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In March, Liu Dongsheng of the Department of Chemistry of Tsinghua University teamed up with the University of Watts of the United Kingdom, Will Shu (Shu Wenhao), to successfully develop a DNA hydrogel material message that can be applied to live cell 3D printing. According to reports, due to its high water content and characteristics similar to that of extracellular matrix, hydrogels are the first choice for three-dimensional tissue printing and artificial organ preparation. Therefore, hydrogels have become a hot topic in the fields of chemistry, materials and life medicine. Liu Dongsheng's research team took the lead in the world to prepare a new type of DNA hydrogel material that can meet the needs of many living cells for 3D printing at the same time. It has the advantages of high speed and can reach second-order molding; the conditions are mild and the process is completely in physiological conditions. Finished; strength, permeability, the final size of the printed product can reach the scale above the centimeter level and so on, these characteristics create the conditions for the future living transplantation of 3D printing organs.
The listed company Sichuan Blu-ray Development Co., Ltd. is targeting the field of biological 3D printing with high technological content. The bio-ink research and development efforts are dedicated to becoming the leading bio 3D printing material in the world. "The company has made breakthroughs in the three core technologies of bio-ink (ie, biological 3D printing materials), 3D bioprinters, and supporting software systems. It is expected that the series of products in these three areas will be launched in the second half of this year." The person in charge of Blu-ray Yingnuo, a subsidiary of the company, introduced that “there are few biological 3D printers that are currently being launched globally. We will achieve breakthroughs in this technology.â€
Guangdong Jubilee Technology Co., Ltd. has a long history in the field of 3D printing. The ABS and PLA wire rods currently researched and developed have been sold externally. The newly introduced PA powders in the first half of this year have been extended to industrial-grade 3D printing materials. Tan Songbin, chairman of Jubilee Technology, said: "The company will also launch PEEK (polyetheretherketone) materials in the second half of the year, which can be used in the medical field, such as bone implantation."
Tan Songbin revealed that the company also intends to lay out more frontier areas for more 3D printing. Such as titanium metal 3D printing, the components produced by the material can be applied to the aerospace field; there are metal inkjet technology, the technology will subvert all current metal 3D printing technology, not only the product strength is very high, but also has a perfect appearance.
Since the beginning of this year, in order to break through the bottleneck in 3D printing technology, China's major scientific research institutes and enterprises have stepped up efforts to develop some of the world's leading emerging materials that are applicable to 3D printing.