A self-cleaning surface based on UV-activatable, AgCl micropumps for bacterial killing and removal
Peng Liu‡a, Kecheng Quan‡abc, Miaomiao Liu a, Huaguang Wang a, Henny C. van der Mei*b, Henk J. Busscher*b and Zexin Zhang *a（张泽新）
a College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
b University of Groningen and University Medical Center Groningen, Department of Biomedical Engineering, 9713 AV Groningen, The Netherlands
c School of Materials Science and Engineering, Peking University, Beijing 100871, P. R. China
‡ These authors contributed equally to this work
Chem. Commun., 2022, 58, 7030--7033
We report a self-cleaning, bacterial killing surface by immobilization of AgCl microparticles on a surface, acting as chemical micropumps. The surface shows a high bacterial killing efficacy of attached bacteria and exhibits sustainable removal of bacteria as a result of UV-activatable micropumping originating from the photocatalytic reaction of AgCl microparticles. Our work provides an advance in the sustainable use of bacterial contact-killing surfaces stricto sensu through removal of dead bacteria and debris that may shield contact-killing sites.
链接：//pubs.rsc.org/en/content/articlelanding/2022/CC/D2CC01343F
