Flagan, Richard C. (2005) Cross-flow differential migration classifier. Patent number: US6905029B2. https://resolver.caltech.edu/CaltechAUTHORS:20150909-172243719
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PDF (US Patent Application no. US20040050756A1)
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Abstract
A method, system, apparatus, and article of manufacture provide a cross-flow migration classifier capable of separating particles. The classifier provides a channel through which a sample, having one or more particles, passes in a first direction, wherein the channel comprises two or more walls that are permeable to a flow of fluid. A cross-flow enters the channel through one of the permeable walls and exits through another of the permeable walls. An imposed field is applied in a second direction that is counter to the cross-flow and having an orthogonal component to the first direction. The imposed field causes one or more of the particles to migrate at a first velocity opposite and/or equal to a second velocity of the cross-flow. The particles that migrate opposite to the cross-flow are continuously discharged from the cross-flow migration classifier.
| Item Type: | Patent | |||||||||
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| Patent Classification: | Current U.S. Class: 209/210; 209/142; 209/143; 210/223; 210/644; 210/748.01; 95/28; 95/58; 95/71; 95/78; 96/3; 96/52; 96/64. Current CPC Class: B01D 21/0009 (20130101); B03C 3/36 (20130101); B03C 1/035 (20130101). Current International Class: B01D 21/00 (20060101); B03C 1/02 (20060101); B03C 1/035 (20060101); B03C 3/36 (20060101); B03C 3/34 (20060101); B01D 061/00 (); B07B 007/00 (). | |||||||||
| Patent Assignee: | California Institute of Technology | |||||||||
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| Additional Information: | Publication number US6905029B2. Publication type Grant. Publication date June 14, 2005 . Application number US20040050756A1. Filing date August 29, 2003. Priority date September 12, 2002. Parent Case Text: CROSS-REFERENCE TO RELATED APPLICATIONS. This application claims the benefit under 35 U.S.C. Section 119(e) of the following co-pending and commonly-assigned U.S. provisional patent application(s), which is/are incorporated by reference herein: Provisional Application Ser. No. 61/295,643, filed on Jan. 15, 2010, by Nicholas Brunelli, Konstantinos P. Giapis, Richard C. Flagan, Jesse L. Beauchamp, and Evan Neidholdt, entitled "CONTINUOUS FLOW MOBILITY CLASSIFIER INTERFACE WITH MASS SPECTROMETER". | |||||||||
| Record Number: | CaltechAUTHORS:20150909-172243719 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150909-172243719 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 60159 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Irina Meininger | |||||||||
| Deposited On: | 02 Mar 2016 19:19 | |||||||||
| Last Modified: | 03 Oct 2019 08:54 |
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