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André de Villiers
André de Villiers
Department of Chemistry and Polymer Science, Stellenbosch University, South Africa
Verified email at sun.ac.za
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Cited by
Cited by
Year
Evaluation of ultra performance liquid chromatography: Part I. Possibilities and limitations
A de Villiers, F Lestremau, R Szucs, S Gélébart, F David, P Sandra
Journal of Chromatography A 1127 (1-2), 60-69, 2006
3622006
Influence of frictional heating on temperature gradients in ultra-high-pressure liquid chromatography on 2.1 mm ID columns
A de Villiers, H Lauer, R Szucs, S Goodall, P Sandra
Journal of Chromatography A 1113 (1-2), 84-91, 2006
2242006
Recent advances and trends in the liquid-chromatography–mass spectrometry analysis of flavonoids
A de Villiers, P Venter, H Pasch
Journal of Chromatography A 1430, 16-78, 2016
2152016
Determination of anthocyanins in wine by direct injection liquid chromatography–diode array detection–mass spectrometry and classification of wines using discriminant analysis
A De Villiers, G Vanhoenacker, P Majek, P Sandra
Journal of Chromatography A 1054 (1-2), 195-204, 2004
1862004
Recent developments in the HPLC separation of phenolic compounds
KM Kalili, A de Villiers
Journal of separation science 34 (8), 854-876, 2011
1692011
Food Ingredient Extracts of Cyclopia subternata (Honeybush): Variation in Phenolic Composition and Antioxidant Capacity
D De Beer, AE Schulze, E Joubert, A De Villiers, CJ Malherbe, ...
Molecules 17 (12), 14602-14624, 2012
1272012
Analytical techniques for wine analysis: An African perspective; a review
A de Villiers, P Alberts, AGJ Tredoux, HH Nieuwoudt
Analytica Chimica Acta 730, 2-23, 2012
1182012
Characterisation of volatile components of Pinotage wines using comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GC× GC–TOFMS)
BT Weldegergis, A De Villiers, C McNeish, S Seethapathy, A Mostafa, ...
Food Chemistry 129 (1), 188-199, 2011
1162011
Comprehensive two-dimensional gas chromatography for the analysis of synthetic and crude-derived jet fuels
R van der Westhuizen, M Ajam, P De Coning, J Beens, A de Villiers, ...
Journal of Chromatography A 1218 (28), 4478-4486, 2011
1142011
Systematic optimisation and evaluation of on-line, off-line and stop-flow comprehensive hydrophilic interaction chromatography× reversed phase liquid chromatographic analysis …
KM Kalili, A de Villiers
Journal of Chromatography A 1289, 58-68, 2013
1132013
Off-line comprehensive 2-dimensional hydrophilic interaction× reversed phase liquid chromatography analysis of procyanidins
KM Kalili, A de Villiers
Journal of Chromatography A 1216 (35), 6274-6284, 2009
1082009
Solid phase extraction in combination with comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry for the detailed investigation of …
BT Weldegergis, AM Crouch, T Górecki, A De Villiers
Analytica Chimica Acta 701 (1), 98-111, 2011
1052011
Off‐line comprehensive two‐dimensional hydrophilic interaction× reversed phase liquid chromatographic analysis of green tea phenolics
KM Kalili, A de Villiers
Journal of Separation Science 33 (6‐7), 853-863, 2010
1052010
Development of a solid-phase extraction procedure for the simultaneous determination of polyphenols, organic acids and sugars in wine
A De Villiers, F Lynen, A Crouch, P Sandra
Chromatographia 59, 403-409, 2004
992004
Classification of South African red and white wines according to grape variety based on the non-coloured phenolic content
A De Villiers, P Majek, F Lynen, A Crouch, H Lauer, P Sandra
European Food Research and Technology 221, 520-528, 2005
982005
Comprehensive two‐dimensional liquid chromatographic analysis of rooibos (Aspalathus linearis) phenolics
T Beelders, KM Kalili, E Joubert, D de Beer, A de Villiers
Journal of separation science 35 (14), 1808-1820, 2012
962012
Stir bar sorptive extraction combined with GC-MS analysis and chemometric methods for the classification of South African wines according to the volatile composition
A Tredoux, A de Villiers, P Májek, F Lynen, A Crouch, P Sandra
Journal of agricultural and food chemistry 56 (12), 4286-4296, 2008
952008
Comprehensive two-dimensional hydrophilic interaction chromatography (HILIC)× reversed-phase liquid chromatography coupled to high-resolution mass spectrometry (RP-LC-UV-MS …
CM Willemse, MA Stander, J Vestner, AGJ Tredoux, A De Villiers
Analytical chemistry 87 (24), 12006-12015, 2015
922015
Kinetic optimisation of the reversed phase liquid chromatographic separation of rooibos tea (Aspalathus linearis) phenolics on conventional high performance liquid …
T Beelders, GO Sigge, E Joubert, D de Beer, A de Villiers
Journal of Chromatography A 1219, 128-139, 2012
922012
Comprehensive two-dimensional liquid chromatography applying two parallel columns in the second dimension
I François, A De Villiers, B Tienpont, F David, P Sandra
Journal of Chromatography A 1178 (1-2), 33-42, 2008
892008
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