Biomarkers of oxidative stress and antioxidant defense S Demirci-Cekic, G Özkan, AN Avan, S Uzunboy, E Çapanoğlu, R Apak Journal of pharmaceutical and biomedical analysis 209, 114477, 2022 | 189 | 2022 |
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 | 179 | 2004 |
Comparative evaluation of antioxidant capacities of thiol-based antioxidants measured by different in vitro methods N Güngör, M Özyürek, K Güçlü, SD Çekiç, R Apak Talanta 83 (5), 1650-1658, 2011 | 86 | 2011 |
Methods to evaluate the scavenging activity of antioxidants toward reactive oxygen and nitrogen species (IUPAC Technical Report) R Apak, A Calokerinos, S Gorinstein, MA Segundo, DB Hibbert, İ Gülçin, ... Pure and Applied Chemistry 94 (1), 87-144, 2022 | 79 | 2022 |
Modified cupric reducing antioxidant capacity (CUPRAC) assay for measuring the antioxidant capacities of thiol-containing proteins in admixture with polyphenols SD Çekiç, KS Başkan, E Tütem, R Apak Talanta 79 (2), 344-351, 2009 | 67 | 2009 |
Correlation of total antioxidant capacity with reactive oxygen species (ROS) consumption measured by oxidative conversion S Demirci Çekiç, A Cetinkaya, AN Avan, R Apak Journal of agricultural and food chemistry 61 (22), 5260-5270, 2013 | 57 | 2013 |
Spectrophotometric determination of paracetamol in urine with tetrahydroxycalix [4] arene as a coupling reagent and preconcentration with Triton X-114 using cloud point extraction H Filik, İ Şener, SD Cekiç, E Kiliç, R Apak Chemical and Pharmaceutical Bulletin 54 (6), 891-896, 2006 | 52 | 2006 |
Simultaneous Spectrophotometric Determination of Paracetamol and p-Aminophenol in Pharmaceutical Products with Tiron Using Dissolved Oxygen as Oxidant SD Cekic, H Filik, R Apak Journal of Analytical Chemistry 60, 1019-1023, 2005 | 50 | 2005 |
Spectrophotometric total protein assay with copper (II)–neocuproine reagent in alkaline medium K Sözgen, SD Cekic, E Tütem, R Apak Talanta 68 (5), 1601-1609, 2006 | 49 | 2006 |
Protein–incorporated serum total antioxidant capacity measurement by a modified CUPRAC (CUPRIC reducing antioxidant capacity) method SD Çekiç, N Kara, E Tütem, KS Başkan, R Apak Analytical letters 45 (7), 754-763, 2012 | 48 | 2012 |
Novel spectroscopic and electrochemical sensors and nanoprobes for the characterization of food and biological antioxidants R Apak, S Demirci Çekiç, A Üzer, SE Çelik, M Bener, B Bekdeşer, Z Can, ... Sensors 18 (1), 186, 2018 | 32 | 2018 |
HPLC detection and antioxidant capacity determination of brown, red and green algal pigments in seaweed extracts S Yalçın, Ö Karakaş, EŞ Okudan, KS Başkan, SD Çekiç, R Apak Journal of Chromatographic Science 59 (4), 325-337, 2021 | 29 | 2021 |
Determination of total antioxidant capacity of milk by CUPRAC and ABTS methods with separate characterisation of milk protein fractions SD Çekiç, A Demir, KS Başkan, E Tütem, R Apak Journal of Dairy Research 82 (2), 177-184, 2015 | 27 | 2015 |
A colourimetric sensor for the simultaneous determination of oxidative status and antioxidant activity on the same membrane: N, N-Dimethyl-p-phenylene diamine (DMPD) on Nafion SD Çekiç, AN Avan, S Uzunboy, R Apak Analytica Chimica Acta 865, 60-70, 2015 | 26 | 2015 |
Spectrophotometric determination of phenolic antioxidants in the presence of thiols and proteins AN Avan, S Demirci Çekiç, S Uzunboy, R Apak International Journal of Molecular Sciences 17 (8), 1325, 2016 | 23 | 2016 |
Selective determination of catechin among phenolic antioxidants with the use of a novel optical fiber reflectance sensor based on indophenol dye formation on nano-sized TiO2 R Apak, S Demirci Çekiç, A Cetinkaya, H Filik, M Hayvalı, E Kılıç Journal of agricultural and food chemistry 60 (11), 2769-2777, 2012 | 23 | 2012 |
Colorimetric sensors and nanoprobes for characterizing antioxidant and energetic substances R Apak, SD Çekiç, A Üzer, E Çapanoğlu, SE Çelik, M Bener, Z Can, ... Analytical Methods 12 (44), 5266-5321, 2020 | 19 | 2020 |
Cloud point extraction of pesticide residues H Filik, SD Çekiç Pesticides in the modern world-trends in pesticides analysis, 247-280, 2011 | 19 | 2011 |
Antioxidant activity and capacity measurement E Capanoglu, S Kamiloglu, S Demirci Cekic, K Sozgen Baskan, AN Avan, ... Plant antioxidants and health, 1-66, 2020 | 17 | 2020 |
Use of modified CUPRAC and dinitrophenylhydrazine colorimetric methods for simultaneous measurement of oxidative protein damage and antioxidant defense against oxidation G Bayarsaikhan, AN Avan, SD Çekiç, R Apak Talanta 204, 613-625, 2019 | 14 | 2019 |