Characterization of microbial membranes used for the estimation of biochemical oxygen demand with a biosensor

E. Galindo, J. L. García, L. G. Torres, R. Quintero

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

A bacterial mixed culture was immobilized in Millipore filters to construct microbial-membranes for BOD determination using an oxygen electrode. The biosensor response was best when 0.5 mg cells were immobilized per cm2 of membrane, at 30°C, pH 7 and 0.05 M phosphate buffer. Reproducible microbial-membranes can be constructed and they can be stored for up to 20 days without appreciable loss of their response characteristics.

Original languageEnglish
Pages (from-to)399-404
Number of pages6
JournalBiotechnology Techniques
Volume6
Issue number5
DOIs
StatePublished - Sep 1992
Externally publishedYes

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