SAN DIEGO--(BUSINESS WIRE)--Nanogen, Inc. (Nasdaq:NGEN), developer of advanced diagnostic products, will host a conference call on Wednesday, May 9, 2007, at 5:00 p.m. Eastern (2:00 p.m. Pacific) to discuss 2007 first quarter financial results. The financial results press release will be issued at close of market on May 9. Interested investors and others may participate in the conference call by dialing 888-396-2298 for US/Canada participants and 617-847-8708 for international participants. The conference ID will be 41568035.