Biofilm on microelectrode array (IMAGE) University of California - San Diego Caption A community of bacteria known as a biofilm (orange) is shown growing on a microelectrode array (black circles). This newly developed device allows the selective stimulation of one type of bacterial cell around a microelectrode (green track). Credit Credit: Süel Lab, UC San Diego Usage Restrictions Must be used in conjunction with Cell Systems paper on electrical shocks on biofilms. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.