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Fabrication of Layered Gradient Brain-like Tissue by 3D Bioprinting
A B
C
Figure 8. The macro and micro characteristics of the layered structure. (A) The macro-morphology of the layered structure. (B) The stress-
strain diagram. (C) The scanning electron microscope image of the cross-section of the layered structure.
the printing room to meet the requirements of cell culture on the market are expensive, most of which cost between
and solve the problem of separation between the printing RMB 500,000 and 3 million. In this study, the overall cost
process and the culture process in the traditional printing of the self-made printing system was about 120,000 RMB,
method. Meanwhile, the commercial biological 3D printers which can substantially reduce the research cost.
80 International Journal of Bioprinting (2021)–Volume 7, Issue 3
