Urban UFPs induce cytotoxicity via oxidative stress and activate nrf-2 pathway at air-liquid interface exposed on BEAS-2B. - Ying, Mengchao; Dong, Cheng; Yang, Yun; Qiu, Xinlei; Zhang, Huimin; Hong, Xinyu; Lu, Lingyi; Yang, Kai; Xiao, Ping; Tao, Gonghua (Environmental Pollutants & Bioavailability, 2025)