thylakoid membrane based photo-bioelectrochemical fuel cells generating high photocurrent via photosynthesis

ÇEVİK, Emre | ÇARBAŞ, Buket | ŞENEL, Mehmet | YILDIZ, Hüseyin Bekir

In this study, a photo-bioelectrochemical fuel cell was constructed for photocurrent generation by illuminating the electrodes within an aqueous solution. In this purpose, gold electrode was coated with poly 4-(4H-Dithieno [3,2-b:2′,3′-d]pyrol-4-yl) aniline, P(DTP-Ph-NH2) conductive polymer ﬁ lm by using electrochemical polymerization. Then, P(DTP-Ph-NH2) conductive polymer ﬁ lm coated surface was electrochemically modi ﬁ ed with cytochrome C which covalently linked onto the surface via bis-aniline functionality of the polymer ﬁ lm and formed crosslinked-structure. The thylakoid membrane was a ...Daha fazlası

Makale 2018 Biosensors and Bioelectronics (Elsevier) 9 Görüntülenme

Construction of ferrocene modified conducting polymer based amperometric urea biosensor

DERVISEVIC, Muammer | DERVISEVIC, Esma | ŞENEL, Mehmet | ÇEVİK, Emre | YILDIZ, Hüseyin Bekir | ÇAMURLU, Pınar

Herein, an electrochemical urea sensing bio-electrode is reported that has been constructed by ﬁ rstly electropolymerizing 4-(2,5-Di(thiophen-2-yl)-1H-pyrrol-1-yl)aniline monomer (SNS-Aniline) on Pencil Graphite Electrode (PGE), then modifying the polymer coated electrode surface with di-amino-Ferrocene (DAFc) as the mediator, and lastly Urease enzyme through glutaraldehyde crosslinking. The e ﬀ ect of pH, temperature, polymer thickness, and applied potential on the electrode current response was investigated besides performing storage and operational stability experiments with the interferenc ...Daha fazlası

Makale 2017 Enzyme And Microbial Technology (Elsevier) 4 Görüntülenme

Novel amperometric xanthine biosensor based on xanthine oxidase immobilized on electrochemically polymerized 10-[4H-dithieno(3,2-b:2′,3′-d)pyrrole-4-yl]decane-1-amine film

DERVISEVIC, Muamer | DERVISEVIC, Esma | AZAK, Hacer | ÇEVİK, Emre | ŞENEL, Mehmet | YILDIZ, Hüseyin Bekir

In this paper, a novel amperometric xanthine (X) biosensor is constructed by xanthine oxidase (XOx) immobilization on the pencil graphite electrode (PGE). Xanthine oxidase is immobilized using glutaraldehyde (GA) on the electrochemically polymerized conducting polymer film. The detection of xanthine is based on its consumed amount due to the enzymatic reaction of xanthine oxidase. The effects of polymer thickness, applied potential, pH, and temperature were investigated and optimum parameters were found to be five cycles, +5 V, +0.5 V and 30 °C, respectively. Storage stability, operation stabi ...Daha fazlası

Makale 2016 Elsevier 4 Görüntülenme

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