Effect of Surface Wettability Transition on the Antibacterial Performance of PDMS

Superhydrophobic antibacterial surfaces are poised for widespread application within the biomedical sector. Leveraging the transition factor theory, this study presents a method to integrate microstructural designs with the functionality on PDMS surfaces. A synergistic approach utilizing nanosecond laser micromachining alongside acid treatment ensures the stability and integrity of the superhydrophobic properties. The precision adjustment of microfeature dimensions notably enhances the antibacterial efficacy by minimizing bacterial adhesion. This innovation in medical device surface engineering could substantially reduce hospital-acquired infections while elevating the strategic defense against microbial threats in healthcare. Assistant devices with such precision-optimized surfaces hold promise as a clinical advancement, potentially offering a robust barrier against nosocomial infections.