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Your search keyword '"Yuan, Qiang"' showing total 4 results
Start Over Author "Yuan, Qiang" Topic coumarins Journal chemical communications
4 results on '"Yuan, Qiang"'

1. Fluorescent probe for biological gas SO2 derivatives bisulfite and sulfite

Author

Yuan-Qiang Sun, Ting Yang, Jing Liu, Jingyu Zhang, and Wei Guo

Subjects
complex mixtures, Catalysis, chemistry.chemical_compound, Sulfite, Cascade reaction, Coumarins, Materials Chemistry, Humans, Sulfites, Sulfur Dioxide, Organic chemistry, heterocyclic compounds, Fluorescent Dyes, Cyanides, Molecular Structure, Metals and Alloys, General Chemistry, Fluorescence, respiratory tract diseases, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Bisulfite, chemistry, Ceramics and Composites, Gases, HeLa Cells
Abstract

A coumarin-hemicyanine dye was reported for ratiometric fluorescent detection of SO2 derivatives HSO3(-) and SO3(2-) based on a novel addition-rearrangement cascade reaction.

Published
2013

2. Ratiometric fluorescence detection of cyanide based on a hybrid coumarin–hemicyanine dye: the large emission shift and the high selectivity

Author

Yunlong Liu, Yun Zhao, Pi Wang, Jing Liu, Wei Guo, Xin Lv, and Yuan-Qiang Sun

Subjects
Cyanides, Cyanide, High selectivity, Metals and Alloys, General Chemistry, Coumarin, Photochemistry, Fluorescence, Catalysis, Ratiometric fluorescence, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, Spectrometry, Fluorescence, Nucleophile, chemistry, Coumarins, Materials Chemistry, Ceramics and Composites, Fluorescent Dyes
Abstract

A new ratiometric fluorescent cyanide probe was developed based on the nucleophilic attack of CN(-) toward the indolium group of a hybrid coumarin-hemicyanine dye, by which high selectivity as well as large emission shift could be achieved.

Published
2011

3. Ratiometric fluorescence detection of cyanide based on a hybrid coumarin–hemicyanine dye: the large emission shift and the high selectivityElectronic supplementary information (ESI) available: Experimental procedures, supplemental spectra, and the 1H-, 13C-NMR, and MS spectra. See DOI: 10.1039/c1cc15721c

Author

Xin Lv, Jing Liu, Yunlong Liu, Yun Zhao, Yuan-Qiang Sun, Pi Wang, and Wei Guo

Subjects
CYANIDES, HYBRID systems, FLUORESCENT probes, COUMARINS, DYES & dyeing, CHEMISTRY experiments
Abstract

A new ratiometric fluorescent cyanide probe was developed based on the nucleophilic attack of CN−toward the indolium group of a hybrid coumarin–hemicyanine dye, by which high selectivity as well as large emission shift could be achieved. [ABSTRACT FROM AUTHOR]

Published
2011
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4. Nitroolefin-based coumarin as a colorimetric and fluorescent dual probe for biothiolsElectronic supplementary information (ESI) available: Experimental procedures, supplemental data, and the 1H-, 13C-NMR spectrum. See DOI: 10.1039/c1cc14299b.

Author

Sun, Yuan-Qiang, Chen, Maliang, Liu, Jing, Lv, Xin, Li, Jun-fei, and Guo, Wei

Subjects
*NITROALKENES, *COUMARINS, *COLORIMETRIC analysis, *FLUORESCENT probes, *THIOLS, *ADDITION reactions, *AMINO acids
Abstract

A coumarin-based thiol probe featuring the 1,4-addition reaction of thiols to nitroolefin was reported. The molecular probe exhibited higher selectivity toward biothiols (Cys, Hcy and GSH) than other amino acids. [ABSTRACT FROM AUTHOR]

Published
2011
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