University of North Florida
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Contact Info

Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Email: schalk@unf.edu
Website: @unf

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Electrode

Classification: Electrode -> bacteria modified

Citations 2

"Chemometrical Studies On Mixture Analysis With A Single Dynamic Microbial Sensor"
Sens. Actuat. B 1997 Volume 44, Issue 1-3 Pages 286-290

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Michael Slama, Christiane Zaborosch*, Dietrich Wienke and Friedrich Spener

Abstract: A bacterial pure culture of Alcaligenos eutrophus KT02 was immobilized and integrated as a sensor in an amperometrical flow-through system ('dynamic microbial sensor'). The sensor showed characteristic time dependent responses in oxygen consumption for different pure organic analytes. Chemometrical data analysis revealed that the responses are additive and linear concerning single analytes and mixtures, Simultaneous multicomponent analysis of a binary mixture of acetate and gluconate was realized by using only a single dynamic microbial sensor.
Organic compounds Partial least squares Chemometrics Multicomponent

"Simple Flow Injection Analysis System For Determination Of Added Sugars In Dairy Products"
J. Dairy Res. 1998 Volume 65, Issue 4 Pages 675-680

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EDUARDO CORTÓN a and GUILLERMO LOCASCIO

Abstract: A microbial sensor based on a carbon dioxide electrode coupled with immobilized Saccharomyces cerevisiae (baker's yeast) was used for the determination of sucrose in dairy products. The sensor was used as the detector in a flow injection analysis system. Calibration curves for sucrose were established from 1 to 100 g/L. Determinations for several dairy products containing added sucrose gave good agreement with the concentrations given by manufacturers. Typically, the standard error of the method was shown to be <5% of the calculation mean.
Sugars Sucrose Food Apparatus Detector