Nature CommunicationsSkin-mimicking biogel-based iontronic sensor with hierarchical bionic coupling for dexterous tactile e-skinYidan ChenShu WangXilu YeChenghui LvJialin WeiYingxin ZhangJianfeng PingYibin YingLingyi Lan2026-05-26Full textDOI https://doi.org/10.1038/s41467-026-73736-3