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Aptamer-based Biosensor screens Air Force personnel and equipment

cell is currently designed for one-time use. Since the cell is sealed, it can be decontaminated by immersion in a bleach solution and then safely transported to a forensic laboratory for further analysis where it can be opened to retrieve the sample material.

A liquid crystal display, or LCD, provides a quantitative readout of the concentration of targeted material present, and a set of red, yellow, and green light emitting diodes provides an easily interpreted reading of the threat level. For instance, "no threat" is green, a barely detectable to medium level of an agent is one or two yellow dots, and a high detection level is red.

The biosensor system is designed to be reliable, disposable and cost-effective. The Air Force will continue testing the device over the next several months.


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Source:DOE/Pacific Northwest National Laboratory


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