| 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 | 361 | 2006 |
| 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 | 224 | 2006 |
| 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 | 213 | 2016 |
| 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 | 184 | 2004 |
| Recent developments in the HPLC separation of phenolic compounds KM Kalili, A de Villiers Journal of separation science 34 (8), 854-876, 2011 | 166 | 2011 |
| 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 | 125 | 2012 |
| 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 | 117 | 2012 |
| 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 | 116 | 2011 |
| 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 | 114 | 2011 |
| 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 | 113 | 2013 |
| 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 | 108 | 2009 |
| 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 | 105 | 2011 |
| 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 | 104 | 2010 |
| 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 | 100 | 2004 |
| 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 | 97 | 2005 |
| 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 | 95 | 2008 |
| 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 | 93 | 2012 |
| 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 | 92 | 2015 |
| 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 | 91 | 2012 |
| 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 | 91 | 2012 |
