title: Chromene "lock", thiol "key", and mercury(II) ion "hand": a single molecular machine recognition system.
authors.affiliation: Research Institute of Applied Chemistry, and Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China.
authors.forename: Fang-Jun
authors.initials: FJ
authors.lastname: Huo
authors.forename: Yuan-Qiang
authors.initials: YQ
authors.lastname: Sun
authors.forename: Jing
authors.initials: J
authors.lastname: Su
authors.forename: Yu-Tao
authors.initials: YT
authors.lastname: Yang
authors.forename: Cai-Xia
authors.initials: CX
authors.lastname: Yin
authors.forename: Jian-Bin
authors.initials: JB
authors.lastname: Chao