Advanced BioMatrix offers PhotoHA, a methacrylated hyaluronic acid (HA) for photocrosslinkable hydrogels. These hydrogels provide native-like 3D HA gels with the unique attributes to be prepared at various concentrations and photocrosslinked to provide various gel stiffness. The kit comes with 100 mg of lyophilized methacrylated hyaluronic acid and 100 mg of LAP photoinitiator (405 nm blue light photocrosslinking). Hyaluronic acid is the most abundant glycosaminoglycan in the body being an important component of several tissues throughout the body. While it is abundant in extracellular matrices, hyaluronic acid also contributes to tissue hydrodynamics, movement and proliferation of cells, and participates in a number of cell surface receptor interactions.