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Fast-scan cyclic vo...
Fast-scan cyclic voltammetry and scanning electrochemical microscopy studies of the pH-dependent dissolution of 2-electron mediators immobilized on zirconium phosphate containing carbon pastes
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- Munteanu, Florentina (författare)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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Mosbach, M (författare)
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Schulte, A (författare)
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Schuhmann, W (författare)
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- Gorton, Lo (författare)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2002
- 2002
- Engelska.
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Ingår i: Electroanalysis. - 1040-0397. ; 14:21, s. 1479-1487
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A detailed study is presented on the leaking of two different 2-electron-transfer redox mediators from zirconium phosphate-modified carbon-paste electrodes. Two redox mediators commonly used in bioelectrochemistry, viz. methylene green and riboflavin, were adsorbed on zirconium phosphate and further integrated into carbon paste. Fast scan cyclic voltammetry and scanning electrochemical microscopy were used to characterize the leakage of these redox mediators at different pH conditions. It could be shown that an exposure to acidic pH-values significantly increased the rate of their leakage from the mediator-zirconium phosphate-modified carbon paste, whereas a tight adsorption was observed at neutral pH.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- carbon-paste electrodes
- modified
- zirconium phosphate
- leakage
- methylene green
- riboflavin
- fast-scan cyclic voltammetry
- scanning
- electrochemical microscopy (SECM)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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