Core Insights - A research team from the University of Virginia has developed a novel 3D printing material that is compatible with the human immune system, potentially advancing organ transplantation and drug delivery technologies [1][2] - The breakthrough involves modifying the properties of polyethylene glycol (PEG) to create a stretchable network structure, overcoming limitations of traditional PEG production methods [1] Group 1: Material Development - The team utilized a "foldable bottle brush" structure to enhance the strength and elasticity of PEG, allowing for the creation of highly stretchable 3D printable hydrogels and solvent-free elastomers [1][2] - By exposing the precursor mixture to ultraviolet light, the team successfully initiated polymerization to form the bottle brush network structure [1] Group 2: Applications and Future Prospects - The new material's compatibility with biological tissues has been confirmed through cell culture tests, indicating its suitability for in vivo applications such as organ scaffolds [2] - The material shows promise for use in solid-state battery technology, exhibiting higher conductivity and stretchability compared to existing solid polymer electrolytes [2] - Future exploration will focus on combining this material with others to create 3D printed products with varying chemical compositions, expanding its application range [2] Group 3: Industry Implications - The advancement in 3D printing biomaterials represents a transformative potential for regenerative medicine, particularly in organ transplantation [3] - The new material addresses challenges related to immune compatibility, which traditional implants often face, thereby paving the way for personalized regenerative treatments [3]