Xie, Y.; Wang, S.; Zhang, Y.; Kanai, H.; Yamada, K.; Wakamatsu, T.; Hamada, Y.; Obuse, S.; Zhang, D.; Chu, F.; Ishida, Y. An Anisotropic Hydrogel With Simple Preparation and Well-Defined Structure As a New Platform for Flexible Sensors With Directional Strain and Force Sensing. Mater. Interfaces 2025, 2, 239–249.