Issue 8, 2024

Microgels for bioprinting: recent advancements and challenges

Abstract

Microgels have become a popular and powerful structural unit in the bioprinting field due to their advanced properties, ranging from the tiny size and well-connected hydrogel (nutrient) network to special rheological properties. Different microgels can be fabricated by a variety of fabrication methods including bulk crushing, auxiliary dripping, multiphase emulsion, and lithography technology. Traditionally, microgels can encapsulate specific cells and are used for in vitro disease models and in vivo organ regeneration. Furthermore, microgels can serve as a drug carrier to realize controlled release of drug molecules. Apart from being used as an independent application unit, recently, these microgels are widely applied as a specific bioink component in 3D bioprinting for in situ tissue repair or building special 3D structures. In this review, we introduce different methods used to generate microgels and the microgel-based bioink for bioprinting. Besides, the further tendency of microgel development in future is introduced and predicted to provide guidance for related researchers in exploring more effective ways to fabricate microgels and more potential bioprinting application cases as multifunctional bioink components.

Graphical abstract: Microgels for bioprinting: recent advancements and challenges

Article information

Article type
Review Article
Submitted
23 Okt. 2023
Accepted
29 Dec. 2023
First published
08 Janv. 2024

Biomater. Sci., 2024,12, 1950-1964

Microgels for bioprinting: recent advancements and challenges

M. Xie, J. Wang, S. Wu, S. Yan and Y. He, Biomater. Sci., 2024, 12, 1950 DOI: 10.1039/D3BM01733H

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