环境监测用便携式嵌入式传感器系统进行细菌浓度检测

2017 7th IEEE International Workshop on Advances in Sensors and Interfaces (IWASI) Pub Date : 2017-06-01 DOI:10.1109/IWASI.2017.7974263

M. Grossi, B. Riccò, C. Parolin, B. Vitali

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引用次数: 11

摘要

由于高微生物污染或特定病原体的存在会严重危害人体健康，因此细菌浓度的检测在不同领域都很重要。测量细菌浓度的参考技术是标准平板计数(SPC)，然而，它有很长的响应时间(24至72小时)，不适合自动实施。本文介绍了一种基于阻抗微生物学的便携式嵌入式细菌浓度测量系统，该系统适合于现场测量，并且不需要经过培训的人员。对接种不同浓度的埃希氏菌的样品进行了试验，结果表明该体系的响应与SPC的结果具有很好的相关性(R2 = 0.9185)。

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Bacterial concentration detection using a portable embedded sensor system for environmental monitoring

The detection of bacterial concentration is important in different fields since high microbial contamination or the presence of particular pathogens can seriously endanger human health. The reference technique to measure bacterial concentration is Standard Plate Count (SPC) that, however, has long response times (24 to 72 hours) and is not suitable for automatic implementation. This paper presents a portable embedded system for bacterial concentration measurement based on Impedance Microbiology that is suitable for in-situ measurements and does not require trained personnel. The system has been tested with samples inoculated with different concentrations ot Escherichia cott and its response correlates very well (R2 = 0.9185) with results from SPC.

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2017 7th IEEE International Workshop on Advances in Sensors and Interfaces (IWASI)

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