Highly selective ppb-level H2S sensor for spendable detection of exhaled biomarker and pork freshness at low temperature: Mesoporous SnO2 hierarchical architectures derived from waste scallion root

Bao-Yu Song, Meng Zhang, Yang Teng, Xian‐Fa Zhang, Zhao‐Peng Deng, Li-Hua Huo, Shan Gao