An apparatus and method to provide rapid and sensitive quantitative analysis of mixtures by obtaining combined fluorescence wavelength and fluorescence lifetime information, the apparatus having a pulsed light source that induces fluorescence in the sample, the pulses being of a repetitive nature, of...http://www.google.ca/patents/US20020158211?utm_source=gb-gplus-sharePatent US20020158211 - Multi-dimensional fluorescence apparatus and method for rapid and highly sensitive quantitative analysis of mixtures