Fig. 5From: Basic amino acid-mediated cationic amphiphilic surfaces for antimicrobial pH monitoring sensor with wound healing effectsWorkability of potentiometric pH sensor. (a) Schematic illustration of design of pH-monitorable wound healing devices to monitor wound status. (b) Image of pH sensor device on human skin. (c) Potentiometric analysis of pH sensors at various pH. (d) Stabilization time measurement of pH sensor. (e) Workability test of pH sensor on normal and bacterial suspension-contaminated human skinBack to article page