Person: UÇKAYA, FATİH
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Publication Metadata only Chitosan and carboxymethyl cellulose based magnetic nanocomposites for application of peroxidase purification(2017-03-01) Kurt, BELMA; Uckaya, FATİH; Durmus, ZEHRA; ZENGİN KURT, BELMA; UÇKAYA, FATİHRecently, protein purification methods have a very wide area of research. Many of these methods are both expensive and multi-stage methods, that are needed in specific equipment. In this study, biopolymer coated magnetic nanoparticles, carboxymethyl cellulose (CMC) and chitosan (CH) coated Fe3O4 (magnetite) nanocomposites, are used in a new purification process. The structure of the synthesized magnetic nanocomposites were characterized by Fourier transform infrared (FTIR) spectrometry, X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), thermogravimetric (TGA) analysis and zeta potential for surface charge of magnetic nanocomposites. Molecular weight and purification degree of peroxidase were estimated with SDS-PAGE. Peroxidase enzyme was purified a yield of 82.55% with carboxymethyl cellulose and 76.72% with chitosan using this method. (C) 2016 Elsevier B.V. All rights reserved.Publication Metadata only Diterpens and other constituens from Ajuga spp. with cytotoxic activity(2015-08-01) Yapar, Gönül; Uckaya, FATİH; Topcu, GÜLAÇTI; UÇKAYA, FATİH; TOPÇU, GÜLAÇTIPublication Metadata only Anti-Oxidant, Cytotoxic And Genotoxic Investigations Of Olea europaea Leaves.(2015-11-29) BEKTAY, MUHAMMED YUNUS; GÜLER, ERAY METİN; Kızıltaş, Mustafa Volkan; UÇKAYA, FATİH; KOÇYİĞİT, ABDÜRRAHİM; TOPÇU, GÜLAÇTI; BEKTAY, MUHAMMED YUNUS; GÜLER, ERAY METİN; UÇKAYA, FATİH; KOÇYİĞİT, ABDÜRRAHİM; TOPÇU, GÜLAÇTIPublication Metadata only Investigation of Anti-Oxidant and Toxicological Effects Of Methanolic Extract of Rosmarinus officinalis(2015-10-17) BEKTAY, MUHAMMED YUNUS; UÇKAYA, FATİH; BAYINDIR, NİHAN; TOPÇU, GÜLAÇTI; EŞREFOĞLU, MUKADDES; BEKTAY, MUHAMMED YUNUS; UÇKAYA, FATİH; BAYINDIR, NİHAN; TOPÇU, GÜLAÇTI; EŞREFOĞLU, MUKADDESPublication Metadata only Treatment of Ulcerative Colitis Disease with Rosmarinus officinalis(2017-01-01T00:00:00Z) YILMAZ, ANIL; UÇKAYA, FATİH; Bayındır, Nihan; TOPRAK, ALİ; GÜLER, ERAY METİN; EŞREFOĞLU, MUKADDES; TOPÇU, GÜLAÇTI; UÇKAYA, FATİH; TOPRAK, ALİ; GÜLER, ERAY METİN; EŞREFOĞLU, MUKADDES; TOPÇU, GÜLAÇTIPublication Open Access Antioxidant and toxicological in-vivo and in-vitro examination of licorice extract(2016-09-01) Bektay, MUHAMMED YUNUS; Uckaya, FATİH; Guler, E. M.; Bayindir, NİHAN; Kocyigit, ABDÜRRAHİM; Esrefoglu, MUKADDES; Topcu, GÜLAÇTI; BEKTAY, MUHAMMED YUNUS; UÇKAYA, FATİH; GÜLER, ERAY METİN; BAYINDIR, NİHAN; KOÇYİĞİT, ABDÜRRAHİM; EŞREFOĞLU, MUKADDES; TOPÇU, GÜLAÇTIPublication Metadata only Antiprotease and Antioxidant Activities of Salvia montbretii.(2015-10-17) Uçakaya, Meryem; UÇKAYA, FATİH; BEKTAY, MUHAMMED YUNUS; TOPÇU, GÜLAÇTI; UÇKAYA, FATİH; BEKTAY, MUHAMMED YUNUS; TOPÇU, GÜLAÇTIPublication Metadata only Three Phase Partitioning of Peroxidase from Opuntia-ficus indica and Its Utility for Decolorization of Synthetic Dyes(2015-09-17T00:00:00Z) UÇKAYA, FATİH; UÇKAYA, MERYEM; GÜLER, ERAY METİN; TOPÇU, GÜLAÇTI; UÇKAYA, FATİH; GÜLER, ERAY METİN; TOPÇU, GÜLAÇTIPublication Metadata only Prangos ilanae Bitkisinden Elde Edilen Kumarinlerin Antikoagülan Etkisinin İncelenmesi(2019-03-17) DİNCEL, DEMET; UÇKAYA, FATİH; Özer, Ö.F.; TOPÇU, GÜLAÇTI; DİNCEL, DEMET; UÇKAYA, FATİH; ÖZER, ÖMER FARUK; TOPÇU, GÜLAÇTIPublication Metadata only Evaluation of the efficiency and safety in cosmetic products(2016-02-01T00:00:00Z) Uckaya, Meryem; UÇKAYA, FATİH; DEMİR, NAZAN; DEMİR, YAŞAR; UÇKAYA, FATİHChemicals used in cosmetics have to interact with enzymes for beneficial or destroy purpose after they enter in our body. Active sections of enzymes that catalyze reactions have three dimensions and they are active optically. When these limitations of catalytic sections are considered, it may be considered that defining geometric specifications of chemical materials and functional groups they contain may contribute on safety evaluations of cosmetic products.