Fig. 4From: Characterization of Methacrylated Type-I Collagen as a Dynamic, Photoactive HydrogelReal-time rheological data. (a) CMA exposed to UV light for 30, 45, and 90 s shows that light exposure time can be used to precisely tune the storage modulus to a set value. (b) Applying sequential, discrete exposure periods changes the storage modulus dynamically. Arrows indicate 15 s UV exposures, followed by 75 s without UVBack to article page