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Bio-Design and Manufacturing  2016 Vol.-1 No.-1 P.

http://doi.org/10.1007/s42242-024-00298-y


Rapid Fabrication of Modular 3D Paper-Based Microfluidic Chips using Projection-Based 3D Printing


Author(s):  Mingjun Xie, Zexin Fu, Chunfei Lu, Sufan Wu, Lei Pan, Yong He, Yi Sun, Ji Wang

Affiliation(s):  Plastic and Reconstructive Surgery Center, Department of Plastic and Reconstructive Surgery, Zhejiang Provincial Peoples Hospital, Affiliated Peoples Hospital, Hangzhou Medical College, Hangzhou 310014, China; more

Corresponding email(s):   jiwang1004@zju.edu.cn (Ji Wang), yisun@zju.edu.cn (Yi Sun)

Key Words:  Paper-based microfluidic chip, Projection-based 3D printing (PBP), Modularization, Cell culture


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Mingjun Xie,Zexin Fu, Chunfei Lu, Sufan Wu, Lei Pan , Yong He, Yi Sun, Ji Wang. Rapid Fabrication of Modular 3D Paper-Based Microfluidic Chips using Projection-Based 3D Printing[J]. Journal of Zhejiang University Science D, 2016, -1(-1): .

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Abstract: 
Paper-based microchips have different advantages, such as better biocompatibility, simple production, and easy handling, which makes them promising candidates for clinical diagnosis and other fields. This study describes a method developed to fabricate modular three-dimensional (3D) paper-based microfluidic chips based on projection-based 3D printing (PBP) technology. A series of two-dimensional (2D) paper-based microfluidic modules was designed and fabricated. After evaluating the effect of exposure time on the accuracy of the flow channel, the resolution of this channel was experimentally analyzed. Furthermore, several 3D paper-based microfluidic chips were assembled based on the 2D ones using different methods, with good channel connectivity. Scaffold-based 2D and hydrogel-based 3D cell culture systems based on 3D paper-based microfluidic chips were verified to be feasible. Furthermore, by combining extrusion 3D bioprinting technology and the proposed 3D paper-based microfluidic chips, multiorgan microfluidic chips were established by directly printing 3D hydrogel structures on 3D paper-based microfluidic chips, confirming that the prepared modular 3D paper-based microfluidic chip is potentially applicable in various biomedical applications.

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