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Hydrophilic/underwater superoleophobic graphene oxide membrane intercalated by TiO

Zhichao Wu, Chang Zhang, Kaiming Peng, Qiaoying Wang, Zhiwei Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1042-y

Abstract: In this study, the hydrophilic/underwater superoleophobic membrane with enhanced water permeability andGO/TiO membrane exhibits hydrophilic and underwater superoleophobic properties with water contact angle

Keywords： Hydrophilic     Superoleophobic     Graphene oxide     Membrane     Titanium dioxide nanotubes     Oil-water separation    

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Combining extractive heterogeneous-azeotropic distillation and hydrophilic pervaporation for enhanced

Eniko Haaz, Botond Szilagyi, Daniel Fozer, Andras Jozsef Toth

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 913-927 doi: 10.1007/s11705-019-1877-1

Abstract: A new method which combines extractive heterogeneous-azeotropic distillation (EHAD) and hydrophilic pervaporation

Keywords： hydrophilic pervaporation     non-ideal mixture     modelling     extractive heterogeneous-azeotropic distillation    

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Experimental investigations of frost release by hydrophilic surfaces

Zhongliang LIU, Lingyan HUANG, Yujun GOU, Yaomin LIU

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 475-487 doi: 10.1007/s11708-010-0114-x

Abstract: In this paper, a kind of hydrophilic polymer paint is formulated to counteract frost deposition on coldTo test the antifrosting performance of the hydrophilic paint under more practical conditions, it isExperimental observations also show that the coated hydrophilic fins are free of frost deposition during

Keywords： frost formation     hydrophilicity     heat and mass transfer     performance    

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Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and hydrophilic

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 498-510 doi: 10.1007/s11705-014-1451-9

Abstract: By tuning polyurethane segments, different release profiles of hydrophobic and hydrophilic drugs were

Keywords： phase structure     degradation     polyurethanes     controlled release     drug delivery    

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Tailoring the microstructure and properties of PES/SPSf loose nanofiltration membranes using SPES as a hydrophilic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1555-1567 doi: 10.1007/s11705-023-2338-4

Abstract: polysulfone (SPSf) blend membranes were prepared with addition of sulfonated polyethersulfone (SPES) as a hydrophilicFurther addition of hydrophilic SPES resulted in a membrane with reduced pore size and molecular weight

Keywords： adipic acid     loose nanofiltration membrane     dye/salt selective separation     steric hindrance     charge effect    

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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: In this critical review, we give a comprehensive overview on characterizations of hydrophilic membraneand diverse hydrophilic modification approaches of poly(aryl sulfone) membranes, predominantly including

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

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Molecular dynamic simulation on the conformation of mouse muscle type nAChR

Shengai SUN, Rilei YU, Yanhui ZHANG, Yanni LI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 348-352 doi: 10.1007/s11705-009-0284-4

Abstract: The function of water molecule in the hydrophilic interior was clarified.

Keywords： pentameric     hydrophilic     Tyr127     cryoelectron microscopic     conformation    

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Factors controlling

Chengkun WANG, Xiaojian ZHANG, Chao CHEN, Jun WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 151-157 doi: 10.1007/s11783-013-0482-7

Abstract: Results indicated that the hydrophilic fraction had a higher NDMA yield than those of hydrophobic fraction

Keywords： italic>N-nitrosodimethylamine (NDMA)     disinfection by-product     dissolved organic nitrogen (DOC)     hydrophilic    

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Removal of organic matter and disinfection by-products precursors in a hybrid process combining ozonation with ceramic membrane ultrafiltration

Xiaojiang FAN,Yi TAO,Dequan WEI,Xihui ZHANG,Ying LEI,Hiroshi NOGUCHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 112-120 doi: 10.1007/s11783-014-0745-y

Abstract: including hydrophobic acid (HoA), base (HoB) and neutral (HoN), weakly hydrophobic acid (WHoA) and hydrophilicHydrophobic organic matter was converted into hydrophilic organic matter during ozonation/UF, while the

Keywords： ceramic ultrafiltration(UF)     ozonation     organic matter     hydrophilic     hydrophobic     disinfection by-products    

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Characterization of the dissolved organic matter in sewage effluent of sequence batch reactor: the impact of carbon source

Jin GUO, Feng SHENG, Jianhua GUO, Xiong YANG, Mintao MA, Yongzhen PENG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 280-287 doi: 10.1007/s11783-011-0336-0

Abstract: Dissolved organic matter (DOM) transformation in sequence batch reactor (SBR) fed with carbon sources of different biodegradability was investigated. During the biologic degradation process, the low molecular weight (MW) fraction (<1 kDa) gradually decreased, while the refractory compounds with higher aromaticity were aggregated. Size exclusion chromatography (SEC) and fluorescence of excitation emission matrices (EEM) demonstrated that more biopolymers (polysaccharides or proteins) and humic-like substances were presented in the extracellular polymeric substance (EPS) extracted from the SBR fed with sodium acetate or glucose, while the EPS from SBR fed with slowly biodegradable dissolved organic carbon (DOC) substrate-starch had relatively less biopolymers. Comparing the EfOM in sewage effluent of three SBRs, the effluent from SBR fed with starch is more aromatic. Organic carbon with MW>1 kDa as well as the hydrophobic fraction in DOM gradually increased with the carbon sources changing from sodium acetate to glucose and starch. The DOC fractionation and the EEM all demonstrated that EfOM from the effluent of the SBR fed with starch contained more fulvic acid-like substances comparing with the SBR fed with sodium acetate and glucose.

