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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Adv Mater. 2021 Apr 30;33(23):e2006582. doi: 10.1002/adma.202006582

Figure 4 -. Optical Hydrogel Fibers:-.

Figure 4 -

a | Step-Index Optical Hydrogel Fiber Light Guiding due to refractive index differences b |Light Coupling and Guidance through an engineered hydrogel optical fiber. Adapted with permission from ref. [59]. Copyright 2016, Wiley c| Core-Clad light-guiding across 3D Gelatin matrixes and d| Porcine Tissue. Adapted under the terms of CC-BY license from ref. [66] Copyright 2017, the authors. e| In Vitro Hydrogel Optical Fiber for Glucose Sensing. Adapted under the terms of CC-BY license from ref.[66] Copyright 2017, the authors. f| In Vivo hydrogel optical fiber implementation and Oxygen Level Real-Time Detection. Reproduced with permission from ref. [65] Copyright 2015, Wiley.