Kurum Yazarı "Teke, Mustafa" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Antibiofilm and anti-quorum sensing activities of polyethylene imine coated magnetite and nickel ferrite nanoparticles
Ceylan, Özgür; Tamfu, Alfred Ngenge; İspirli Doğaç, Yasemin; Teke, Mustafa (Springer Science and Business Media Deutschland GmbH, 2020)This study was aimed at synthesizing polyethyleneimine-coated magnetic nanoparticles and evaluating their effect on pathogenic bacteria. Polyethyleneimine-coated magnetite (PEIMnF) and nickel ferrite (PEINF) nanoparticles ... -
A comparative study for lipase immobilization onto alginate based composite electrospun nanofibers with effective and enhanced stability
Doğaç, Yasemin İspirli; Deveci, Ilyas; Mercimek, Bedrettin; Teke, Mustafa (Elsevier, 2017)In this study, lipase was successfully immobilized on polyvinyl alcohol/alginate and polyethylene oxide/alginate nanofibers that were prepared by electrospinning. Results showed that nanofibers (especially polyvinyl ... -
DEVELOPMENT OF A NEW BIOSENSOR FOR DETERMINATION OF CATALASE ACTIVITY
Teke, Mustafa (Taylor & Francis Inc, 2014)Catalase is one of the major antioxidant enzymes that catalyzes the hydrolysis of H2O2. The aim of this study was to suggest a new method for the assay of catalase activity. For this purpose, an amperometric biosensor based ... -
Fabrication of electrospun cellulose-derived nanofiber membranes with enhanced stability properties of arginase
Işık, Ceyhun; Teke, Mustafa (TUBITAK, 2022)In this study, cellulose acetate (CA)/polyvinylpyrrolidone (PVP) and CA/PVP/Mn2+ nanofibers were produced by the electrospinning method, and these cellulose-derived membranes were used as carriers for arginase immobilization ... -
Improving of Catalase Stability Properties by Encapsulation in Alginate/Fe3O4 Magnetic Composite Beads for Enzymatic Removal of H2O2
Doğaç, Yasemin İspirli; Çınar, Mürvet; Teke, Mustafa (Taylor & Francis Inc, 2015)The aim of this study was enhancing of stability properties of catalase enzyme by encapsulation in alginate/nanomagnetic beads. Amounts of carrier (10-100 mg) and enzyme concentrations (0.25-1.5 mg/mL) were analyzed to ... -
Milk lactose removal by β-galactosidase immobilized on eggshell membrane
Kızıldağ, Selen; Işık, Ceyhun; Teke, Mustafa (Springer Science and Business Media Deutschland GmbH, 2023)Eggshell membrane (ESM) is used in immobilization studies due to its large surface area, non-toxicity and biodegradability. In this study, β-galactosidase was immobilized on ESM using the adsorption and cross-linking method. ... -
A new bioremediation method for removal of wastewater containing oils with high oleic acid composition:Acinetobacter haemolyticuslipase immobilized on eggshell membrane with improved stabilities
Işık, Ceyhun; Saraç, Nurdan; Teke, Mustafa; Uğur, Aysel (Royal Society of Chemistry, 2021)As a result of the increasing demand for edible oils, which are an important part of human nutrition, in recent years, serious environmental problems may arise both during the production and after consumption of these oils. ... -
Synthesis and Characterisation of Biocompatible Polymer-Conjugated Magnetic Beads for Enhancement Stability of Urease
Doğaç, Yasemin İspirli; Teke, Mustafa (Springer, 2016)We reported natural polymer-conjugated magnetic featured urease systems for removal of urea effectively. The optimum temperature (20-60 A degrees C), optimum pH (3.0-10.0), kinetic parameters, thermal stability (4-70 A ... -
Synthesis and Characterization of Chitosan/TiO2 Composite Beads for Improving Stability of Porcine Pancreatic Lipase
Deveci, İlyas; Doğac, Yasemin İspirli; Teke, Mustafa; Mercimek, Bedrettin (Humana Press Inc, 2015)The purpose of the present work is improving stability properties of porcine pancreatic lipase (triacylglycerol lipase, E.C.3.1.1.3) by immobilization on chitosan/TiO2 composite beads. The immobilization parameters were ... -
TiO2 beads and TiO2-chitosan beads for urease immobilization
Doğaç, Yasemin İspirli; Deveci, İlyas; Teke, Mustafa; Mercimek, Bedrettin (Elsevier Science Bv, 2014)The aim of the present study is to synthesize TiO2 beads for urease immobilization. Two different strategies were used to immobilize the urease on TiO2 beads. In the first method (A), urease enzyme was immobilized onto ... -
Urease immobilized core–shell magnetic Fe[NiFe]O4/alginate and Fe3O4/alginate composite beads with improved enzymatic stability properties: removal of artificial blood serum urea
İspirli Doğaç, Yasemin; Teke, Mustafa (Springer, 2021)The present study consists of the preparation of core–shell magnetic carriers with alginate and magnetic nanoparticles (Fe3O4 and Fe[NiFe]O4) using for these carriers (MA—magnetite alginate and NFA—nickel ferrite alginate) ... -
Urease immobilized electrospun PVA/chitosan nanofibers with improved stability and reusability characteristics: an application for removal of urea from artificial blood serum
Kutlu, Nur; Doğaç, Yasemin İspirli; Deveci, Ilyas; Teke, Mustafa (Taylor & Francis Inc, 2020)Electrospun polyvinyl alcohol (PVA)/Chitosan nanofibers were successfully prepared and were used as carriers for the first time in urease immobilization. Also, urease immobilized electrospun PVA/Chitosan nanofibers were ...