U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Wavelength dispersion electrophoresis apparatus

Patent 4832815 Issued on May 23, 1989. Estimated Expiration Date: Icon_subject October 18, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Inventors

Assignee

Application

No. 07/259311 filed on 10/18/1988

US Classes:

204/612, With detailed detection system (e.g., including a light source and a camera, etc.)204/618, Vertical or inclined356/344BY ELECTROPHORESIS

Examiners

Primary: Niebling, John F.
Assistant: Starsiak, John S. Jr.

Attorney, Agent or Firm

International Classes

G01N 27/447 (20060101)
G01N 21/64 (20060101)

Foreign Application Priority Data

1987-10-30 JP

Abstract

In a wavelength dispersion electrophoresis apparatus which detects fluorescences of unequal wavelengths emitted from the samples of DNA, RNA or the like labeled with a plurality of fluorophores, a direct-vision prism (14) is interposed between a two-dimensional fluorescence detector (7) and an electrophoretic plate (17) in order to separate and discriminate the emission wavelengths of the respective fluorophores. The direct-vision prism (14) is disposed for the wavelength dispersion of the fluorescences in this manner, whereby the fluorescences of the individual wavelengths can be separated and detected at a high sensitivity by a simple mechanism and without distorting a fluorescence image.

Other References

  • Smith, L. M. et al., "Fluorescence Detection in Automated DNA Sequence Analysis" Nature vol. 321 (Jun. 12, 1986) pp. 674-679
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