Issue 35, 2021

Smart near infrared-responsive nanocomposite hydrogels for therapeutics and diagnostics

Abstract

Nanocomposite (NC) hydrogels are emerging biomaterials that possess desirable and defined properties and functions for therapeutics and diagnostics. Particularly, nanoparticles (NPs) are employed as stimulus-transducers in NC hydrogels to facilitate the treatment process by providing controllable structural change and payload release under internal and external simulations. Among the various external stimuli, near-infrared (NIR) light has attracted considerable interest due to its minimal photo-damage, deep tissue penetration, low auto-fluorescence in living systems, facile on/off switch, easy remote and spatiotemporal control. In this study, we discuss four types of transducing nanomaterials used in NIR-responsive NC hydrogels, including metal-based nanoparticles, carbon-based nanomaterials, polydopamine nanoparticles (PDA NPs), and upconversion nanoparticles (UCNPs). This review provides an overview of the current progress in NIR-responsive NC hydrogels, focusing on their preparation, properties, applications, and future prospects.

Graphical abstract: Smart near infrared-responsive nanocomposite hydrogels for therapeutics and diagnostics

Article information

Article type
Review Article
Submitted
30 اپریل 2021
Accepted
18 جوٗن 2021
First published
18 جوٗن 2021

J. Mater. Chem. B, 2021,9, 7100-7116

Smart near infrared-responsive nanocomposite hydrogels for therapeutics and diagnostics

K. Shen, C. Lu, C. Kuo, B. Li and Y. Yeh, J. Mater. Chem. B, 2021, 9, 7100 DOI: 10.1039/D1TB00980J

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