Silver-Coated Microneedles (IMAGE) North Carolina State University Caption This scanning electron micrograph shows an array of silver-coated microneedles with antimicrobial properties. Credit Dr. Roger Narayan, North Carolina State University Usage Restrictions Photo credit must be given. License Licensed 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.