Microchip electrophoretic method and apparatus

Details Microchip electrophoretic method and apparatus Microchip electrophoretic method and apparatus

1997-10-14

2000-03-28

Beisner, William H.

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204602, 204603, 356344, G01N 2726, G01N 27447

Patent

active

060427086

ABSTRACT:
In order to irradiate a constant range of a separation passage of a microchip, light from a light source linearly extending along the separation passage is transmitted through a cylindrical lens and a bandpass filter and introduced into the separation passage. The light transmitted through the separation passage of the microchip is introduced into a photocell array through a cylindrical lens and detected. Measurement is repetitively performed and accumulated to determine migration patterns.

REFERENCES:
patent: 5061362 (1991-10-01), Gordon
patent: 5395502 (1995-03-01), Pawliszyn
patent: 5627643 (1997-05-01), Birnbaum et al.
patent: 5784154 (1998-07-01), Pawliszyn
FAN Z. H. et al. "Micromachining of Capillary Electrophoresis injectors and seperators on glass Chips and Evaluation of Flow at Capillary Intersections" Analytical Chemistry, vol. 66, No. 1-Jan. 1. 1994, pp. 177-184.
ZHU R. et al. "Post-Column Reaction System for Fluorescence Detection in Capillary Elecrophoresis" Journal of Chromatography-vol. 716, No.1, Nov. 17, 1995, pp. 123-126.

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