Paper

Paper Name    Perfusive and osmotic capabilities of 3D printed hollow tube for fabricating large scaled muscle scaffold
Author    Q Lian*, LN Zhou, X Li, W Mao, DC Li
Publication/Completion Time    2020-01-06
Magazine Name    Rapid Prototyping Journal
Vol    26(1)
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Paper description    The purpose of this paper is to present a new method for the fabrication of a large-scale muscle scaffold containing an artificial hollow tube network, which may solve the problems of nutrient supply, oxygen exchange and metabolic waste removal. In this paper, a ferric chloride structural strength-enhanced sodium alginate hollow tube was used to build the hollow tube network. Gelatin infill was then added to make a large alginate/gelation gel soft tissue scaffold. A pilot experiment was performed and an osmotic test platform was built to study the perfusion and osmotic ability of the 3D printed hollow tube. The essential fabrication parameters (printing velocity and gap) for building the vascular (i.e., hollow tube) network-contained scaffold were investigated. Moreover, cells in culture were spread within the gelation scaffold, and the circulation characteristics of the hollow tube network were studied. The printed large-scale scaffold that contained a ferric chloride structural strength-enhanced sodium alginate hollow tube had good perfusion ability. The osmotic distance of the hollow tube reached 3.7 mm in 8 h in this experiment. https://www.emerald.com/insight/content/doi/10.1108/RPJ-08-2017-0152/full/html#loginreload