Patent ID: 8334109
Filing Date: 2012-12-18
Classification: G01N

Abstract:
1. A reagent for blood analysis, said reagent comprising: (1) a compound having the general formula I: wherein R R X is CH Y is —CH—CH═C—, are each independently R R Z wherein the compound of formula I is present in a concentration of from about 0.01 ppm to about 1000 ppm and configured to permit detection of erythroblasts and basophils; and (2) at least one surfactant selected from cationic surfactants and nonionic surfactants, wherein the cationic surfactant is selected from quaternary ammonium salt-type cationic surfactants having the following general formula II: wherein R R R B is a halogen atom; and the nonionic suractant is selected from at least one of the following: octylphenylpolyoxyethylene ether, polyoxyethylene(10)cetyl ether, polyoxyethylene(23)cetyl ether, polyoxyethylene(25)cetyl ether and polyoxyethylene(30)cetyl ether; wherein the at least one surfactant is present in a concentration of from about 50 mg/L to about 5000 mg/L and is configured to lyse erythrocytes.