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An organic nanocomposite-based sensor was fabricated to detect Escherichia coli (E. coli) in water. The organic molecule with receptor groups for detection was selected such that the receptor group would bind to the functional groups on the cell wall of the E. coli. The conductivity change of the sensor due to the interaction of E. coli is monitored. The sensor is tested for detecting E. coli cell...
Organic molecule based sensor for detection of aldehydes is fabricated and tested. Organic molecules chemiresistor sensors are low cost sensors and operate at low temperature. The sensing element of the chemiresistor fabricated is a blend of o-phenylene diamine (OPD)-carbon black (CB) nanocomposite. The selectivity of the sensor to volatile organic compounds — aldehyde, ketone and alcohol is studied...
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