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Citation: ZHAO Limin, JIA Jianbo, LIU Changyu. Application of Rapid Biochemical Oxygen Demand Biosensor[J]. Chinese Journal of Applied Chemistry, ;2012, 29(7): 819-823. doi: 10.3724/SP.J.1095.2012.00493 shu

Application of Rapid Biochemical Oxygen Demand Biosensor

1.
a Changchun Environmental Monitoring Center, Changchun 130022, China;
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b Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: LIU Changyu,
Received Date: 9 November 2011
Available Online: 29 January 2012

Multiple-species BODseed was used for fabricating biochemical oxygen demand(BOD) biosensors for rapid online BOD determination.Some factors to accuracy were studied such as calibration solution selection,sample self-biodegradation,and thermostatic device.Good results were obtained when wastewater was used as calibration solution instead of glucose and glutimic acid(GGA).The self-biodegradation process made the rapid measurements inaccurate.Besides,thermostatic device used only for biosensors is defective,and it should be applied for maintaining a constant temperature of the samples and buffer,promoting the efficiency and accuracy of online monitoring.
- biochemical oxygen demand,
- biosensor,
- thermostatic device,
- online,
- calibration solution
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