Breathable, Antibacterial, and Biocompatible Collagen Fiber Network Decorated with Zwitterionic Silver Nanoparticles for Plantar Pressure Monitoring

• DOI: 10.1021/acsami.2c01972
• Publication Date: 2022-04-27T02:53:02Z
• Authors: Jun Xiang; Ruiquan Yu; Luming Yang; Peng Zhao; Rui Wang; Xiaodong Wu; Biyu Peng; Gongyan Liu
• Keywords: Biocompatibility; Biocompatible material; Smart material

Foot plantar pressure monitoring and gait analysis are of great significant in footwear design, sport biomechanics, injury prevention, early warning disease. Flexible wearable smart insoles pave a feasible way for these application scenarios. However, the majority currently developed composed synthetic polymers (e.g., plastics, rubbers, etc.), leading to inevitable problems associated with air permeability, hygiene condition, biocompatibility, wearing comfort. Here, new paradigm natural collagen fiber network (CFN) soft breathable features, which can be obtained by facilely treating animal hides via conventional leather pretreatment process, is selected as substrate material constructing due its high permeability porosity. Further, biocompatible zwitterionic silver nanoparticles (AgNPs) both carboxybetaine catechol groups on interface were designed firmly uniformly immobilization onto hierarchical micro-/nanoscale fibers CFN through mussel-inspired catechol/amino chemistry, giving rise good antibacterial property sensing capability resultant material. The finally insole using AgNPs decorated exhibits mapping feature analysis. Especially, will very suitable diabetic foot sensitive skin that requires environment.