Fig. 5From: Microneedle-mediated nanomedicine to enhance therapeutic and diagnostic efficacyCopyright 2021, Springer Nature. c. Schematic of the theragnostic Au/Mn nano-system with multi-mode targeted imaging. Reproduced with permission [118]. Copyright 2023, Elsevier. d. Preparation process and schematic of the portable MOF hydrogel glucose sensor. PAA: poly(acrylic acid). Adapted with permission [103]. Copyright 2022, American Chemical SocietyApplications of nanomaterials in imaging and diagnostics. a. Structure of PAtrace. b. Spectral feature of PAtrace compared with ICG, deoxyhemoglobin (HHb), and oxyhemoglobin (HbO2). Adapted with permission[38]. Back to article page