Chen, Y., Zhou, Y., Hu, Z., Lu, W., Li, Z., Gao, N., Liu, N., Li, Y., He, J., Gao, Q., Xie, Z., Li, J. and He, Y. (2023) “Gelatin-Based Metamaterial Hydrogel Films with High Conformality for Ultra-Soft Tissue Monitoring”, Nano-Micro Letters, 16, p. 34. doi: 10.1007/s40820-023-01225-z.