Etkinlikler

Apak, R., Güçlü, K., Özyürek, M., & Karademir, S. E. (2004). 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. Journal of Agricultural and Food Chemistry, 52(26), 7970-7981.

Apak, R., Güçlü, K., Özyürek, M., Karademir, S. E. N., & Altun, M. (2005). Total antioxidant capacity assay of human serum using copper (II)-neocuproine as chromogenic oxidant: the CUPRAC method. Free Radical Research, 39(9), 949-961.

Özyürek, M., Bektaşoğlu, B., Güçlü, K., & Apak, R. (2008). Hydroxyl radical scavenging assay of phenolics and flavonoids with a modified cupric reducing antioxidant capacity (CUPRAC) method using catalase for hydrogen peroxide degradation. Analytica Chimica Acta, 616(2), 196-206.

Özyürek, M., Bektaşoğlu, B., Güçlü, K., Güngör, N., & Apak, R. (2008). Simultaneous total antioxidant capacity assay of lipophilic and hydrophilic antioxidants in the same acetone–water solution containing 2% methyl-β-cyclodextrin using the cupric reducing antioxidant capacity (CUPRAC) method. Analytica Chimica Acta, 630(1), 28-39.

Bener, M., Özyürek, M., Güçlü, K., & Apak, R. (2010). Development of a low-cost optical sensor for cupric reducing antioxidant capacity measurement of food extracts. Analytical Chemistry, 82(10), 4252-4258.

Çelik, S. E., Özyürek, M., Güçlü, K., & Apak, R. (2010). Solvent effects on the antioxidant capacity of lipophilic and hydrophilic antioxidants measured by CUPRAC, ABTS/persulphate and FRAP methods. Talanta, 81(4-5), 1300-1309.

Çelik, S. E., Özyürek, M., Güçlü, K., & Apak, R. (2010). Determination of antioxidants by a novel on-line HPLC-Cupric Reducing Antioxidant Capacity (CUPRAC) assay with post-column detection. Analytica chimica acta, 674(1), 79-88.

Bekdeşer, B., Özyürek, M., Güçlü, K., & Apak, R. (2011). tert-Butylhydroquinone as a spectroscopic probe for the superoxide radical scavenging activity assay of biological samples. Analytical Chemistry, 83(14), 5652-5660.

Özyürek, M., Güngör, N., Baki, S., Güçlü, K., & Apak, R. (2012). Development of a silver nanoparticle-based method for the antioxidant capacity measurement of polyphenols. Analytical Chemistry, 84(18), 8052-8059.

Tufan, A. N., Çelik, S. E., Özyürek, M., Güçlü, K., & Apak, R. (2013). Direct measurement of total antioxidant capacity of cereals: QUENCHER-CUPRAC method. Talanta, 108, 136-142.

Özyürek, M., Bener, M., Güçlü, K., & Apak, R. (2014). Antioxidant/antiradical properties of microwave-assisted extracts of three wild edible mushrooms. Food Chemistry, 157, 323-331.

Tufan, A. N., Baki, S., Güçlü, K., Özyürek, M., & Apak, R. (2014). A novel differential pulse voltammetric (DPV) method for measuring the antioxidant capacity of polyphenols-reducing cupric neocuproine complex. Journal of agricultural and food chemistry, 62(29), 7111-7117.

Çekiç, S. D., Avan, A. N., Uzunboy, S., & Apak, R. (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. Analytica chimica acta, 865, 60-70.

Başkan, K. S., Tütem, E., Akyüz, E., Özen, S., & Apak, R. (2016). Spectrophotometric total reducing sugars assay based on cupric reduction. Talanta, 147, 162-168.

Bener, M., Şen, F. B., & Apak, R. (2018). Heparin-stabilized gold nanoparticles-based CUPRAC colorimetric sensor for antioxidant capacity measurement. Talanta, 187, 148-155.

Bener, M., Şen, F. B., Kaşgöz, A., & Apak, R. (2018). Carrageenan-based colorimetric sensor for total antioxidant capacity measurement. Sensors and Actuators B: Chemical, 273, 439-447.

Çelik, S. E., Bekdeşer, B., & Apak, R. (2019). A novel colorimetric sensor for measuring hydroperoxide content and peroxyl radical scavenging activity using starch-stabilized gold nanoparticles. Talanta, 196, 32-38.

Çelik, S. E., Asfoor, A., Şenol, O., & Apak, R. (2019). Screening Method for Argan Oil Adulteration with Vegetable Oils: An Online HPLC Assay with Postcolumn Detection Utilizing Chemometric Multidata Analysis. Journal of Agricultural and Food Chemistry, 67(29), 8279-8289.

Akyüz, E., Şen, F. B., Bener, M., Başkan, K. S., & Apak, R. (2020). A novel gold nanocluster–based fluorometric biosensor for measuring prooxidant activity with a large Stokes shift. Talanta, 208, 120425.

Bener, M., Şen, F. B., & Apak, R. (2020). Novel pararosaniline based optical sensor for the determination of sulfite in food extracts. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 226, 117643.

  • Food Antioxidants Measurement R&D Center Infrastructure Project, T.C. Ministry of Development, Project No: 2011K120320, 2013.
  • Microencapsulation of Anthocyanins from Industrial Wastes and Their Use in Processed Foods, Republic of Turkey Ministry of Agriculture and Forestry, General Directorate of Agricultural Research and Policies, Project No: TAGEM-18-ARGE-18, 2018-be continued.
  • Characterization and Comparison of Commercial Products Prepared from Some Medicinal and Aromatic Plants Growing in Turkey, Republic of Turkey Ministry of Agriculture and Forestry, General Directorate of Agricultural Research and Policies, Project No: TAGEM-16-ARGE-45, 2020.
  • Methods to evaluate the scavenging activity of antioxidants toward reactive oxygen and nitrogen species (ROS/RNS), International Union of Pure & Applied Chemistry Project No: 2013-015-1-500 Apak, 2016.
  • Development of optical, electrochemical and nano-colorimetric sensors for the determination of peroxides directly or indirectly generated from lipid hydroperoxides, peroxide-based explosives and organophosphorus pesticides, TUBITAK Project, Project No: 119Z864, 2019-be continued.