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PubMed · 12782465

Co-immobilized microbial biosensor for BOD estimation based on sol-gel derived composite material.

Jianbo Jia·Mingyu Tang·Xu Chen·Li Qi·Shaojun Dong
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Abstract

A novel type of biochemical oxygen demand (BOD) biosensor was developed for water monitor, based on co-immobilizing of Trichosporon cutaneum and Bacillus subtilis in the sol-gel derived composite material which is composed of silica and the grafting copolymer of poly (vinyl alcohol) and 4-vinylpyridine (PVA-g-P(4-VP)). Factors that influence the performance of the resulting biosensor were examined. The biodegradable substrate spectrum could be expanded by the co-immobilized microorganisms. The biosensor prepared also exhibited good reproducibility and long-term stability. Good agreement was obtained between the results of the sensor BOD measurement and those obtained from conventional BOD(5) method for water samples.

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Bacillus subtilisBiosensing TechniquesCells, ImmobilizedCoculture TechniquesElectrochemistryHydrogen-Ion ConcentrationIndustrial WasteManufactured MaterialsOxygenOxygen ConsumptionPhase TransitionPolyvinyl AlcoholPyridinesReproducibility of ResultsSensitivity and SpecificitySilicon DioxideTrichosporonWater Pollutants, ChemicalComparative StudyEvaluation StudyJournal ArticleResearch Support, Non-U.S. Gov'tValidation Study

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Jianbo Jia, Mingyu Tang, Xu Chen, Li Qi, Shaojun Dong. 2003-08-01. Co-immobilized microbial biosensor for BOD estimation based on sol-gel derived composite material.. https://doi.org/10.1016/s0956-5663(02)00225-7

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