Capillaries for use in a multiplexed capillary electrophoresis system
Abstract
The invention provides a side-entry optical excitation geometry for use in a multiplexed capillary electrophoresis system. A charge-injection device is optically coupled to capillaries in the array such that the interior of a capillary is imaged onto only one pixel. In Sanger-type 4-label DNA sequencing reactions, nucleotide identification ("base calling") is improved by using two long-pass filters to split fluorescence emission into two emission channels. A binary poly(ethyleneoxide) matrix is used in the electrophoretic separations.
- Inventors:
-
- Ames, IA
- Silver Spring, MD
- Issue Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA; Iowa State Univ., Ames, IA (United States)
- OSTI Identifier:
- 871267
- Patent Number(s):
- 5695626
- Application Number:
- 08/667,950
- Assignee:
- Iowa State University Research Foundation (Ames, IA)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- W-7405-ENG-82
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- capillaries; multiplexed; capillary; electrophoresis; provides; side-entry; optical; excitation; geometry; charge-injection; device; optically; coupled; array; interior; imaged; pixel; sanger-type; 4-label; dna; sequencing; reactions; nucleotide; identification; base; calling; improved; long-pass; filters; split; fluorescence; emission; channels; binary; poly; ethyleneoxide; matrix; electrophoretic; separations; multiplexed capillary; pass filters; capillary electrophoresis; dna sequencing; optically coupled; fluorescence emission; pass filter; sequencing reactions; side-entry optical; split fluorescence; base calling; binary poly; long-pass filters; optical excitation; nucleotide identification; charge-injection device; electrophoretic separations; injection device; emission channels; excitation geometry; electrophoretic separation; sequencing reaction; /204/
Citation Formats
Yeung, Edward S, Chang, Huan-Tsang, and Fung, Eliza N. Capillaries for use in a multiplexed capillary electrophoresis system. United States: N. p., 1997.
Web.
Yeung, Edward S, Chang, Huan-Tsang, & Fung, Eliza N. Capillaries for use in a multiplexed capillary electrophoresis system. United States.
Yeung, Edward S, Chang, Huan-Tsang, and Fung, Eliza N. Wed .
"Capillaries for use in a multiplexed capillary electrophoresis system". United States. https://www.osti.gov/servlets/purl/871267.
@article{osti_871267,
title = {Capillaries for use in a multiplexed capillary electrophoresis system},
author = {Yeung, Edward S and Chang, Huan-Tsang and Fung, Eliza N},
abstractNote = {The invention provides a side-entry optical excitation geometry for use in a multiplexed capillary electrophoresis system. A charge-injection device is optically coupled to capillaries in the array such that the interior of a capillary is imaged onto only one pixel. In Sanger-type 4-label DNA sequencing reactions, nucleotide identification ("base calling") is improved by using two long-pass filters to split fluorescence emission into two emission channels. A binary poly(ethyleneoxide) matrix is used in the electrophoretic separations.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {1}
}
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