A low-cost, portable generic biotoxicity assay for environmental monitoring applications |
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Authors: | Sharma Vivek Narayanan Arthi Rengachari Thirumalai Temes Gabor C Chaplen Frank Moon Un-Ku |
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Institution: | Department of Electrical Engineering and Computer Science, 220A Owen Hall, Oregon State University, Corvallis, 97331 OR, USA. sharmavi@ece.orst.edu |
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Abstract: | Fish chromatophores have been shown to be promising biosensors for the detection of hostile agents in the environment. However, state-of-art methods for such applications are still based on extensive use of data/signal processing, in conjunction with need for a skilled human observer to carry out the detection. As a result, conventional methods are complex, costly and cumbersome rendering them useless for field applications requiring low-cost portable solutions capable of fast detection. A new technique is proposed based on the popular scheme of observing the aggregation response in chromatophores for detection of toxicity, and a solution using optical detection and electronic processing is outlined. This scheme has the advantage of being low in cost while providing simple, fast and reliable detection. |
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