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General purpose, field-portable cell-based biosensor platform
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DOI：10.1016/S0956-5663(01)00169-5.png)
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摘要
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There are several groups of researchers developing cell-based biosensors for chemical and biological warfare agents based on electrophysiologic monitoring of cells. ln order to transition such sensors from the laboratory to the field, a general-purpose hardware and software Platform is required. This paper describes the design, implementation, and field-testing of such a system, consisting of cell-transport and data acquisition instruments. The cell-transport module is a self-contained, battery-powered instrument that allows various types of cell-based modules to be maintained at a preset temperature and ambient CO, level while in transit or in the field. The data acquisition module provides 32 channels of action potential amplification, filtering, and real-time data streaming to a laptop computer, At present, detailed analysis of the data acquired is carried out off-line, but sufficient computing power is available in the data acquisition module to enable the most useful algorithms to eventually be run real-time in the field. Both modules have sufficient internal power to permit realistic field-testing, such as the example presented in this paper. (C) 2001 Elsevier Science B.V. All rights reserved.
Keyword:
extracellular recording
portable
biosensor
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