Research Explorer

Your browser does not support JavaScript or JavaScript is not enabled. Without JavaScript some functions of this webapplication may be disabled or cause error messages. To enable JavaScript, please consult the manual of your browser or contact your system administrator.

Researcher

André De Villiers

Awards & Distinctions

24 Results

2020

Pharmaceutical impurity analysis by comprehensive two-dimensional temperature responsive x reversed phase liquid chromatography

Kristina WichtMathijs BaertArdiana KajtaziSonja SchippergesNorwin von DoehrenGert DesmetAndré De VilliersFrederic Lynen

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

2008

Comprehensive two-dimensional liquid chromatography applying two parallel columns in the second dimension

Isabelle FrançoisAndré De VilliersBart TienpontFrank DavidPatrick Sandra

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

2007

Application of ultra performance liquid chromatography to the analysis of anthocyanins in wine

André De VilliersJ SMUTSFrederic LynenPatrick Sandra

High efficiency liquid chromatography on conventional columns and instrumentation by using temperature as a variable Kinetic plots and experimental verification

F LESTREMAUAndré De VilliersFrederic LynenA COOPERR SZUCSPatrick Sandra

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Improving the universal response of evaporative light scattering detection by mobile phase compensation

André De VilliersT GORECKIFrederic LynenR SZUCSPatrick Sandra

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Kinetic plots and experimental verification of evolution of chromatographic performances with temperature in HPLC

F LESTREMAUAndré De VilliersFrederic LynenR SZUCSPatrick Sandra

Method to predict and compare the influence of the particle size on the isocratic peak capacity of high-performance liquid chromatography columns

D CABOOTERAndré De VilliersD CLICQR SZUCSPatrick SandraG DESMET

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Mobile phase compensation to enhance universal response of the evaporative light scattering detector

André De VilliersT GORECKIFrederic LynenR SZUCSPatrick Sandra

2006

Considerations on the possibilities and limitations of comprehensive normal phase-reversed phase liquid chromatography (NPLC x RPLC)

Isabelle FrançoisAndré De VilliersPatrick Sandra

A1 Journal Article in JOURNAL OF SEPARATION SCIENCE

Packed Columns for CEC-UV and CEC-Hyphenation

Frederic LynenAstrid BuicaAndré De VilliersA CROUCHPatrick Sandra

2005

An efficient slurry packing procedure for the preparation of columns applicable in capillary electrochromatography and capillary electrochromatography-electrospray-mass spectrometry

Frederic LynenA BUICAAndré De VilliersA CROUCHPatrick Sandra

A1 Journal Article in JOURNAL OF SEPARATION SCIENCE

Classification of South African red and white wines according to grape variety based on the non-coloured phenolic content

André De VilliersP MAJEKFrederic LynenA CROUCHH LAUERPatrick Sandra

A1 Journal Article in EUROPEAN FOOD RESEARCH AND TECHNOLOGY

2004

An improved procedure for highly efficient slurry packing of columns for capillary electrochromatography

Frederic LynenAstrid BuicaAndré De VilliersA CROUCHPatrick Sandra

Determination of anthocyanins in wine by direct injection liquid chromatography-diode array detection-mass spectrometry and classification of wines using discriminant analysis

André De VilliersG VANHOENACKERP MAJEKPatrick Sandra

A1 Journal Article in JOURNAL OF CHROMATOGRAPHY A

Development of a solid-phase extraction procedure for the simultaneous determination of polyphenols, organic acids and sugars in wine

André De VilliersFrederic LynenA CROUCHPatrick Sandra

A1 Journal Article in CHROMATOGRAPHIA

Stir bar sorptive extraction-liquid desorption applied to the analysis of hop-derived bitter acids in beer by micellar electrokinetic chromatography

André De VilliersGerd VanhoenackerFrederic LynenPatrick Sandra

A1 Journal Article in ELECTROPHORESIS

2003

A robust capillary electrophoresis method for the determination of organic acids in wines

André De VilliersFrederic LynenA CROUCHPatrick Sandra

A1 Journal Article in EUROPEAN FOOD RESEARCH AND TECHNOLOGY

Evaluation of liquid chromatography and capillary electrophoresis for the elucidation of the artificial colorants brilliant blue and axorubine in red wines

André De VilliersF ALBERTSFrederic LynenA CROUCHPatrick Sandra

A1 Journal Article in CHROMATOGRAPHIA

2002

Amino Acid Analysis in Wines by Liquid Chromatography – Fluorescence Detection Without Sample Enrichment

C DOUGLASAndré De VilliersFrederic LynenPatrick Sandra

Chemometrics Applied to the Involatile Fractions of Wines

André De VilliersFrederic LynenPatrick Sandra

Determination of diffusion coefficients of platinum chloro complexes using the Taylor dispersion and the electrophoretic stopped flow methods

H MAKAMBAAndré De VilliersH LAUERA CROUCHFrederic LynenPatrick Sandra

Evaluation of Liquid Chromatography and Capillary Electrophoresis for the Elucidation of the Artificial Colourants Brilliant Blue and Azorubine in red wines

André De VilliersF ALBERTSH LAUERFrederic LynenPatrick Sandra

Stir Bar Sorptive Extraction-Liquid Desorption for the Analysis of Hop Derived Bitter Acids In Beer by Micellar Electrokinetic Chromatography

André De VilliersH LAUERFrederic LynenPatrick Sandra

2001

Comparison of high-performance liquid chromatography - Mass spectroscopy and capillary electrophoresis - Mass spectroscopy for the analysis of phenolic compounds in diethyl ether extracts of red wines.

Gerd VanhoenackerAndré De VilliersKarel LazouDenis De KeukeleirePatrick Sandra

A1 Journal Article in CHROMATOGRAPHIA