Micro-reactor for observing particles in a fluid
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United States of America Patent
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Oct 20, 2015
Grant Date -
Apr 28, 2011
app pub date -
Oct 26, 2010
filing date -
Oct 26, 2009
priority date (Note) -
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Abstract
A micro-reactor is provided for observing small particles, cells, bacteria, viruses or protein molecules in a fluid. The micro-reactor includes a first channel for containing the fluid and a second channel adjacent to the first channel. A gap connects the first channel and the second channel and a window transparent to the method of inspection is provided at the gap. A static or dynamic gradient, such as a gradient in concentration of a chemical or biological material, in pressure, in temperature, in electric potential, or in magnetic field, is applied across the gap, thereby causing the particles to cross the gap. By detecting a property of the particles upstream in the first channel and then applying a pressure burst over the channels when the property meets certain pre-set criteria, only selected particles can be placed in the gap.
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