpont

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Gas chromatographic measurement of urinary 5-fluoro-2′-deoxyuridine levels after barium salt precipitation and sephadex LH-20 cleanup

Christian F GelijkensAndreas De Leenheer

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Gas-liquid chromatography of vitamin D and analogs

Andreas De LeenheerA.A.M. Cruyl

A2 Journal Article in METHODS IN ENZYMOLOGY

Identification and quantitation of 5-fluorouridine in rat urine after administration of 5-fluorouracil or 5-fluoro-2'-deoxyuridine

CF GelijkensPatrick SandraFrans BelpaireAndreas De Leenheer

A1 Journal Article in DRUG METABOLISM AND DISPOSITION

Kwaliteitscontrole in de klinische chemie

Andreas De Leenheer

Bookchapter in Belgian Medical Year-Book 1980

Kwantitatieve gaschromatografie-massaspectrometrie met stabiele isotopen

JA JonckheereAA CruylAndreas De Leenheer

A2 Journal Article in I.R.E. TIJDSCHRIFT

Liquid chromatographic estimation of doxycycline in human tissues

Hans NelisAndreas De Leenheer

A1 Journal Article in CLINICA CHIMICA ACTA

Measurement of 5-fluoro-2′-deoxyuridine serum levels by gas chromatography chemical ionization mass spectrometry

CF GelijkensAndreas De LeenheerPatrick Sandra

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Pharmacokinetics of bromhexine in the dog

LMR Vandecasteele-ThienpontFrans BelpaireRA BraeckmanAndreas De Leenheer

A1 Journal Article in ARZNEIMITTEL-FORSCHUNG/DRUG RESEARCH

Quantitative mass spectrometry

Andreas De LeenheerAA Cruyl

Bookchapter in Biochemical Applications of Mass Spectrometry : 1st Supplementary Volume

Retention mechanisms of tetracyclines on a C8 reversed-phase material

Hans NelisAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Retinol : predominant form of vitamin A in corpus luteum

Andreas De LeenheerMGM De Ruyter

A1 Journal Article in EXPERIENTIA

Reversed-phase liquid chromatography of 5-fluoro-uracil nucleosides and nucleotides in the presence of quaternary ammonium ions

CF GelijkensAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Selected ion monitoring assay for bromhexine in biological-fluids

JAA JonckheereLinda ThienpontAndreas De LeenheerPatrick De BackerMichel DebackereFrans Belpaire

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Simple method for isolating free urinary catecholamines by boric acid gel chromatography

CF GelijkensAndreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

1979

An 'extra' arylamidase isoenzyme band in the serum of a cancer patient

Andreas De LeenheerMG De RuyterJV Huys

A1 Journal Article in CLINICAL CHEMISTRY

Determination of bromhexine as its trifluoroacetyl derivative by gas-liquid chromatography with electron-capture detection

Andreas De LeenheerLMR Vandecasteele-Thienpont

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Doxycycline determination in human serum and urine by high-performance liquid chromatography

Andreas De LeenheerHans Nelis

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Effect of silver ions on the reversed phase high performance liquid chromatographic separation of retinyl esters

MGM De RuyterAndreas De Leenheer

A1 Journal Article in ANALYTICAL CHEMISTRY

Flame‐ionization GLC assay for fluorouracil in plasma of cancer patients

Andreas De LeenheerMC Cosyns‐Duyck

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Gas-liquid chromatography of some alkyl derivatives of 5-fluorouracil

Andreas De LeenheerMC Cosyns-Duyck

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

High-performance liquid chromatographic assay of vitamin K in human serum

MF LefevereAndreas De LeenheerAE Claeys

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Liquid chromatographic determination of minocycline in human serum

Andreas De LeenheerHans Nelis

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Measurement of alpha-, beta-, and gamma tocopherol in serum by liquid chromatography

Andreas De LeenheerVORC De BevereAE Claeys

A1 Journal Article in CLINICAL CHEMISTRY

Measurement of alpha-tocopherol, beta-tocopherol and gamma-tocopherol in serum by liquid chromatography

