A blood analyzing instrument includes a single transducer for simultaneously measuring the DC volume, RF conductivity, light scattering and fluorescence characteristics of blood cells passing through a cell-interrogation zone. Preferably, the transducer includes an electro-optical flow cell which defines...http://www.google.com/patents/US6228652?utm_source=gb-gplus-sharePatent US6228652 - Method and apparatus for analyzing cells in a whole blood sample
Method and apparatus for analyzing cells in a whole blood sample