期刊
MATERIALS TODAY
卷 52, 期 -, 页码 112-132出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mattod.2022.01.001
关键词
3D bioprinting; Responsive biomaterials; Bioinks; Printability; Bioactivity
资金
- Drexel University Sponsored Research Grant [260676]
- National Natural Science Founda-tion of China [52105306]
- Higher Education Discipline Innovation Project (111 Project) [B17026]
- Tsinghua University Faculty Start-up Fund [012-53330200421]
This review discusses the applications of responsive biomaterials in 3D bioprinting. The article reviews the recent advances, commonly used strategies, and bioink formulation strategies of responsive biomaterials. It also explores promising applications of bioprinting with responsive biomaterials, such as bioprinting in a supporting bath, 4D bioprinting, and bioprinting controlled drug delivery systems. The review concludes with future perspectives on the design and development of novel bioinks based on responsive biomaterials and technological innovations.
Three-dimensional (3D) bioprinting enables a controlled deposition of cells, biomaterials, and biological compounds (i.e., bioinks) to build complex 3D biological models, biological living systems, and therapeutic products. Developing responsive biomaterials as novel bioinks has been a central focus of research in the field of bioprinting because of their controllable material properties in response to printing-induced external or internal stimuli. In this review, we highlight the most recent advances of responsive biomaterials for 3D bioprinting applications. We review commonly used stimuli-responsive biomaterials and strategies for utilizing multifunctional responsiveness to achieve desirable printability, structural formability, cell viability, and construct bioactivity for 3D bioprinting. We also summarize major bioink formulation strategies currently adopted in 3D bioprinting. We subsequently discuss several promising applications of 3D printing involving responsive biomaterials, such as bioprinting in a supporting bath, 4D bioprinting, and bioprinting new controlled drug delivery systems. Future perspectives on the design and development of novel multifunctional bioinks based on responsive biomaterials and technological innovations are also presented.
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