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25 results on '"Huang, Fangmin"'

3. Saracatinib inhibits necroptosis and ameliorates psoriatic inflammation by targeting MLKL

Author

Li, Jingyi, primary, Liu, Xingfeng, additional, Liu, Yuanyuan, additional, Huang, Fangmin, additional, Liang, Jiankun, additional, Lin, Yingying, additional, Hu, Fen, additional, Feng, Jianting, additional, Han, Zeteng, additional, Chen, Yushi, additional, Chen, Xuan, additional, Lin, Qiaofa, additional, Wu, Lanqin, additional, and Li, Lisheng, additional

Published
2024
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22. A bi-metallic MOF catalyst via sensitive detection & adsorption of Fe3+ ions for size-selective reaction prompting.

Author

Li, Yang, Chang, Ziling, Huang, Fangmin, Wu, Pengyan, Chu, Huacong, and Wang, Jian

Subjects
METAL-organic frameworks, CATALYSTS, ADSORPTION (Chemistry), CADMIUM compounds, METAL ions, CRYSTAL structure, CRYSTALLOGRAPHY
Abstract

A cadmium(ii)-based MOF, Cd-MDIP, was successfully prepared by hydrothermal reaction between the tetra-carboxylic ligand 5,5′-methylenebisophthalic acid (H4MDIP) and cadmium perchlorate. The X-ray crystal structure analysis showed that there are two uncoordinated carboxyl groups in each ligand and a 1D elliptical channel along the [001] direction. Because of the existence of uncoordinated carboxyl groups within open frameworks, Cd-MDIP exhibited a high sensitivity (Stern–Volmer constant KSV = 4.13 × 104 L mol−1) and a low detection limit (80 nM) for Fe3+ ions in pure water, which is much lower than the national standard for Fe3+ in daily drinking water (5.4 μM) set by the Ministry of Environmental Protection of P. R. China. Most importantly, Cd-MDIP also featured the ultrahigh adsorption of Fe3+ in aqueous solution that cannot be destroyed even by EDTA/base. Importantly, the MOF material (Cd-MDIP⊃Fe3+) after adsorbing Fe3+ could act as the first example of an excellent bi-metallic Lewis-acid catalyst for the cyanosilylation reaction of aromatic aldehydes in a size-selective fashion, and its efficiency was almost 10-times higher than that of the original Cd-MDIP. [ABSTRACT FROM AUTHOR]

Published
2018
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23. A TiO2/Nb2O5 center dot nH(2)O heterojunction catalyst for conversion of glucose into 5-hydroxymethylfurfural in water

Author

Huang, Fangmin, Jiang, Tianying, Xu, Xincheng, Chen, Lu, Laurenczy, Gabor, Fei, Zhaofu, and Dyson, Paul J.

Subjects
raman, transformation, enhanced formation, acid, dehydration, oxide, zeolite, cellulose, 5-hmf
Abstract

A series of water-tolerant Lewis acidic TiO2/Nb2O5 center dot nH(2)O heterojunction catalysts with different Ti : Nb ratios have been prepared and investigated in the conversion of glucose into HMF in water. Under optimized conditions (i.e. 150 degrees C, 300 min), 5-hydroxymethylfurfural (HMF) was obtained in 42% yield together with formic acid (FA) in 17% yield. Extending the reaction time, the yield of FA can be increased to over 60%, albeit at the expense of HMF which is reduced to nH(2)O catalyst also shows high activity in the conversion of cellobiose and potato starch into HMF. The catalyst is stable and can be reused several times with only a slight decrease in activity.

24. Transformation of Glucose to 5-Hydroxymethylfurfural Over Regenerated Cellulose Supported Nb2O5 center dot nH(2)O in Aqueous Solution

Author

Huang, Fangmin, Jiang, Tianying, Dai, Hongyu, Xu, Xincheng, Jiang, Shili, Chen, Lu, Fei, Zhaofu, and Dyson, Paul J.

Subjects
inorganic chemicals, biomass, oxidation, enhanced formation, macromolecular substances, catalytic dehydration, regenerated cellulose, heterogeneous catalysis, niobium pentoxide, 5-hydroxymethylfurfural (hmf), silica, sustainable chemistry, direct conversion, acid, oxide, glucose, zeolite, phosphate
Abstract

Niobic acid (Nb2O5 center dot nH(2)O) was immobilized on regenerated cellulose (Re-Cellulose) to afford a heterogeneous catalyst, termed Nb2O5 center dot nH(2)O@Re-Cellulose, that was characterized by powder X-ray diffraction, microscopy (SEM and TEM) and spectroscopic (Raman and FTIR) techniques. The surface acidity of the catalyst was determined using FTIR spectroscopy employing pyridine as a molecular probe. The Nb2O5 center dot nH(2)O@Re-Cellulose catalyst was investigated in the conversion of glucose into 5-hydroxymethylfurfural (HMF) in aqueous media. The catalyst can be reused several times without undergoing a significant loss in activity.

25. A bi-metallic MOF catalyst via sensitive detection & adsorption of Fe 3+ ions for size-selective reaction prompting.

Author

Li Y, Chang Z, Huang F, Wu P, Chu H, and Wang J

Abstract

A cadmium(ii)-based MOF, Cd-MDIP, was successfully prepared by hydrothermal reaction between the tetra-carboxylic ligand 5,5'-methylenebisophthalic acid (H4MDIP) and cadmium perchlorate. The X-ray crystal structure analysis showed that there are two uncoordinated carboxyl groups in each ligand and a 1D elliptical channel along the [001] direction. Because of the existence of uncoordinated carboxyl groups within open frameworks, Cd-MDIP exhibited a high sensitivity (Stern-Volmer constant KSV = 4.13 × 104 L mol-1) and a low detection limit (80 nM) for Fe3+ ions in pure water, which is much lower than the national standard for Fe3+ in daily drinking water (5.4 μM) set by the Ministry of Environmental Protection of P. R. China. Most importantly, Cd-MDIP also featured the ultrahigh adsorption of Fe3+ in aqueous solution that cannot be destroyed even by EDTA/base. Importantly, the MOF material (Cd-MDIP⊃Fe3+) after adsorbing Fe3+ could act as the first example of an excellent bi-metallic Lewis-acid catalyst for the cyanosilylation reaction of aromatic aldehydes in a size-selective fashion, and its efficiency was almost 10-times higher than that of the original Cd-MDIP.

Published
2018
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