Nanogen Issued Patent for Electronic Microarray With Memory

Nanogen, Inc., developer of advanced diagnostic products, announced today that it was issued U.S. Patent No. 6,867,048, "Multiplexed Active Biologic Array" by the U.S. Patent and Trademark Office. The '048 patent relates to a method of addressing one or more electrodes (or "test sites") across multiple rows and columns of a microarray. The patent also covers a method for storing the value of the voltage associated with each electrode in a local memory. This "smart chip" technology is a key feature of Nanogen's NanoChip 400 electronic microarray, the company's second generation multi-purpose system for developing and performing molecular diagnostic tests.