Dispensing-Based Bioprinting of Hybrid Scaffolds with Vessel-like Channels for Tissue Engineering Applications – A Brief Review

Contributors:
  1. Md Sarker
  2. Mohammad Izadifar
  3. Xiongbiao Chen

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Description: Over the past two decades, significant progress has been achieved in the field of tissue engineering (TE) to restore/repair damaged tissues or organs and, in this regard, scaffolds made from biomaterials have played a critical role. Notably, recent advances in biomaterials and three-dimensional (3D) printing have enabled the manipulation of two or more biomaterials of distinct, yet complementary, mechanical and/or biological properties to form so-called hybrid scaffolds mimicking native tissues. Among various biomaterials, hydrogels synthesized to incorporate living cells and/or biological molecules have dominated due to their hydrated tissue-like environment. Moreover, dispensing-based bioprinting has evolved to the point that it can now be used to create hybrid scaffolds with complex structures. However, the complexities associated with multi-material bioprinting and synthesis of hydrogels used for hybrid scaffolds pose many challenges for their fabrication. This paper presents a brief review of dispensing-based bioprinting of hybrid scaffolds for TE applications. The focus is on the design and fabrication of hybrid scaffolds, including imaging techniques, potential biomaterials, physical architecture, mechanical properties, cell viability, and the importance of vessel-like channels. The key issues and challenges for dispensing-based bioprinting of hybrid scaffolds are also identified and discussed along with recommendations for future research directions. Addressing these issues will significantly enhance the design and fabrication of hybrid scaffolds to and pave the way for translating them into clinical applications.

License: CC-By Attribution 4.0 International

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Please find more info in the following link: https://www.researchgate.net/publication/321304986_Dispensing-Based_Bioprinting_of_Mechanically-Functional_Hybrid_Scaffolds_with_Vessel-like_Channels_for_Tissue_Engineering_Applications_-_A_Brief_Review Please be advised that the original DOI of this paper is https://doi.org/10.1016/j.jmbbm.2017.11.037 You can cite this paper as: Naghieh, S., et al. "Di...

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