The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6955872 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 18, 2005

Filed:

Mar. 20, 2003
Applicants:

John A. Maples, Miami, FL (US);

Lidice L. Lopez, Miami, FL (US);

Nancy Torke, Miami, FL (US);

Inventors:

John A. Maples, Miami, FL (US);

Lidice L. Lopez, Miami, FL (US);

Nancy Torke, Miami, FL (US);

Assignee:

Coulter International Corp., Miami, FL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q001/68 ;
U.S. Cl.
CPC ...
Abstract

A composition for enhancing differential staining of RNA, DNA and granules in a sample comprising cells contains a first fluorescent dye that can bind specific binding sites and non-specific binding sites in the sample. This first dye emits fluorescence at a first wavelength. The composition contains at least an additional component, which is a second non-intercalating dye in the composition that competes with said first dye for binding to the nonspecific binding sites, or a permeabilizing agent to enhance permabilization of the dyes into the cells, or both. The molar ratio of the second dye and the first dye is at least about 20:1.


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Maples, John. (2005). Dye compositions which provide enhanced differential fluorescence and light scatter characteristics (U.S. Patent No. 6955872). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6955872

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