Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate
2006-11-06
2011-10-18
Punnoose, Roy M (Department: 2886)
Optics: measuring and testing
Document pattern analysis or verification
Reexamination Certificate
active
08040494
ABSTRACT:
The present invention relates to devices and methods for the qualitative and/or quantitative detection of particles. In particular, the invention relates to devices for the detection of particles, comprising a reaction chamber formed within a chamber body between a first surface and a second surface, wherein the second surface is located opposite to the first surface, and one or more displacers, wherein the distance between the first surface and the second surface is variable via the one or more displacers at least in one or more parts of the surface area of the first surface and/or the second surface. The invention also relates to corresponding methods for the detection of particles, comprising positioning a sample supposed to comprise one or more species of particles to be detected in a reaction chamber, displacing at least a part of the sample within the reaction chamber via the one or more displacers; and detecting/determining a value indicative for the presence and/or number of one or more species of particles.
REFERENCES:
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patent: 0891811 (1999-01-01), None
patent: 2 803 225 (2001-07-01), None
patent: WO 03/015923 (2003-02-01), None
patent: WO 03/022435 (2003-03-01), None
Dongeun Huh et al: “Topical Review” Physiological Measurement, Institute of Physics Publishing, Bristol, GB, vol. 26, No. 3, Jun. 1, 2005, pp. R73-R98.
Dongeun, Huh, et al., “Microfluidics for flow cytometric analysis of cells and particles,”Institute of Physics Publishing Physiol. Meas. (2005) vol. 26 pp. R73-R98.
Bickel Ralf
Ermantraut Eugen
Schulz Torsten
Tuchscheerer Jens
Ullrich Thomas
Clondiag GmbH
Punnoose Roy M
Stepoe & Johnson LLP
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