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A constant phase element sensor for monitoring microbial growth

Authors
Journal
Sensors and Actuators B Chemical
0925-4005
Publisher
Elsevier
Publication Date
Volume
119
Issue
1
Identifiers
DOI: 10.1016/j.snb.2005.12.011
Keywords
  • Constant Phase Element (Cpe)
  • Microbial Growth
  • Phase Sensitive Detector
  • Yeast Culture
  • Spoilage Of Milk

Abstract

Abstract The construction and performance of a novel constant phase element (CPE) sensor for monitoring microbial growth has been reported in this paper. The signal conditioning circuit measures the changes in the phase angle of the impedance characteristics of the probe. The major advantages of the measurement system developed are the simplicity of the construction of the probe and ease in measurement. It is proposed that the sensor can be effectively used for monitoring bacterial and yeast growth.

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