Andreas De LeenheerVORC De BevereAE Claeys

A1 Journal Article in CLINICAL CHEMISTRY

Retinoic acid : an endogenous compound of human blood : unequivocal demonstration of endogenous retinoic acid in normal physiological conditions

Marcel G De RuyterWilly LambertAndreas De Leenheer

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Simultaneous determination of retinol and α-tocopherol in human serum by high-performance liquid chromatography

Andreas De LeenheerVeerle ORC De BevereMarcel GM De RuyterAlbert E Claeys

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

1978

Determination of serum alpha-tocopherol (vitamin E) by high-performance liquid chromatography

Andreas De LeenheerVO De BevereAA CruylAE Claeys

A1 Journal Article in CLINICAL CHEMISTRY

GLC determination of floxuridine in plasma using a thermionic nitrogen detector

Andreas De LeenheerCF Gelijkens

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Mass fragmentographic determination of 5-fluorouracil (5-FU) in plasma

Andreas De LeenheerMC Cosyns-DuyckAA Cruyl

Bookchapter in Quantitative Mass Spectrometry in Life Sciences II

Quantification of 5-fluorouridine in human urine by capillary gas-liquid chromatography with a nitrogen-selective detector

Andreas De LeenheerCF Gelijkens

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Quantitative determination of cytokinins in culture media of Agrobacterium tumefaciens

M ClaeysEric MessensMarc Van MontaguJeff Schell

Quantitative mass spectrometry in life sciences II : proceedings of the second international symposium held at the State University of Ghent, June 13-16, 1978

Andreas De LeenheerRR RoncucciC Van Peteghem

Simultaneous determination of retinol and retinyl esters in serum or plasma by reversed-phase high-performance liquid chromatography

MG De RuyterAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Vitamin D3 in plasma : quantitation by mass fragmentography

Andreas De LeenheerAA Cruyl

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

1977

Application of ion-pair methods to extraction of fluorouracil from aqueous fluids

Andreas De LeenheerMarie-Claire Cosyns-duyckMaurice Van Vaerenbergh

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Assay of vitamin D3 (cholecalciferol) in plasma using gas chromatography/ selected ion monitoring (GC/SIM)

AA CruylAndreas De Leenheer

Mass fragmentography of vitamin D3 (cholecalciferol) in plasma samples

Andreas De LeenheerAA Cruyl

A2 Journal Article in QUANTITATIVE MASS SPECTROMETRY IN LIFE SCIENCES

Quantitative mass spectrometry in life sciences : proceedings of the first international symposium held at the State University of Ghent, June 16-18, 1976

Andreas De LeenheerRR Roncucci

Reversed-phase high-performance liquid chromatography of doxycycline

Andreas De LeenheerHans Nelis

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

1976

A method for the gas chromatographic determination of vitamin D and related structures

Andreas De LeenheerAAM Cruyl

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

A method for the statistical evaluation of results in external quality control surveys

Andreas De LeenheerMarcel GM De RuyterHerman Steyaert

A1 Journal Article in CLINICA CHIMICA ACTA

Determination of serum retinol (vitamin A) by high-speed liquid chromatography

MG De RuyterAndreas De Leenheer

A1 Journal Article in CLINICAL CHEMISTRY

Gas-liquid chromatography of pyrimidine and purine nucleosides as their N,O-permethyl derivatives

Andreas De LeenheerChristian F Gelijkens

A1 Journal Article in ANALYTICAL CHEMISTRY

Identification and quantitative GLC determination of iproniazid in human urine

Roland De SagherAndreas De LeenheerAE Claeys

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Improved column systems for gas-liquid chromatography of iproniazid and iproclozide

Roland De SagherAndreas De LeenheerAE Claeys

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

Quantitative gas-liquid chromatography of iproniazid and iproclozide

Roland De SagherAndreas De LeenheerAlbert E Claeys

A1 Journal Article in JOURNAL OF CHROMATOGRAPHIC SCIENCE

1975

Electron impact mass spectral studies of hydrazine monoamine oxidase inhibitor drugs

