Journal
RSC ADVANCES
Volume 7, Issue 6, Pages 3313-3320Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra24884e
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Funding
- Fundamental Research Funds for the Central Universities
- Postdoctoral Science Foundation of Jiangsu Province [1601010B]
- Key Technology RD Program of Jiangsu Province [BE2016010]
- National Natural Science Foundation of China [61273243, 51407095]
- Natural Science Foundation of Jiangsu Province [BK20150973]
- Scientific Research Innovation Program for Graduate of Jiangsu Province [SJLX16_0282]
- Science and Technology Achievement Transformation Foundation of Jiangsu Province [BA2016106]
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In this paper, a method for making 3D polydimethylsiloxane (PDMS) microfluidic chips with a modified open-source 3D wax printer is demonstrated. The wax was generated with a glass nozzle and a lead zirconate titanate (PZT) actuator. The influence of 3D printing parameters including the degree of overlap and the filling distance between the filling paths on the wax mold were studied. Some typical 3D wax molds such as a 3D shell structure, a 3D letter U and a 3D bridge were prepared. Also fabricated were key, functional 3D microfluidic devices including a basket-weave network, a 3D chaotic passive mixer, and a microdroplet generator. True 3D network microflowing was accomplished. This method offers a simple, low-cost way to make 3D microfluidic chips in a short time without clean-room facilities.
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