Electrospun Nanofibers (IMAGE) Naval Research Laboratory Caption (Top) These are nylon fibers electrospun from solution containing 1 weight percent (wt%) of a biocidal quaternary ammonium salt additive. (Bottom) These are polycarbonate fibers electrospun from solution. Credit US Naval Research Laboratory Usage Restrictions None 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.