Roland De SagherAndreas De LeenheerAE ClaeysAA Cruyl

A1 Journal Article in BIOMEDICAL MASS SPECTROMETRY

Gas chromatographic determination of iproclozide in urine of psychiatric treated patients

Roland De SagherAndreas De LeenheerAlbert E Claeys

A1 Journal Article in ANALYTICAL CHEMISTRY

Identification and urinary excretion of p-chlorophenoxyacetamide, a metabolite of iproclozide, in humans

Roland De SagherAndreas De LeenheerAA CruylAE Claeys

A1 Journal Article in DRUG METABOLISM AND DISPOSITION

Identification of syn and anti geometric isomers of retinalmethoxime

Andreas De LeenheerMG De Ruyter

A1 Journal Article in ANALYTICAL BIOCHEMISTRY

Thin-layer chromatography of hydrazidic monoamine oxidase inhibitor drugs

Roland De SagherAndreas De LeenheerAE Claeys

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

1974

Column chromatography of 5-fluorouracil on Sephadex G-10

Andreas De LeenheerSS RigoCF GelijkensMaurice Van Vaerenbergh

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Identification and quantitative determination of phenothiazine drugs in urine samples of psychiatric patients

Andreas De Leenheer

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

1973

Determination of phenothiazine derivatives, analogs and metabolites in human urine

Andreas De Leenheer

A2 Journal Article in INTERNATIONAL MICROFORM JOURNAL OF LEGAL MEDICINE

Fluorometric determination of primary and secondary aliphatic amines by reaction with 9-isothiocyanatoacridine

Andreas De LeenheerJE SinsheimerJH Burckhalter

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Gas-liquid chromatography of phenothiazine derivatives and related compounds

Andreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Improved method for determining dibenzepine and its N-demethylated metabolites in human urine

Andreas De LeenheerA Heyndrickx

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Thin-layer chromatography of phenothiazine derivatives and analogs

Andreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Ultraviolet spectrophotometry of phenothiazine derivatives and analogs

Andreas De Leenheer

A1 Journal Article in JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS

1972

Basismethoden in de klinische biologie : bloed, urine, nier- blaas- en galstenen, duodenaalvocht, maaginhoud, feces, lumbaalvocht, nierfunctieproeven

Marguerite Albertine Van HauwaertAndreas De Leenheer

Chromatographic studies of 9-acridine derivatives

Andreas De LeenheerJE SinsheimerJH Burckhalter

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Coupling of chromatographic techniques with micro-infrared spectrometry for determination of phenothiazine and related drugs

Andreas De Leenheer

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY

Methotrimeprazine and its sulfoxide and desmethyl metabolites in urine of psychiatric patients

Andreas De LeenheerA Heyndrickx

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Photochemical cyclization of N-butyl-N'-(9-acridinyl)thiourea

Andreas De LeenheerJE SinsheimerJH Burckhalter

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

1971

Fatal urovison poisoning

Andreas De LeenheerMarc Van Den HeedeF Van Hoof

A2 Journal Article in TIAFT

Identification of 1,4-benzodiazepines in biological samples of man

A HeyndrickxAndreas De Leenheer

A2 Journal Article in PHARMACEUTISCH TIJDSCHRIFT VOOR BELGIË

Identification of a major metabolite of nortriptyline in human urine

Andreas De LeenheerA Heyndrickx

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

Identification of crystalline derivatives of butyrophenones by X-ray diffraction : examination of pure compounds and active substances in pharmaceutical formulations

E OkkerseAndreas De LeenheerA Heyndrickx

A1 Journal Article in JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS

Identification of phenothiazine derivatives and analogs by X-ray diffraction : I. Examination of pure compounds

Andreas De LeenheerA Heyndrickx

A1 Journal Article in JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS

Identification of phenothiazine derivatives and analogs by X-ray diffraction : II. Active substances in pharmaceutical formulations

Andreas De LeenheerA Heyndrickx

A1 Journal Article in JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS

TLC and GLC determinations of imipramine, levomepromazine and some of their metabolites in urine samples taken from a person under combined drug therapy

