Emerging Biomedical Applications of Sustainable Cellulose Nanocrystal-Incorporated Hydrogels: A Scoping Review
Article
Article Title | Emerging Biomedical Applications of Sustainable Cellulose Nanocrystal-Incorporated Hydrogels: A Scoping Review |
---|---|
Article Category | Article |
Authors | Seneviratne, D., Whiteside, E., Windus, L., Burey, P., Ward, R. and Annamalai, P. |
Journal Title | Gels |
Journal Citation | 11 (9) |
Year | 2025 |
Digital Object Identifier (DOI) | https://doi.org//10.3390/gels11090740 |
Web Address (URL) | https://www.mdpi.com/2310-2861/11/9/740 |
Abstract | Cellulose nanocrystals (CNCs), derived from renewable cellulose sources, have emerged as a versatile class of nanomaterial with exceptional mechanical strength, tuneable surface chemistry and inherent biocompatibility. In the scenario of contemporary commercial hydrogel products, which are expensive and rely on synthetic materials, the sustainable origin and unique physicochemical properties have positioned CNCs as promising sustainable functional building blocks for next-generation hydrogels in biomedical applications. Over the past decade, CNC-based hydrogels have gained momentum as soft biomaterials capable of interacting with diverse tissue types, predominantly demonstrated through in vitro cell line studies. This review critically examines the current landscape of research on biomedical applications of CNC-based hydrogels, focusing on their biomedical utility across 22 systematically screened studies. It revealed applications spanning around bone and cartilage tissue engineering, wound healing, medical implants and sensors, and drug delivery. We highlight the predominance of microcrystalline cellulose as the CNC source and sulfuric acid hydrolysis as the preferred extraction method, with several studies incorporating surface modifications to enhance functionality. Despite growing interest, there remains a lack of data for transitioning towards human clinical studies and commercialisation. Hence, this review highlights the pressing need for scalable, sustainable, and affordable CNC-based hydrogel systems that can democratise access to advanced biomedical technologies. |
ANZSRC Field of Research 2020 | 400302. Biomaterials |
400399. Biomedical engineering not elsewhere classified | |
401807. Nanomaterials |
https://research.usq.edu.au/item/zzz66/emerging-biomedical-applications-of-sustainable-cellulose-nanocrystal-incorporated-hydrogels-a-scoping-review
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