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Nanowire bar codes enable detection of biowarfare agents

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A team of researchers from California has introduced metallic-striped nanowires to aid in detecting biological warfare agents with optical reflectance and fluorescence imaging. As described in the group’s Angewandte Chemie manuscript published online Aug. 4, the nanowires were structured with submicron gold, silver and nickel layers and coated with antibodies that bound to fluorophore-tagged antigens in a solution. In both single and multiplex immunoassays, the team used three nonpathogenic antigens to represent a variety of biological warfare agents, from micron-size bacterial...Read full article

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    Published: September 2006
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