| 摘要 |
A device and method is disclosed for improving the detection of a ligand by a receptor by concentrating microbes by removing particulates from fluid-borne samples and/or causing selective aggregation of concentrated microbes. The device may be configured as a multipath valve capable purifying/concentrating a sample in one orientation and delivering the concentrated sample in another orientation. In one embodiment, the device includes a body that defines a plurality of chambers and pathways and supports a pathogen capture unit that houses a receptor that exhibits specificity for a ligand. In another embodiment, the capture unit houses a plurality of antibody coated generally spherical particles capable of binding to a ligand.
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