An original paper by Matsumura et al, A03, has been published.

Rajan R, Kumar N, Zhao D, Dai X, Kawamoto K, Matsumura K. Polyampholyte-Based Polymer Hydrogels for the Long-Term Storage, Protection and Delivery of Therapeutic Proteins. Adv. Healthcare Mater.2203253 (2023) https://doi.org/10.1002/adhm.202203253