Clarence Lew resumes & CV records
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Clarence Lew DeceasedVista, CA
Clarence Lew Phones & Addresses
Vista, CA
Poway, CA
Los Angeles, CA
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Us Patents
Serial Sample Injection In Capillary Electrophoresis
US Patent:
7179357, Feb 20, 2007
Filed:
Oct 25, 2002
Appl. No.:
10/280360
Inventors:
Clarence Lew - Irvine CA, US
David L. Yang - Orange CA, US
David L. Yang - Orange CA, US
Assignee:
Beckman Coulter, Inc. - Fullerton CA
International Classification:
G01N 27/26
US Classification:
204453, 204455, 204605
Abstract:
The invention is a method of performing electrophoresis that increases sample throughput and increases the efficiency and speed of the analysis of polynucleotides by electrophoresis. The method is performed by loading and running multiple sequential samples on each capillary gel without flushing or replacing the gel between samples.
Glycan Sample Preparation
US Patent:
2019022, Jul 25, 2019
Filed:
Feb 15, 2019
Appl. No.:
16/277218
Inventors:
- Brea CA, US
Clarence Lew - Irvine CA, US
Marton Szigeti - Budapest, HU
Csaba Varadi - Karcsa, HU
Clarence Lew - Irvine CA, US
Marton Szigeti - Budapest, HU
Csaba Varadi - Karcsa, HU
International Classification:
G01N 35/00
C08B 37/00
C08B 37/00
Abstract:
The present teachings relate to methods, systems, and kits for the preparation, purification and/or analysis of a glycan or glycoconjugate, and specifically to a magnetic bead based sample preparation protocol that can enable full automation and reduced sample preparation time relative to current methods of glycoanalysis. In some aspects, the sample preparation protocol can provide for glycoconjugate capture, glycan release, fluorescent derivatization, and glycan purification for subsequent capillary electrophoresis, liquid chromatography, or other glycoanalytical method without requiring time-consuming sample preparation steps such as centrifugation or vacuum-centrifugation.
Glycan Sample Preparation
US Patent:
2017004, Feb 16, 2017
Filed:
Apr 27, 2015
Appl. No.:
15/307113
Inventors:
- Brea CA, US
Clarence Lew - Irvine CA, US
Marton Szigeti - Budapest, HU
Csaba Varadi - Karcsa, HU
Clarence Lew - Irvine CA, US
Marton Szigeti - Budapest, HU
Csaba Varadi - Karcsa, HU
International Classification:
G01N 35/00
C08B 37/00
C08B 37/00
Abstract:
The present teachings relate to methods, systems, and kits for the preparation, purification and/or analysis of a glycan or glycoconjugate, and specifically to a magnetic bead based sample preparation protocol that can enable full automation and reduced sample preparation time relative to current methods of glycoanalysis. In some aspects, the sample preparation protocol can provide for glycoconjugate capture, glycan release, fluorescent derivatization, and glycan purification for subsequent capillary electrophoresis, liquid chromatography, or other glycoanalytical method without requiring time-consuming sample preparation steps such as centrifugation or vacuum-centrifugation.
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