Patent ID: 8709825
Filing Date: 2014-04-29
Classification: A01N,C12N,C12Q,G01N,Y10T

Abstract:
1. A nozzle for use in flow cytometry apparatus for analyzing particles in a fluid stream, said fluid stream comprising a sheath stream surrounding a core stream containing said particles, said nozzle comprising: a nozzle having an interior surface defining a flow path for said fluid stream, and an orifice for exit of the fluid stream from the nozzle; a sample injection needle disposed within the nozzle; and a baffle plate located downstream of the sample injection needle in the nozzle positioned in said flow path upstream from said orifice for deflecting the fluid stream as it moves along said flow path, the baffle plate and interior surface of the nozzle being configured to orient the particles in a desired orientation as they exit the orifice.