The invention relates to the fabrication and use of biosensors comprising a plurality of optical fibers each fiber having attached to its "sensor end" biological "binding partners" (molecules that specifically bind other molecules to form a binding complex such as antibody-antigen, lectin-carbohydrate,...http://www.google.com.au/patents/US6417506?utm_source=gb-gplus-sharePatent US6417506 - High density array fabrication and readout method for a fiber optic biosensor