Document Detail

Composite planar electrode for sensing electrochemical oxygen demand.
MedLine Citation:
PMID:  18190806     Owner:  NLM     Status:  MEDLINE    
This work reports on the development of a graphite-polystyrene composite electrode of planar configuration, containing silver(II) oxide and copper(II) oxide catalysts (AgO-CuO), for the measurement of electrochemical oxygen demand (EOD). Optimisation studies of the composite composition as well as conditions for its processing on planar substrates and generation of an appropriate electrochemical active area resulted in the scalable fabrication of robust composite electrodes. These were evaluated with glucose as target analyte. They showed competitive low limits of detection in a linear concentration range from 5 mgL(-1) to 1400 mgL(-1) of O(2). Besides, they were stable for at least one year. The determination of EOD in wastewater samples coming from production lines of parenteral food and winemaking was successfully carried out.
Jahir Orozco; César Fernández-Sánchez; Ernest Mendoza; Mireia Baeza; Francisco Céspedes; Cecilia Jiménez-Jorquera
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-11-29
Journal Detail:
Title:  Analytica chimica acta     Volume:  607     ISSN:  1873-4324     ISO Abbreviation:  Anal. Chim. Acta     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-14     Completed Date:  2008-01-25     Revised Date:  2008-03-06    
Medline Journal Info:
Nlm Unique ID:  0370534     Medline TA:  Anal Chim Acta     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  176-82     Citation Subset:  IM    
Instituto de Microelectrónica de Barcelona, CNM-IMB (CSIC), Universitat Autònoma de Barcelona, Campus UAB, 08193 Bellaterra, Barcelona, Spain.
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MeSH Terms
Copper / chemistry
Electrochemistry / instrumentation*,  methods
Glucose / chemistry
Oxides / chemistry
Oxygen / chemistry*
Silver Compounds / chemistry
Waste Management
Reg. No./Substance:
0/Oxides; 0/Silver Compounds; 1317-38-0/cupric oxide; 20667-12-3/disilver oxide; 50-99-7/Glucose; 7440-50-8/Copper; 7782-44-7/Oxygen
Erratum In:
Anal Chim Acta. 2008 Mar 24;611(2):250

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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