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2-thiophene thiol 1

Adhesion force 1

BSA 1

Charged PES UF membrane 1

Electrokinetic characterization 1

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Jump distance 1

MIC 1

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acid chlorides 1

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membrane separations 1

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Hydrophilic modification of poly(aryl sulfone) membrane materials toward highly-efficient environmental

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 614-633 doi: 10.1007/s11705-021-2115-1

Abstract: Poly(aryl sulfone) as a typical membrane material has been widely used due to excellent mechanical, chemicalHowever, the inherent hydrophobicity of poly(aryl sulfone) based membranes bears with the fouling issuecharacterizations of hydrophilic membrane and diverse hydrophilic modification approaches of poly(aryl sulfoneguide the future directions to develop novel technology to manipulate the hydrophilicity of poly(aryl sulfone

Keywords： poly(aryl sulfone)     membrane separations     modification     hydrophilicity     water treatment    

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Effect of electrokinetic property of charged polyether sulfone membrane on bovine serum albumin fouling

Xiaorong Meng, Shanshan Huo, Lei Wang, Xudong Wang, Yongtao Lv, Weiting Tang, Rui Miao, Danxi Huang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0907-9

Abstract: Negatively charged CMPES and positively charged QAPES membranes were fabricated. Charge modification reduced the adhesion forces between PES UF membranes and BSA. QAPES-BSA / was weaker than that of CMPES-BSA at pH 3 and on the contrary at pH 9. Flux decline rate was positively correlated with the adhesion forces of membrane-BSA. Variation of adhesion was consistent with that of potential absolute values. Negatively charged carboxymethylated polyethersulfone (CMPES) and positively charged quaternized polyethersulfone (QAPES) ultrafiltration (UF) membranes were prepared by bulk chemical modification and non-solvent induced phase separation method. The effects of PES membrane interfacial electrokinetic property on the bovine serum albumin (BSA) membrane fouling behavior were studied with the aid of the membrane-modified colloidal atomic force microscopy (AFM) probe. Electrokinetic test results indicated that the streaming potential (D ) of QAPES membrane was not consistent with its expected value, however, within the pH range of 3–10, the potentials of two charged-modified PES membranes were more stable than the unmodified membrane. When pH value was 3, 4.7 or 9, the interaction behavior between charged PES membrane and BSA showed that there was significant linear correlation between the jump distance of membrane-BSA adhesion force ( ) and the potential absolute value. Charged modification significantly reduced the adhesion of PES membrane-BSA, and the adhesion data was good linear correlated with the flux decline rate in BSA filtration process, especially reflected in the CMPES membrane. The above experimental facts proved that the charged membrane interfacial electric double layer structure and its electrokinetic property had strong ties with the protein membrane fouling behavior.

Keywords： Charged PES UF membrane     BSA     Electrokinetic characterization     Adhesion force     Jump distance    

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Synthesis, molecular docking and antibacterial evaluation of 2-(4-(4-aminophenylsulfonyl)phenylamino)-3-(thiophen-2-ylthio)naphthalene-1,4-dione derivatives

Palanisamy RAVICHANDIRAN, Dhanaraj PREMNATH, Samuel VASANTHKUMAR

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 46-56 doi: 10.1007/s11705-015-1506-6

Abstract: A new series of 2-(4-(4-aminophenylsulfonyl)phenylamino)-3-(thiophen-2-ylthio)naphthalene-1,4-dione derivatives ( 3a-3n) were synthesized and characterized by spectral techniques. To understand the interaction of binding sites with bacterial protein receptor, the docking study was performed by the GLIDE program and compound -(4-(4-(1,4-dioxo-3-(thiophen-2-ylthio)-1,4-dihydronaphthalen-2-ylamino)phenylsulfonyl)phenyl)-3-methylbenzamide ( 3b) exhibited good glide and E model scores of ?5.89 and ?94.90, respectively. Moreover among all the molecules studied including the standards used, namely Sparfloxacin (4.8 μg/mL) and Norfloxacin (no inhibition observed) for their antibacterial property, compound -(4-(4-(1,4-dioxo-3-(thiophen-2-ylthio)-1,4-dihydronaphthalen-2-ylamino)phenylsulfonyl)phenyl)-4-nitrobenzamide ( 3e) exhibited the lowest minimum inhibitory concentration (MIC) value of 1.3 μg/mL against .

Keywords： MIC     2-thiophene thiol     water as solvent     acid chlorides     sulfone    

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Design, Synthesis, and Biological Activity of Novel Aromatic Amide Derivatives Containing Sulfide and Sulfone Article

Xuewen Hua, Nannan Liu, Sha Zhou, Leilei Zhang, Hao Yin, Guiqing Wang, Zhijin Fan, Yi Ma

Engineering 2020, Volume 6, Issue 5,   Pages 553-559 doi: 10.1016/j.eng.2019.09.011

Abstract: with nematicidal and fungicidal fluopyram as the molecular skeleton in order to introduce sulfide and sulfone

Keywords： Synthesis     Nematicidal activity     Fungicidal activity     Molecular docking    

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Title Author Date Type Operation

Hydrophilic modification of poly(aryl sulfone) membrane materials toward highly-efficient environmental

Journal Article

Effect of electrokinetic property of charged polyether sulfone membrane on bovine serum albumin fouling

Xiaorong Meng, Shanshan Huo, Lei Wang, Xudong Wang, Yongtao Lv, Weiting Tang, Rui Miao, Danxi Huang

Journal Article

Synthesis, molecular docking and antibacterial evaluation of 2-(4-(4-aminophenylsulfonyl)phenylamino)-3-(thiophen-2-ylthio)naphthalene-1,4-dione derivatives

Palanisamy RAVICHANDIRAN, Dhanaraj PREMNATH, Samuel VASANTHKUMAR

Journal Article

Design, Synthesis, and Biological Activity of Novel Aromatic Amide Derivatives Containing Sulfide and Sulfone

Xuewen Hua, Nannan Liu, Sha Zhou, Leilei Zhang, Hao Yin, Guiqing Wang, Zhijin Fan, Yi Ma

Journal Article