A fluorescence detecting system detects auto fluorescence emitted from an intrinsic pigment in a part of an organism to be observed. An excitation light source projects onto the part to be observed excitation light in the wavelength range which can excite the intrinsic pigment of the organism to emit...http://www.google.ca/patents/US6002137?utm_source=gb-gplus-sharePatent US6002137 - Fluorescence detecting system
