The latest research progress of 3D printing in bioprinting

[Hermione]

The application of 3D printing technology in the biomedical field is developing rapidly, bringing revolutionary breakthroughs to bioprinting. Recently, scientists have made remarkable progress in the use of 3D printing technology to manufacture biological materials, tissues and organs, which not only promotes the advancement of tissue engineering and regenerative medicine, but also provides new solutions for drug testing and personalized medicine.

Scientists at Lawrence Livermore National Laboratory have developed a new method for 3D printing organisms that "capture" bacteria in 3D structures by using a light-sensitive bioresin and LED light. This technique can print microbial structures at high resolution, similar to microbial communities in nature. Studies have shown that this method has great potential in uranium biosensing and rare earth metal recovery.

Researchers at Rensselaer Polytechnic Institute focused on developing methods to 3D print living skin and successfully equip it with blood vessels. This technique enables the creation of skin grafts that are highly compatible with human skin tissue, which is expected to significantly improve the effectiveness of medical transplantation. 3D bioprinted skin not only speeds up wound healing, but also enables true integration with host cells.

Meanwhile, Advanced Solutions Life Sciences, in collaboration with the University of Louisville, is working on fdm 3d printer heart tissue, specifically the construction of capillary beds. Their goal is to print heart modules that can be tested for drugs, and eventually even create a fully functioning human heart. This development heralds the widespread application of bioprinting technology in future medicine.

Behind these breakthroughs is an ongoing effort to develop bio-inks. Bioinks are a key material for 3D bioprinting and need to balance printability, biocompatibility and mechanical properties. Researchers are working to develop new types of bio-inks to mimic the microenvironment in vivo and enable more complex biological functions.

3D printing technology has broad application prospects in bioprinting field. With the continuous progress of technology, we have reason to believe that 3D bioprinting will bring more breakthroughs in the medical field in the future and make greater contributions to the development of human health.