Finland’s alternative energy and materials company UPM (UPM) has launched a series of bio-inks called GrowInk, which are specifically used in tissue engineering and regenerative medicine.3D bioprintingapplication. The GrowInk series has novel non-animal-derived hydrogels that can mimic the in vivo environment to support cell growth and differentiation. These materials made their debut at the SLAS2020 scientific conference in San Diego, California.
environmental Protection3D bioprintingThe material supplier UPM was established in 1996 and is committed to the development and provision of sustainable wood biomedical products. Its GrowDex series of products include hydrogels for 3D cell culture and research. In 2018, the company released recyclable biocomposite filaments for FDM 3D printingMachine UPM Formi 3D, which uses cellulose fibers and biopolymers. Last year, the biotechnology company itself and subsidiary UPM Biocomposites, robot manufacturers ABB and Prenta Oy worked together to use its recyclable UPM Formi filaments to manufacture large parts and furniture. According to UPM’s news, the two main components of the latest bio-ink GrowInk are its nano-fibril cellulose and water, which can directly mix cells and other custom materials to print a lattice matrix. UPM has also introduced a sterile hydrogel called GrowDex-A, which is designed to bind biochemical molecules, including proteins, peptides and antibiotics, for 3D cell culture.
There are three variants of GrowInk materials used in medical research. First of all, GrowInk-N is a natural opaque bio-ink made of pure nano-fibril cellulose. GrowInk-T is a transparent anionic nano-fibrillar cellulose bio-ink, suitable for advanced applications, and can be optionally cross-linked to strengthen the structure of the printed model. Finally, GrowInk-ALG is a bio-ink based on sodium alginate cellulose, which can be cross-linked.
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