A method, apparatus, and set of compositions are disclosed for calibrating a bio-photonic scanner. The scanner detects selected molecular structures of tissues, nondestructively, in vivo. The apparatus may include a computer, including processor and memory connecting to the scanner, including an illuminator...http://www.google.com.au/patents/US7365839?utm_source=gb-gplus-sharePatent US7365839 - Process and compositions for synthetic calibration of bio-photonic scanners