Development of latent fingerprints (IMAGE) Diamond Light Source Caption Development of latent fingerprints. Representative images on stainless steel are shown, illuminated by and viewed under visible light (a) before development and (b) after development with MCM-41@Ch@DnsGly NPs. Corresponding images generated by illumination with UV light (λex = 365 nm) after MCM-41@Ch@DnsGly NP development are shown on (c) stainless steel, (d) glass, (e) plastic and (f) unfired brass cartridge case substrates. Credit RSC Advances Usage Restrictions With this release 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.