title: Colorimetric detection of biological hydrogen sulfide using fluorosurfactant functionalized gold nanorods.
abstract: As a well-known environmental pollutant but also an important gaseous transmitter, the specific detection of hydrogen sulfide (H2S) is significant in biological systems. In this study, fluorosurfactant functionalized gold nanorods (FSN-AuNRs) have been proposed to act as selective colorimetric nanoprobes for H2S. With the combination of strong gold-S interactions and small FSN bilayer interstices, FSN-AuNRs demonstrate favorable selectivity and sensitivity toward H2S over other anions and small biological molecules. The practical application of the present method in biological H2S detection was validated with human and mouse serum samples. Moreover, the proposed nanoprobe can also be used for evaluating the activity of H2S synthetase.
authors.affiliation: State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China. zhqyuan119@gmail.com luchao@mail.buct.edu.cn.
authors.forename: Xuan
authors.initials: X
authors.lastname: Zhang
authors.forename: Wenjuan
authors.initials: W
authors.lastname: Zhou
authors.forename: Zhiqin
authors.initials: Z
authors.lastname: Yuan
authors.forename: Chao
authors.initials: C
authors.lastname: Lu
mesh_terms: D000818:Animals; D003124:Colorimetry / Q000295:instrumentation* / Q000379:methods*; D005456:Fluorescent Dyes / Q000737:chemistry; D006046:Gold / Q000737:chemistry; D006801:Humans; D006862:Hydrogen Sulfide / Q000097:blood / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry; D051379:Mice; D046529:Microscopy, Electron, Transmission; D053758:Nanoparticles / Q000737:chemistry; D036103:Nanotechnology / Q000379:methods; D043942:Nanotubes / Q000737:chemistry*; D044967:Serum / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet; D013501:Surface-Active Agents / Q000737:chemistry*
chemical_list: D005456:Fluorescent Dyes; D013501:Surface-Active Agents; D006046:Gold; D006862:Hydrogen Sulfide