Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Reexamination Certificate
2005-02-22
2005-02-22
Cole, Monique T. (Department: 1743)
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
C436S180000, C436S052000, C436S053000, C436S179000, C422S105000
Reexamination Certificate
active
06858185
ABSTRACT:
Flow rates in a microfluidic device are modulated after performing serial dilutions by flow reduction channels that draw fluid from the main channel, thus reducing the flow rate. The reduction in flow rate and/or use of smaller dimension channels allow reduced reagent consumption. In addition, multiple flow reduction channels are used for multiple concentration measurements and for performing multiple assays simultaneously on a single sample. Also included are microfluidic devices and integrated systems for performing assays using serial dilutions, single pressure sources, multiple concentration measurements, and reduced reagent consumption. Devices comprising flow reduction channels are also used to suppress pressure perturbations from spontaneous injection.
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Chow Andrea W.
Kopf-Sill Anne R.
Poglitsch Claudia L.
Sundberg Steven A.
Caliper Life Sciences, Inc.
Cole Monique T.
McKenna Donald R.
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