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Enzyme electrode for aromatic compounds exploiting the catalytic activities of microperoxidase-11

  • Microperoxidase-11 (MR-11) which has been immobilised in a matrix of chitosan-embedded gold nanoparticles on the surface of a glassy carbon electrode catalyzes the conversion of aromatic substances. This peroxide-dependent catalysis of microperoxidase has been applied in an enzyme electrode for the first time to indicate aromatic compounds such as aniline. 4-fluoroaniline, catechol and p-aminophenol. The electrode signal is generated by the cathodic reduction of the quinone or quinoneimine which is formed in the presence of both MP-II and peroxide from the substrate. The same sensor principle will be extended to aromatic drugs.

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Author:Aysu Yarman, Artavazd BadalyanORCiDGND, Nenad Gajovic-Eichelmann, Ursula WollenbergerORCiDGND, Frieder W. SchellerORCiDGND
ISSN:0956-5663 (print)
Parent Title (English):Biosensors and bioelectronics : the principal international journal devoted to research, design development and application of biosensors and bioelectronics
Place of publication:Oxford
Document Type:Article
Year of first Publication:2011
Year of Completion:2011
Release Date:2017/03/26
Tag:4-Fluoroaniline; Aniline; Biosensors; Catechol; Microperoxidase-11; Nanoparticles; p-Aminophenol
First Page:320
Last Page:323
Funder:BMBF of Germany [0311993]; Deutsche Forschungsgemeinschaft (DFG) within the German Excellence Initiative [EXC 314]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie
Peer Review:Referiert