Browsing Mülkiyet Koruma ve Güvenlik Bölümü by Author "Köse, Dursun Ali"
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Adsorption of Victoria Blue R (VBR) dye on magnetic microparticles containing Fe(II)–Co(II) double salt
Erol, Kadir; Köse, Kazım; Köse, Dursun Ali; Sızır, Ümit; Tosun Satır, İlknur; Uzun, Lokman (Taylor and Francis Inc., 2016)Magnetic microparticles have many applications in various areas today. The aim of this study was to develop hydrophobic magnetic microparticles as an alternative to traditional methods for high capacity and low cost removal ... -
Affinity purification lipase from wheat germ: comparison of hydrophobic and metal chelation effect
Köse, Kazım; Erol, Kadir; Köse, Dursun Ali; Evci, Emre; Uzun, Lokman (Taylor and Francis Ltd., 2017)Cryogels are used quite a lot nowadays for adsorption studies as synthetic adsorbents. In this study, lipase enzyme (obtained from Candida cylindracea) adsorption capacity of poly(2-hydroxyethyl methacrylate-N-methacrylo ... -
Development of novel copper modified cryogels for biochemical isolation
Köse, Kazım; Erol, Kadir; Köse, Dursun Ali (Springer, 2020)Cu(II) anchored polymeric cryogels are synthesized for the isolation of B12. The poly(2-hydroxyethyl methacrylate) [poly(HEMA)] is used as solid support and N-methacryloyl-l-aspartic acid, is used as a ligand. Synthesis ... -
Effect of immobilization on the activity of catalase carried by poly(HEMA-GMA) cryogels
Erol, Kadir; Koncuk Cebeci, Büşra; Köse, Kazım; Köse, Dursun Ali (Elsevier B.V., 2019)Hydrogen peroxide is converted by catalase to molecular oxygen and water to remove oxidative stress. In this study, catalase immobilization was performed using poly(2-hydroxyethyl methacrylate-glycidyl methacrylate) ... -
Electrostatic adsorption of asymmetric dimethyl arginine (adma) on poly (2-hydroxyethyl methacrylate-acrylic acid) nanoparticles
Erol, Kadir; Köse, Kazım; Avcı, Emre; Köse, Dursun Ali (Taylor and Francis Inc., 2017)Separation and purification of asymmetric dimethylarginine (ADMA) molecule, which is an important biomolecule in terms of cardiovascular diseases, is of great importance. Among the methods, the adsorption technique is of ... -
Fe(II)-Co(II) double salt incorporated magnetic hydrophobic microparticles for invertase adsorption
Köse, Kazım; Erol, Kadir; Emniyet Sert, Asiye Aslı; Köse, Dursun Ali; Alp Avcı, Gülçin; Uzun, Lokman (Humana Press Inc., 2015)Invertase (β-fructofuranoside fructohydrolase, EC 3.2.1.26) is an enzyme widely used in the food industry. Its main function is the formation of glucose and fructose through hydrolysis of sucrose. For the separation and ... -
Investigation of immobilization and kinetic properties of catalase enzyme on poly(HEMA-GMA) cryogel
Erol, Kadir; Cebeci, Büşra; Köse, Kazım; Köse, Dursun Ali (Slovak Academy of Sciences Institute of Experimental Physics Department of Biophysics, 2017)Catalase is a metalloenzyme, which is found in almost all aerobic respiratory organisms. This enzyme acts as a detoxification agent for the hydrogen peroxide (H2O2) compound, protecting tissues and cells from oxidative ... -
Isolation of aspartic acid using Novel Poly(2-hydroxyethyl methacrylate-N-methacryloyl-(l)-lysine) Cryogels
Sarıca, Büşra; Köse, Kazım; Uzunoğlu, Aytekin; Erol, Kadir; Köse, Dursun Ali (Friedr. Vieweg und Sohn Verlags GmbH, 2018)In this study, we report on the synthesis of novel poly(2-hydroxyethyl methacrylate-N-methacryloyl-(l)-lysine) [poly(HEMA-MAL)] cryogels for the isolation of aspartic acid. Cryogels were characterized using nuclear magnetic ... -
Lead removal from industrial waste
