Transfer Learning-Assisted Porous Polymer Humidity Sensor for Powered Air-Purifying Mask. - Yue Wang; Xinkai Qi; Lu Chen; Yongchao Cheng; Zhefu Mu; Xiuquan Gu; Shiyin Li; Yunfeng Song; Xinjian He; Sheng Huang (Adv. Intell. Syst., 2025)