fig11

Figure 11. Representative design and applications of wearable hydrogel sensors for health monitoring. (A) demonstration of wearable sensor fabrication and sweat glucose detection^[337]. Copyright 2024, Elsevier; (B) Structure, applications, and multi-functions of aminophenylboronic acid grafted SA (Alg-PBA)/PVA/GOH hydrogels^[340]. Copyright 2024, Wiley-VCH; (C) The programmable microfluidic-assisted hydrogel patches^[345]. Copyright 2024, Wiley-VCH; (D) A soft edible triboelectric hydrogel sensor for infant motion monitoring^[346]. Copyright 2022, Wiley-VCH; (E) HOWS sensor featuring hydrogel optical waveguide with integrated wireless sensing and AI computing^[347]. Copyright 2025, Wiley-VCH. SA: Sodium alginate; PBA: 3-aminophenylboronic acid; PVA: poly(vinyl alcohol); GOH: hydroxylated graphene; HOWS: hydrogel-based optical waveguide stretchable; PEDOT:PSS: poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate); GOx: glucose oxidase; PDMS: polydimethylsiloxane; PEIE: polyethyleneimine; LPA: lignin-polyacrylamide; PAAM: polyacrylamide acrylamide.