Bilgin, Elif; Yüce, Murat; Köse, Kazım; Erol, Kadir; Köse, Dursun Ali (Hitit University, 2017)In this study, the heavy metal removal performance of poly(2-hydroxyethyl methacrylate-N-methacryloyl-(L)-histidine methyl ester), poly(HEMA-MAH) cryogel, a known polymer, in HNO3 was investigated. To determine the heavy ... -
Nicotinamide-modified poly(HEMA-GMA)-Nic cryogels for removal of pesticides
Köse, Kazım; Arslan Akveran, Gönül; Erol, Kadir; Köse, Dursun Ali (Turkish Chemical Society, 2018)Chlordane is only one of the persistent pesticides used in some countries despite the ban. Removal of chlordane, a severe threat to all living things, was performed using nicotinamide-modified poly (2-hydroxyethyl ... -
Pesticide effect on kinetic properties of catalase enzyme
Erol, Kadir; Cebeci, Büşra; Köse, Kazım; Köse, Dursun Ali (Hitit Üniversitesi, 2017)Catalase is a metalloenzyme. Contains Cu(II) as the metal ion. It is a detoxification agent for the H2O2 compound and protects tissues and cells from oxidative damage [1]. Cryogels are synthetic materials generally used ... -
Poly(HEMA-co-AA) microparticles for removal of aluminum: The reason for Alzheimer's
Yüce, Murat; Bilgin, Elif; Köse, Kazım; Erol, Kadir; Köse, Dursun Ali (Taylor and Francis Inc., 2017)Aluminum is one of the most toxic metals causing a variety of neurologic diseases, especially Alzheimer's disease. It is impossible to avoid contact with aluminum because of its existence in food to medications. Therefore, ... -
Reducing lactose content of milk from livestock and humans via lactose imprinted poly(2-hydroxyethyl methacrylate-N-methacryloyl-L-aspartic acid) cryogels
Erol, Kadir; Arslan Akveran, Gönül; Köse, Kazım; Köse, Dursun Ali (Walter De Gruyter Gmbh, 2021)Lactase, which can cause lactose intolerance in its deficiency, is a vital enzyme concerning digestion. To overcome lactose intolerance for patients with digestion problem depending of this kind of issue, lactose in food ... -
Synthesis and characterization of Ag+-decorated poly(glycidyl methacrylate) microparticle design for the adsorption of nucleic acids
Erol, Kadir; Uzunoğlu, Aytekin; Köse, Kazım; Sarıca, Büşra; Avcı, Emre; Köse, Dursun Ali (Elsevier B.V., 2018)In this study, we report on the adsorption of RNA and DNA molecules by exploiting the high binding affinity of these nucleic acids to Ag+ ions anchored on magnetic poly(glycidyl methacrylate) (PGMA) microparticles. PGMA ... -
Synthesis, characterization and antibacterial application of silver nanoparticle embedded composite cryogels
Erol, Kadir; Bolat Bülter, Melda; Tatar, Demet; Nigiz, Cengiz; Köse, Dursun Ali (Elsevier, 2020)Water treatment applications; they consist of processes that desalination, softening, removals of dissolved organic matter, color, particle and microorganism. In traditional treatment processes, microorganisms cause thick ... -
Use of amino acid-based polymeric material for isolation of a protein from poison
Erol, Kadir; Köse, Kazım; Güngüneş, Hakan; Köse, Dursun Ali (Elsevier B.V., 2017)Melittin is a small protein with 126 amino acid residues which exists in the bee and snake venom. In this study, the Fe(II)-Ni(II) double-salt incorporated poly(2-hydroxyethyl methacrylate-N-methacryloyl-L-aspartic acid), ... -
Use of nicotinamide decorated polymeric cryogels as heavy metal sweeper
Bilgin, Elif; Erol, Kadir; Köse, Kazım; Köse, Dursun Ali (Springer Verlag, 2018)Cryogels are synthetic polymers used in adsorption experiments in recent years. Because of their macropores, they provide an excellent advantage as an adsorbent in continuous and batch adsorption processes. In this study, ...