DOYLESTOWN, PA -- (MARKET WIRE) -- May 01, 2007 -- QuantRx® Biomedical Corporation (OTCBB: QTXB), an emerging leader in the research and development of medical diagnostic platforms and products, today announced that Anthony Burgess-Cassler, Ph.D., has been named senior scientist at the QuantRx Corporate Research Center in Portland, Oregon. Dr. Burgess-Cassler brings to QuantRx more than a dozen years of experience as a researcher and consultant in the field of in vitro diagnostic testing. He reports to Cynthia E. Horton, QuantRx Vice President-Diagnostics.