The present disclosure discloses a reagent for differentiating and counting leukocytes which includes: (1) cationic cyanine compounds selected from those having the following general formulae I and II; (2) cationic surfactants selected from those having the following general formulae III, IV and/or V;...http://www.google.com/patents/US20100151509?utm_source=gb-gplus-sharePatent US20100151509 - REAGENT, KIT AND METHOD FOR DIFFERENTATING AND COUNTING LEUKOCYTES