Keywords： matter (EfOM)     extracellular polymeric substance (EPS)     molecular weight distribution (MWD)     hydrophobic     hydrophilic    

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Improved blending strategy for membrane modification by virtue of surface segregation using surface-tailored amphiphilic nanoparticles

Shuai Liang, Peng Gao, Xiaoqi Gao, Kang Xiao, Xia Huang

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0875-5

Abstract: Two types of amphiphilic nanoparticles were prepared via silanization reaction. Amphiphilic nanoparticles tend to protrude from membrane matrix by segregation. Blending with amphiphilic nanoparticles further enhances membrane hydrophilicity. Excessive silanization cause adverse effect on blending efficiency. Membrane modification is one of the most feasible and effective solutions to membrane fouling problem which tenaciously hampered the further augmentation of membrane separation technology. Blending modification with nanoparticles (NPs), owing to the convenience of being incorporated in established membrane production lines, possesses an advantageous viability in practical applications. However, the existing blending strategy suffers from a low utilization efficiency due to NP encasement by membrane matrix. The current study proposed an improved blending modification approach with amphiphilic NPs (aNPs), which were prepared through silanization using 3-(Trimethoxysilyl)propyl methacrylate (TMSPMA) as coupling agents and ZnO or SiO as pristine NPs (pNPs), respectively. The Fourier transform infrared and X-ray photoelectron spectroscopy analyses revealed the presence of appropriate organic components in both the ZnO and SiO aNPs, which verified the success of the silanization process. As compared with the pristine and conventional pNP-blended membranes, both the ZnO aNP-blended and SiO aNP-blended membranes with proper silanization (100% and 200% w/w) achieved a significantly increased blending efficiency with more NPs scattering on the internal and external membrane surfaces under scanning electron microscope observation. This improvement contributed to the increase of membrane hydrophilicity. Nevertheless, an extra dosage of the TMSPMA led to an encasement of NPs, thereby adversely affecting the properties of the resultant membranes. On the basis of all the tests, 100% (w/w) was selected as the optimum TMSPMA dosage for blending modification for both the ZnO and SiO types.

Keywords： Membrane modification     Nanoparticle     Hydrophilic     Amphiphilic     Blending    

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Removable Dyes—The Missing Link for In-Depth N-glycan Analysis via Multi-Method Approaches

Samanta Cajic,René Hennig,Valerian Grote,Udo Reichl,Erdmann Rapp,

Engineering doi: 10.1016/j.eng.2023.02.016

Abstract: As the roles of glycans in health and disease continue to be unraveled, it is becoming apparent that glycans’ immense complexity cannot be ignored. To fully delineate glycan structures, we developed an integrative approach combining a set of cost-effective, widespread, and easy-to-handle analytical methods. The key feature of our workflow is the exploitation of a removable fluorescent label—exemplified by 9-fluorenylmethyl chloroformate (Fmoc)—to bridge the gap between diverse glycoanalytical methods, especially multiplexed capillary gel electrophoresis with laser-induced fluorescence detection (xCGE-LIF) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). Through the detailed structural analysis of selected, dauntingly complex N-glycans from chicken ovalbumin, horse serum, and bovine transferrin, we illustrate the capabilities of the presented strategy. Moreover, this approach “visualizes” N-glycans that have been difficult to identify thus far—such as the sulfated glycans on human immunoglobulin A—including minute changes in glycan structures, potentially providing useful new targets for biomarker discovery.

Keywords： Glycoproteins     N-glycans     Reversible labeling     Hydrophilic interaction liquid chromatography     Capillary gel    

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An efficient resin for solid-phase extraction and determination by UPLCMS/MS of 44 pharmaceutical personal care products in environmental waters

Feng Zhu, Zhijian Yao, Wenliang Ji, Deye Liu, Hao Zhang, Aimin Li, Zongli Huo, Qing Zhou

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1228-y

Abstract: A hydrophilic resin (GCHM) was facile synthesis and characterized.In this study, a hydrophilic resin named GCHM was fabricated based on poly(N-vinyl pyrrolidone-co-divinylbenzeneSPE with home-made hydrophilic polymeric sorbent followed by ultra-performance liquid chromatography

