| Novel total antioxidant capacity index for dietary polyphenols and vitamins C and E, using their cupric ion reducing capability in the presence of neocuproine: CUPRAC method R Apak, K Güçlü, M Özyürek, SE Karademir Journal of agricultural and food chemistry 52 (26), 7970-7981, 2004 | 1336 | 2004 |
| Encyclopedia of surface and colloid science AT Hubbard CRC press, 2002 | 1018 | 2002 |
| Comparative evaluation of various total antioxidant capacity assays applied to phenolic compounds with the CUPRAC assay R Apak, K Güçlü, B Demirata, M Özyürek, S Celik, B Bektaşoğlu, ... Molecules 12 (7), 1496-1547, 2007 | 848 | 2007 |
| Heavy metal cation retention by unconventional sorbents (red muds and fly ashes) R Apak, E Tütem, M Hügül, J Hizal Water research 32 (2), 430-440, 1998 | 400 | 1998 |
| Methods of measurement and evaluation of natural antioxidant capacity/activity (IUPAC Technical Report) R Apak, S Gorinstein, V Böhm, KM Schaich, M Özyürek, K Güçlü Pure and Applied Chemistry 85 (5), 957-998, 2013 | 345 | 2013 |
| Adsorptive removal of chlorophenols from water by bituminous shale E Tütem, R Apak, ÇF Ünal Water Research 32 (8), 2315-2324, 1998 | 323 | 1998 |
| Mechanism of antioxidant capacity assays and the CUPRAC (cupric ion reducing antioxidant capacity) assay R Apak, K Güclü, M Özyürek, SE Celik Microchimica Acta 160 (4), 413-419, 2008 | 321 | 2008 |
| The cupric ion reducing antioxidant capacity and polyphenolic content of some herbal teas R Apak, K Güçlü, M Özyürek, S Esin Karademir, E Erçağ International Journal of Food Sciences and Nutrition 57 (5-6), 292-304, 2006 | 308 | 2006 |
| Total antioxidant capacity assay of human serum using copper (II)-neocuproine as chromogenic oxidant: the CUPRAC method R Apak, K Güçlü, M Özyürek, SE Karademi˙ r, M Altun Free radical research 39 (9), 949-961, 2005 | 210 | 2005 |
| Comparative evaluation of Fe (III) reducing power-based antioxidant capacity assays in the presence of phenanthroline, batho-phenanthroline, tripyridyltriazine (FRAP), and … KI Berker, K Güçlü, İ Tor, R Apak Talanta 72 (3), 1157-1165, 2007 | 209 | 2007 |
| Modeling of copper (II) and lead (II) adsorption on kaolinite-based clay minerals individually and in the presence of humic acid J Hizal, R Apak Journal of colloid and interface science 295 (1), 1-13, 2006 | 180 | 2006 |
| Antioxidant activity/capacity measurement. 1. Classification, physicochemical principles, mechanisms, and electron transfer (ET)-based assays R Apak, M Özyürek, K Güçlü, E Çapanoğlu Journal of agricultural and food chemistry 64 (5), 997-1027, 2016 | 168 | 2016 |
| Modeling of copper (II), cadmium (II), and lead (II) adsorption on red mud R Apak, K Güçlü, MH Turgut Journal of Colloid and Interface Science 203 (1), 122-130, 1998 | 155 | 1998 |
| Use of an o-aminobenzoic acid-functionalized XAD-4 copolymer resin for the separation and preconcentration of heavy metal (II) ions SD Çekiç, H Filik, R Apak Analytica Chimica Acta 505 (1), 15-24, 2004 | 147 | 2004 |
| Spectrophotometric determination of ascorbic acid using copper (II)–neocuproine reagent in beverages and pharmaceuticals K Güçlü, K Sözgen, E Tütem, M Özyürek, R Apak Talanta 65 (5), 1226-1232, 2005 | 144 | 2005 |
| Modeling of cadmium (II) adsorption on kaolinite-based clays in the absence and presence of humic acid J Hizal, R Apak Applied Clay Science 32 (3-4), 232-244, 2006 | 126 | 2006 |
| Comparison of total antioxidant capacity and phenolic composition of some apple juices with combined HPLC–CUPRAC assay Ş Karaman, E Tütem, KS Başkan, R Apak Food Chemistry 120 (4), 1201-1209, 2010 | 116 | 2010 |
| Hydroxyl radical scavenging assay of phenolics and flavonoids with a modified cupric reducing antioxidant capacity (CUPRAC) method using catalase for hydrogen peroxide degradation M Özyürek, B Bektaşoğlu, K Güçlü, R Apak Analytica chimica acta 616 (2), 196-206, 2008 | 116 | 2008 |
| Chromium (III, VI) speciation analysis with preconcentration on a maleic acid-functionalized XAD sorbent S Yalçin, R Apak Analytica Chimica Acta 505 (1), 25-35, 2004 | 106 | 2004 |
| Spectrophotometric determination of ascorbic acid by the modified CUPRAC method with extractive separation of flavonoids–La (III) complexes M Özyürek, K Güçlü, B Bektaşoğlu, R Apak Analytica chimica acta 588 (1), 88-95, 2007 | 104 | 2007 |