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 efficient bioelectrochemical devices: Improved electricity production from cyanobacteria (Leptolyngbia sp.) based on π‐conjugated conducting polymer/gold nanoparticle composite interfaces

ÇEVİK, Emre | BÜYÜKHARMAN, Mustafa | YILDIZ, Hüseyin Bekir

In this study, gold electrodes (GE) were coated with conducting polymers to obtain a high photocurrent using cyanobacteria from a novel bioelectrochemical fuel cell. For this purpose, 4‐(4H‐ditiheno[3,2‐b:2',3'‐d]pyrol‐4‐yl) aniline and 5‐(4H‐dithieno[3,2‐b:2',3'‐d]pyrol‐4‐yl) napthtalane‐1‐amine monomers were coated on GE by performing an electropolymerization process. After that, gold nanoparticles (AuNP) were specifically modified by 2‐mercaptoethane sulfonic acid and p‐aminothiophenol to attach to the electrode surface. The conducting polymers GE coat was modified with functionalized AuNP ...Daha fazlası

Makale 2019 Biotechnology And Bioengineering 6 Görüntülenme

Construction of an Amperometric Cholesterol Biosensor Based on DTP(aryl)aniline Conducting Polymer Bound Cholesterol Oxidase

ÇEVİK, Emre | CERİT, Alaaddin | GAZEL, Nilay | YILDIZ, Hüseyin Bekir

In this study, an amperometric cholesterol biosensor was constructed based on cholesterol oxidase immobilized on a conducting 4-(4H-dithienol[3,2-b:2’,3’d]pyrrole-4)aniline polymer, (DTP(aryl)aniline). Glassy carbon electrodes were covered with P(DTP(aryl)aniline) which is used for the wiring of enzyme to the electrode surface by using electro-polymerization. The electron transfer was successfully made by the bio-catalytic activity and possession of the unique morphology of the polymer allowed efficient immobilization of the cholesterol oxidase enzyme. Analytical performances, linear range, de ...Daha fazlası

Makale 2018 Electroanalysis (Wiley) 10 Görüntülenme

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