Journal
APPLIED SURFACE SCIENCE
Volume 355, Issue -, Pages 814-819Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2015.07.166
Keywords
Postsynthetic modification; Metal-organic framework; Fluorescent probe; Turn-on; H2S
Categories
Funding
- National Natural Science Foundation of China [51272231, 51229201, 51372221, 51472067]
- Program for Innovative Research Team in University of Ministry of Education of China [IRT13R54]
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Hydrogen sulfide (H2S) has recently been identified as the third biological gaseous messenger (gasotransmitter) that is involved in regulating many important physiological processes. The detection of H2S is thus essential for its roles but remain challenging in living systems. We report herein a novel turn-on fluorescent probe for H2S detection based on azide functionalized metal-organic framework (MOF). The MOF probe displayed high sensitivity (detection limit, 28.3 mu M), excellent selectivity, and fast response (<2 min) toward H2S over other biologically relevant species. We envisage that this MOF probe can be employed as a useful tool to further elucidate the biological roles of H2S. (C) 2015 Elsevier B.V. All rights reserved.
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