| 摘要 |
A combined impedance and fluorescence particle detection system including an optically transmissive plate having an orifice for the flow of particles therethrough, a light source which operably directs light on a particle at the orifice, and a light detector positioned so as to detect light which is emitted by the particle, and wherein the plate acts as a waveguide to direct light along part of its path between the light source and light detector.
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