Results 301 to 310 of about 82,055 (340)

Direct Electrochemistry of Proteins and Enzymes

1991
Publisher Summary This chapter discusses direct electrochemistry of metalloproteins and redox enzymes. The electron transport chain is composed of a number of electron transfer complexes firmly bound to the biological membrane, and electron-carrying groups in these complexes are flavins, iron–sulfur clusters, heme groups, and copper ions.
Liang-Hong Guo, H. Allen, O. Hill
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Direct electrochemistry of cholesterol oxidase on MWCNTs

Journal of Electroanalytical Chemistry, 2011
Abstract The direct electrochemistry of cholesterol oxidase (ChOx) was achieved on the surface of graphite electrode by immobilizing positively charged ChOx and negatively charged multi walled carbon nanotubes through electrostatic interaction using layer-by-layer technique. Two sets of well defined redox peaks were observed in cyclic voltammogram of
Revanasiddappa Manjunatha, Dodahalli Hanumantharayudu Nagaraju, Gurukar Shivappa Suresh, Jose Savio Melo, Stanislaus F. D’Souza, Thimmappa Venkatarangaiah Venkatesha   +5 more
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Impact electrochemistry for biosensing: advances and future directions

The Analyst
This minireview summarizes the recent advancements in impact electrochemistry-based biosensing over the past two to three years and provides insights into the future directions of this field.
Jian-Hua Zhang, Dian-Mei Song, Yi-Ge Zhou   +2 more
openaire   +2 more sources

Direct electrochemistry of hemoglobin immobilized in CuO nanowire bundles

Talanta, 2010
It is one of main challenges to find the suitable materials to enhance the direct electron transfer between the electrode and redox protein for direct electrochemistry field. Nano-structured metal oxides have attracted considerable interest because of unique properties, well biocompatibility, and good stability. In this paper, the copper oxide nanowire
Yueming, Li, Qian, Zhang, Jinghong, Li
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Direct electrochemistry and spectroelectrochemistry of osmium substituted horseradish peroxidase

Bioelectrochemistry, 2009
In this contribution the substitution of the central protoporphyrin IX iron complex of horseradish peroxidase by the respective osmium porphyrin complex is described. The direct electrochemical reduction of the Os containing horseradish peroxidase (OsHRP) was achieved at ITO and modified glassy carbon electrodes and in combination with spectroscopy ...
Loew, Noya, Wollenberger, Ursula (Prof. Dr.), Scheller, Frieder W., Katterle, Martin   +3 more
openaire   +3 more sources

Construction and direct electrochemistry of orientation controlled laccase electrode

Biochemical and Biophysical Research Communications, 2014
A laccase has multiple redox centres. Chemisorption of laccases on a gold electrode through a polypeptide tag introduced at the protein surface provides an isotropic orientation of laccases on the Au surface, which allows the orientation dependent study of the direct electrochemistry of laccase.
Ying, Li, Jiwei, Zhang, Xirong, Huang, Tianhong, Wang   +3 more
openaire   +2 more sources

Direct Electrochemistry of Proteins and Enzymes

2005
Publisher Summary This chapter summarizes the achievements on direct electron transfer (DET) between redox enzymes and electrodes, with a special focus on haem and copper-containing redox enzymes. Haem enzymes involve peroxidases, catalases, cytochromes of the P450 group, and a variety of multi-cofactor complex enzymes that contain haem(s), along ...
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Direct electrochemistry of an [FeFe]-hydrogenase on a TiO2 Electrode

Chemical Communications, 2011
[FeFe]-hydrogenases are efficient natural catalysts that can be exploited for hydrogen production. Immobilization of the recombinant [FeFe]-hydrogenase CaHydA was achieved for the first time on an anatase TiO(2) electrode. The enzyme is able to interact and exchange electrons with the electrode and to catalyze hydrogen production with an efficiency of ...
MORRA, SIMONE, VALETTI, Francesca, SADEGHI, JILA, King PW, Meyer T, GILARDI, Gianfranco   +5 more
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Direct electrochemistry of hemoglobin in the hyaluronic acid films

Journal of Biochemical and Biophysical Methods, 2007
Hemoglobin (Hb) in the hyaluronic acid (HA) was cast at pyrolytic graphite (PG) electrodes for researching its electrochemical and electrocatalytic properties. The formal potential and electron transfer rate constant of Hb on HA films were determined, and the stability of the films, the pH effect, and the influence of supporting electrolyte ...
Ling, Ma, Yanni, Tian, Zhijiang, Rong
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ChemInform Abstract: Direct Electrochemistry of Proteins and Enzymes

ChemInform, 1991
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
L.‐H. GUO, H. A. O. HILL
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