Keywords： Hydrophilic resin     Solid phase extraction     Pharmaceuticals and personal care product     Ultra-performance    

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Performance and emission characteristics of a diesel engine operating on different water in diesel emulsion fuels: optimization using response surface methodology (RSM)

Seyed Saeed HOSEINI, Mohammad Amin SOBATI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 636-657 doi: 10.1007/s11708-019-0646-7

Abstract: content (in the range of 5%–10% by volume), surfactant content (in the range of 0.5%–2% by volume), and hydrophilic-lipophilic

Keywords： water in diesel emulsion fuel     hydrophilic-lipophilic balance (HLB)     response surface methodology (RSM)    

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Removable Dyes—The Missing Link for In-Depth N-Glycan Analysis via Multi-Method Approaches Article

Samanta Cajic, René Hennig, Valerian Grote, Udo Reichl, Erdmann Rapp

Engineering 2023, Volume 26, Issue 7,   Pages 132-150 doi: https://doi.org/10.1016/j.eng.2023.02.016

Abstract:

As the roles of glycans in health and disease continue to be unraveled, it is becoming apparent that glycans'  immense complexity cannot be ignored. To fully delineate glycan structures, we developed an integrative approach combining a set of cost-effective, widespread, and easy-to-handle analytical methods. The key feature of our workflow is the exploitation of a removable fluorescent label—exemplified by 9-fluorenylmethyl chloroformate (Fmoc)—to bridge the gap between diverse glycoanalytical methods, especially multiplexed capillary gel electrophoresis with laser-induced fluorescence detection (xCGE-LIF) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). Through the detailed structural analysis of selected, dauntingly complex N-glycans from chicken ovalbumin, horse serum, and bovine transferrin, we illustrate the capabilities of the presented strategy. Moreover, this approach "visualizes" N-glycans that have been difficult to identify thus far—such as the sulfated glycans on human immunoglobulin A—including minute changes in glycan structures, potentially providing useful new targets for biomarker discovery.

Keywords： Glycoproteins     N-glycans     Reversible labeling     Hydrophilic interaction liquid chromatography     Capillary    

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Title Author Date Type Operation

Hydrophilic/underwater superoleophobic graphene oxide membrane intercalated by TiO

Zhichao Wu, Chang Zhang, Kaiming Peng, Qiaoying Wang, Zhiwei Wang

Journal Article

Combining extractive heterogeneous-azeotropic distillation and hydrophilic pervaporation for enhanced

Eniko Haaz, Botond Szilagyi, Daniel Fozer, Andras Jozsef Toth

Journal Article

Experimental investigations of frost release by hydrophilic surfaces

Zhongliang LIU, Lingyan HUANG, Yujun GOU, Yaomin LIU

Journal Article

Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and hydrophilic

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Journal Article

Tailoring the microstructure and properties of PES/SPSf loose nanofiltration membranes using SPES as a hydrophilic

Journal Article

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

Journal Article

Molecular dynamic simulation on the conformation of mouse muscle type nAChR

Shengai SUN, Rilei YU, Yanhui ZHANG, Yanni LI,

Journal Article

Factors controlling

Chengkun WANG, Xiaojian ZHANG, Chao CHEN, Jun WANG

Journal Article

Removal of organic matter and disinfection by-products precursors in a hybrid process combining ozonation with ceramic membrane ultrafiltration

Xiaojiang FAN,Yi TAO,Dequan WEI,Xihui ZHANG,Ying LEI,Hiroshi NOGUCHI

Journal Article

Characterization of the dissolved organic matter in sewage effluent of sequence batch reactor: the impact of carbon source

Jin GUO, Feng SHENG, Jianhua GUO, Xiong YANG, Mintao MA, Yongzhen PENG

Journal Article

Improved blending strategy for membrane modification by virtue of surface segregation using surface-tailored amphiphilic nanoparticles

Shuai Liang, Peng Gao, Xiaoqi Gao, Kang Xiao, Xia Huang

Journal Article

Removable Dyes—The Missing Link for In-Depth N-glycan Analysis via Multi-Method Approaches

Samanta Cajic,René Hennig,Valerian Grote,Udo Reichl,Erdmann Rapp,

Journal Article

An efficient resin for solid-phase extraction and determination by UPLCMS/MS of 44 pharmaceutical personal care products in environmental waters

Feng Zhu, Zhijian Yao, Wenliang Ji, Deye Liu, Hao Zhang, Aimin Li, Zongli Huo, Qing Zhou

Journal Article

Performance and emission characteristics of a diesel engine operating on different water in diesel emulsion fuels: optimization using response surface methodology (RSM)

Seyed Saeed HOSEINI, Mohammad Amin SOBATI

Journal Article

Removable Dyes—The Missing Link for In-Depth N-Glycan Analysis via Multi-Method Approaches

Samanta Cajic, René Hennig, Valerian Grote, Udo Reichl, Erdmann Rapp

Journal Article