An Acetylcholinesterase Biosensor Based on a Conducting Polymer Using Multiwalled Carbon Nanotubes for Amperometric Detection of Organophosphorous Pesticides

Date

2015-06-14

Author

Kesik, Melis
Ekiz Kanık, Fulya
Turan, Janset
Kolb, Marit
Timur, Suna
Bahadır, Müfit
Toppare, Levent Kamil

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URI

https://hdl.handle.net/11511/72378

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An acetylcholinesterase biosensor based on a conducting polymer using multiwalled carbon nanotubes for amperometric detection of organophosphorous pesticides Kesik, Melis; Kanik, Fulya Ekiz; Turan, Janset; Kolb, Marit; TİMUR, SUNA; Bahadir, Muefit; Toppare, Levent Kamil (2014-12-15) A novel amperometric biosensor based on a conducting polymer using multi walled carbon nanotube modified electrode was developed for detection of organophosphorus pesticides. Acetylcholinesterase (AChE) was successfully immobilized by covalent linkage on the modified graphite electrode. Carbon nanotubes were functionalized by electrochemical treatment. A conducting polymer; poly(4-( 2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)benzenamine) (poly( SNS-NH2)) was synthesized via electropolymerization to examine its ma...
An amperometric acetylcholine biosensor based on a conducting polymer Kanik, Fulya Ekiz; Kolb, Marit; TİMUR, SUNA; Bahadir, Muefit; Toppare, Levent Kamil (Elsevier BV, 2013-08-01) An amperometric acetylcholine biosensor was prepared by the generation of the conducting polymer poly(4-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)benzenamine) (poly(SNS-NH2)) on graphite electrodes. For pesticide detection, the enzymes acetylcholinesterase (AChE) and choline oxidase (ChO) were co-immobilized onto the conducting polymer poly(SNS-NH2) films using covalent binding technique. Electrochemical polymerization was carried out using a three-electrode cell configuration via cyclic voltammetry. Characteri...
A Novel Acetylcholinesterase Biosensor: Core-Shell Magnetic Nanoparticles Incorporating a Conjugated Polymer for the Detection of Organophosphorus Pesticides Cancar, Hurija Dzudzevic; SÖYLEMEZ, Saniye; AKPINAR, Yeliz; KESİK, Melis; Goker, SEZA; Günbaş, Emrullah Görkem; Volkan, Mürvet; Toppare, Levent Kamil (American Chemical Society (ACS), 2016-03-30) To construct a sensing interface, in the present work, a conjugated polymer and core shell magnetic nano particle containing biosensor was constructed for the pesticide analysis. The monomer 4,7-di(furan-2-yl)benzo [c] [1,2,5]-thiadiazole (FBThF) and core shell magnetic nanoparticles were designed and synthesized for fabrication of the biosensing device. The magnetic nanoparticles were first treated with silica and then modified using carboxyl groups, which enabled binding of the biomolecules covalently. Fo...
A DNA-free colorimetric probe based on citrate-capped silver nanoparticles for sensitive and rapid detection of coralyne Usta, Hatice Muge; Forough, Mehrdad; Persil Çetinkol, Özgül (Elsevier BV, 2019-11-01) This paper presents a simple, sensitive and reliable strategy for the colorimetric determination of coralyne (COR) using citrate-capped silver nanoparticles (Cit-AgNPs). In the presence of NaC1, COR induces the aggregation of Cit-AgNPs, resulting in a change of color from shinny yellow to pink. Significant variables affecting the proposed method (salt concentration, interaction time, interaction temperature and pH) were evaluated and optimized to achieve the maximum sensing performance. Optimal conditions w...
An amperometric glucose biosensor platform containing carbon nanotubes-zinc phthalocyanine and a conducting polymer Büber, Ece; Yüzer, Abdulcelil; Söylemez, Saniye; Kesik, Melis; İnce, Mine; Toppare, Levent Kamil (2017-05-21)

Citation Formats

M. Kesik et al., “An Acetylcholinesterase Biosensor Based on a Conducting Polymer Using Multiwalled Carbon Nanotubes for Amperometric Detection of Organophosphorous Pesticides,” 2015, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/72378.