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.

Date of Patent:
Apr. 24, 2012

Filed:

Jan. 28, 2011
Applicants:

Yanmei Qiao, Nanshan, CN;

Bing Liu, Nanshan, CN;

Xiangping Meng, Nanshan, CN;

Wenjuan Xu, Nanshan, CN;

Mulong Liu, Nanshan, CN;

Inventors:

Yanmei Qiao, Nanshan, CN;

Bing Liu, Nanshan, CN;

Xiangping Meng, Nanshan, CN;

Wenjuan Xu, Nanshan, CN;

Mulong Liu, Nanshan, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/48 (2006.01); C12N 5/078 (2010.01);
U.S. Cl.
CPC ...
Abstract

A reagent for four-part differentiation of white blood cells is provided. In one embodiment the reagent has an osmolality below 50 mOsm/kg HO. A method for differentiating white blood cells using the reagent is also provided. The disclosure provides for a rapid lysis of red blood cells and four-part differentiation of white blood cells. The reagent may be simple in components and a surfactant is not necessary, but optional. A wide range of pH values may be suitable for the reagent.


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