Yazar "Özkan, Elvan Hasanoğlu" için listeleme
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EFFICIENT DETERMINATION AND PESTICIDE CONTROL BY MEANS OF IMMOBILIZATION OF ACETYLCHOLINESTERASE
Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Gümüş, Murat; Sarı, Nursen; Dişli, Ali (Soc Chemists Technologists Madeconia, 2017)Supports involving tetrazole (o/m/p-F-Tet-1H) were prepared to detect pesticides. This novel tetrazole including fluorine in different positions was attached to nanoparticles (2AEPS-(o/m/p-F-Tet-1H)) by a condensation ... -
Enzyme immobilization on polymeric microspheres containing Schiff base for detection of organophosphate and carbamate insecticides
Nartop, Dilek; Yetim, Nurdan Kurnaz; Özkan, Elvan Hasanoğlu; Sarı, Nursen (Elsevier, 2020)In this study, polymeric microsphere including Schiff base TrisPS-pyr and TrisPS-pyr-Pt(II) were obtained by condensation reaction for improve the enzymatic properties of acetylcholinesterase (AChE) and detect harmful ... -
Influence of load on the recycling stability of nanospheres attached platinium ion for determination of glucose
Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Nartop, Dilek; Sarı, Nursen (Elsevier Science Inc, 2015)New nanospheres have been prepared with Pt2+ and Pt4+ for compare enzymatic properties of glucose oxidase enzyme (GOx). In this study nanoparticles, (aminomethyl)polystyrene (APS), 2-hydroxy-5-methylbenzaldehyde and ... -
New Nanospheres to Use in the Determination of Imidan Phosmet and Vantex Pesticides
Karmaz, Emre; Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Sarı, Nursen Barutcuoğlu (Springer, 2021)In this study, the usability of AChE immobilized nanospheres (NSs) was investigated to identify Imidan Phosmet and Vantex pesticides. Accordingly, (2AEPS-SalBr) coded nanosphere was synthesized in result of condensation ... -
Novel polymeric microspheres: Synthesis, enzyme immobilization, antimutagenic activity, and antimicrobial evaluation against pathogenic microorganisms
Nartop, Dilek; Demirel, Birtane; Güleç, Murat; Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Sarı, Nursen; Ağar, Güleray (Wiley, 2020)New polymeric microspheres containing azomethine (1a-1c and 2a-2c) were synthesized by condensation to compare the enzymatic properties of the enzyme glucose oxidase (GOx) and to investigate antimutagenic and antimicrobial ... -
Polimerik Nanoküreler Üzerine Enzim İmmobilizasyonu ve Optimizasyonu
Enzimler, pek çok endüstride kullanılan, maliyetleri oldukça yüksek olan önemli materyallerdir. Katalitik tepkimelerde enzimler için şartlar uygun olsa bile yüksek sıcaklık, yüksek veya düşük pH ve organik/inorganik ... -
Preparation of AChE immobilized microspheres containing thiophene and furan for the determination of pesticides by the HPLC-DAD method
Yetim, Nurdan Kurnaz; Özkan, Elvan Hasanoğlu; Özcan, Cemile; Sarı, Nursen (Elsevier, 2020)In this study, acetylcholinesterase (AChE) enzyme immobilized polymeric microspheres were prepared to detect the dichlorvos (DDVP: 2,2-dichlorovinyl dimethyl phosphate) and the chlorpyrifos (O, O-Diethyl 0-3,5,6-trichlor ... -
Research on the Repeated Use of Novel Ferrocene-Tagged Nanomaterial for Determination of Glucose
Yetim, Nurdan Kurnaz; Özkan, Elvan Hasanoğlu; Danis, Busra; Tümtürk, Hayrettin; Sarı, Nursen (Taylor & Francis As, 2015)A good novel double ferrocene-tagged nanomaterial is designed for glucose determination and its recycling stability. Double Ferrocene-tagged nanomaterial displays higher catalytic activity toward the glucose oxidation than ...