Microscale sensor element and related device and method of use
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United States of America Patent
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Aug 30, 2005
Grant Date -
Jan 15, 2004
app pub date -
Jun 24, 2003
filing date -
Mar 20, 2002
priority date (Note) -
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Abstract
A monitoring apparatus useful in detecting viability of biological cells. A substrate defines a microscopic chamber. One or more microcantilevers extend from the substrate into the chamber. A detector is operatively connected to the microcantilevers for sensing a state of deformation thereof. On each microcantilevers is deposited a layer of an environmentally sensitive hydrogel polymer having a configuration changing in accordance with presence of an environmental parameter.
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