Fig. 1: AgNP Solutions (image) Science China Press Share Print E-Mail Caption Depicts visual colors of AgNP solutions (0.45 nmol/L) incubated with different PNA12 concentrations (0-1.2 μmol/L) and absorption spectra of corresponding solutions. Credit ©Science China Press Usage Restrictions None Share Print E-Mail 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.