Method and apparatus for measuring particle characteristics through mass detection
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United States of America Patent
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May 12, 2015
Grant Date -
Feb 20, 2014
app pub date -
Dec 4, 2011
filing date -
Oct 11, 2006
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Abstract
Method for measuring a target particle property. A suspended microchannel resonator is calibrated to determine the relationship between a detected mass and a resonance frequency shift of the resonator. The target particle is suspended in a fluid and introduced into the resonator, and the resonator frequency shift due to the particle is measured. Target particle mass is calculated from the resonator frequency shift, the target particle density, and the fluid density. A target particle property such as size or volume is determined from the calculated target particle mass.
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