NanoSensors Inc., a nanotechnology development company that develops instruments and sensors to detect explosives, chemical and biological agents, has completed the manufacture of the initial prototype of its planned product to detect e-coli. The product is based on the company's recently licensed nano-porous, silicon-based, biosensor technology to detect e-coli.

The proposed sensor comprises two core functional components: a disposable housing unit in which the actual sensor device is mounted and a separate, external data acquisition unit. The sensor device transmits signals via interconnecting electrical leads to the data acquisition unit that converts the signal to the appropriate format to display the results.

The first prototype of the disposable housing unit that holds the actual sensor device was built in October. The company has completed a series of design tests on the disposable housing unit and following certain design improvements the company now believes that it has a functional prototype.

In November, the NanoSensors initiated a second testing phase in order to test the interoperability between the housing unit and the data acquisition unit, which is the second core part of the proposed sensor. The first hardware prototype of the data acquisition unit was recently completed. Initial testing on the integration of the disposable housing and data acquisition unit has started, and to date, no design problems have arisen.

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