A method for the imaging of a particular volume of plant or animal tissue, wherein the plant or animal tissue contains at least one photo-active molecular agent. The method comprises the steps of treating the particular volume of the plant or animal tissue with light sufficient to promote a simultaneous...http://www.google.com/patents/US7346387?utm_source=gb-gplus-sharePatent US7346387 - Methods for improved selectivity in photo-activation and detection of molecular diagnostic agents