Patent ID: 7314751

Claim:
A fluorescence detection system for detecting predetermined materials in a sample fluid, comprising: A. a photonic band gap structure characterized by a photonic band gap, and including an internal surface that defines a core region; wherein said internal surface of said photonic band gap structure is coated with a film formed of a plurality of molecules, said core region being adapted to receive a sample fluid therein; B. an optical source for generating excitation light characterized by a wavelength outside said photonic band gap and directed to said core region; wherein said predetermined material is capable of interacting with at least one of said plurality of molecules whereby upon such interaction and in response to said excitation light, said at least one of said conjugated polymer molecules generates a fluorescent signal; and C. an optical detector for detecting said fluorescence signal; wherein said photonic band gap structure is adapted to guide said fluorescence signal through said core region and onto said detector for detection by said detector.