Issue 21, 2024

Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

Abstract

Graphene quantum dot (GQD) integration into hydrogel matrices has become a viable approach for improving drug delivery and bioimaging in cancer treatment in recent years. Due to their distinct physicochemical characteristics, graphene quantum dots (GQDs) have attracted interest as adaptable nanomaterials for use in biomedicine. When incorporated into hydrogel frameworks, these nanomaterials exhibit enhanced stability, biocompatibility, and responsiveness to external stimuli. The synergistic pairing of hydrogels with GQDs has created new opportunities to tackle the problems related to drug delivery and bioimaging in cancer treatment. Bioimaging plays a pivotal role in the early detection and monitoring of cancer. GQD-based hydrogels, with their excellent photoluminescence properties, offer a superior platform for high-resolution imaging. The tunable fluorescence characteristics of GQDs enable real-time visualization of biological processes, facilitating the precise diagnosis and monitoring of cancer progression. Moreover, the drug delivery landscape has been significantly transformed by GQD-based hydrogels. Because hydrogels are porous, therapeutic compounds may be placed into them and released in a controlled environment. The large surface area and distinct interactions of graphene quantum dots (GQDs) with medicinal molecules boost loading capacity and release dynamics, ultimately improving therapeutic efficacy. Moreover, GQD-based hydrogels’ stimulus-responsiveness allows for on-demand medication release, which minimizes adverse effects and improves therapeutic outcomes. The ability of GQD-based hydrogels to specifically target certain cancer cells makes them notable. Functionalizing GQDs with targeting ligands minimizes off-target effects and delivers therapeutic payloads to cancer cells selectively. Combined with imaging capabilities, this tailored drug delivery creates a theranostic platform for customized cancer treatment. In this study, the most recent advancements in the synergistic use of GQD-based hydrogels are reviewed, with particular attention to the potential revolution these materials might bring to the area of cancer theranostics.

Graphical abstract: Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

Article information

Article type
Review Article
Submitted
04 Jän 2024
Accepted
23 Apr 2024
First published
25 Apr 2024

J. Mater. Chem. B, 2024,12, 5039-5060

Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

M. H. Akmal, M. Y. Kalashgrani, S. M. Mousavi, V. Rahmanian, N. Sharma, A. Gholami, R. H. Althomali, M. M. Rahman and W. Chiang, J. Mater. Chem. B, 2024, 12, 5039 DOI: 10.1039/D4TB00024B

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