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Electro-Assisted 3D Bioprinting Method for Low-Concentration GelMA Microdroplets

Electro-Assisted 3D Bioprinting Method for Low-Concentration GelMA Microdroplets

Written by David

December 28, 2018

While low-concentration gelatin methacryloyl (GelMA) is biocompatible with 3D bioprinted cell‐laden structures, because of its low viscosity it’s hard to stably make organoids, and even microdroplets, with the material. A team of researchers from Zhejiang University in China focused on fixing this problem in a recently published paper, titled “ Electro-Assisted Bioprinting of Low-Concentration GelMA Microdroplets .” The abstract reads, “Here, a promising electro‐assisted bioprinting method is developed, which can print low‐concentration pure GelMA microdroplets with low cost, low cell damage, and high efficiency. With the help of electrostatic attraction, uniform GelMA microdroplets measuring about 100 μm are rapidly printed. Due to the application of lower external forces to separate the droplets, cell damage during printing is negligible, which often happens in piezoelectric or thermal inkjet bioprinting. Different printing states and effects of printing parameters (voltages, gas pressure, nozzle size, etc.) on microdroplet diameter are also investigated. The fundamental […]

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