Andreas De Leenheer

A2 Journal Article in PROCEEDINGS OF THE EUROPEAN SOCIETY FOR THE STUDY OF DRUG TOXICITY

Unexpected formation of thioacridone and its spectral properties

Andreas De LeenheerYY ShumJE SinsheimerJH Burckhalter

A1 Journal Article in JOURNAL OF PHARMACEUTICAL SCIENCES

1969

Clinical toxicology of the metabolites of methaqualone in man

A HeyndrickxAndreas De Leenheer

A2 Journal Article in EUROPEAN JOURNAL OF TOXICOLOGY

Suicide with potassium cyanide

Andreas De Leenheer

A2 Journal Article in TIAFT

Toxicology and treatment of thallium poisoning by man

A HeyndrickxAndreas De LeenheerA Vanheule

A2 Journal Article in JOURNAL DE PHARMACIE DE BELGIQUE

1968

U.V. spectrophotometric detection of phenothiazine derivatives, analogues and metabolites in human biological materials

A HeyndrickxAndreas De Leenheer

A2 Journal Article in PROCEEDINGS OF THE EUROPEAN SOCIETY FOR THE STUDY OF DRUG TOXICITY

1967

Begrippen over bloedgroepbepaling en kruisproeven

M Van HauwaertAndreas De Leenheer

A2 Journal Article in ARCHIVES BELGES DE MEDECINE SOCIALE, HYGIENE, MEDECINE DU TRAVAIL ET MEDECINE LEGALE

Toxicological analysis of weckamines (amphetamine, pervitin, preludin and ritalin) in pharmaceutical compounds and urine of persons suspected from doping

A HeyndrickxAndreas De Leenheer

A2 Journal Article in JOURNAL DE PHARMACIE DE BELGIQUE

1966

Distribution of benzene in a fatal child poisoning

A HeyndrickxR MaesAndreas De Leenheer

A2 Journal Article in JOURNAL DE PHARMACIE DE BELGIQUE

Kwalitatieve identificatie van suikers in urine door dunnelaagchromatografie

Andreas De LeenheerM Van Hauwaert

A2 Journal Article in PHARMACEUTISCH TIJDSCHRIFT VOOR BELGIË

Onderzoek op de toxicologische aanvaarding van organische polymeren voor waterdistributiesystemen, voeding en farmaceutische verpakkingen

Andreas De LeenheerA Heyndrickx

A2 Journal Article in PHARMACEUTISCH TIJDSCHRIFT VOOR BELGIË

1965

Bepalingsmethoden van 5-hydroxy-3-indolazijnzuur (5-HIAA) in urine

Andreas De LeenheerM Van Hauwaert

A2 Journal Article in PHARMACEUTISCH TIJDSCHRIFT VOOR BELGIË

Postmortem toxicological study of the distribution in man of dimethylamino-2' (methyl-2' ethyl)-10 phenothiazine hydrochloride and methoxy-3 (dimethylamino-3' methyl-2' propyl)-10 phenothiazine maleate

A HeyndrickxAndreas De LeenheerAM Massart-Leen

A2 Journal Article in JOURNAL DE PHARMACIE DE BELGIQUE

1964

Infra-rood spektrofotometrie van sulfamiden

Andreas De Leenheer

A2 Journal Article in PHARMACEUTISCH TIJDSCHRIFT VOOR BELGIË

Intoxication of a child due to parathion by drinking poisoned milk

A HeyndrickxR MaesAndreas De Leenheer

A2 Journal Article in JOURNAL DE PHARMACIE DE BELGIQUE

L'identification et l'analyse quantitative des sulfamidés par spectrophotométrie dans l'infra-rouge

W Van Den BosscheAndreas De Leenheer

Renal toxicity associated with the use of Chinese herbs during a slimming regimen : botanical identification of the dried roots of Stephania tetranda, Aristolochia fangchi, and Aristolochia debilis

M Van Den HeedeAndreas De Leenheer