was used to calculate 𝐷 𝑔 as a function of 𝑅 ℎ for 𝑅 𝑓 equal to 1 and 10 nm, respectively. In the calculation, the polymer network volume fraction in the hydrogel was set to 0.016, as determined experimentally, and 𝐷 0 was calculated by means of the Stokes-Einstein equation: