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Novel polyethyleneimine/TMC-based nanofiltration membrane prepared on a polydopamine coated substrate

Zhe Yang, Xiaoyu Huang, Jianqiang Wang, Chuyang Y. Tang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 273-282 doi: 10.1007/s11705-017-1695-2

Abstract: Most commercial NF membranes are negatively charged at the pH range of a typical feed solution.polymerization reaction on a polydopamine coated hydrolyzed polyacrylonitrile substrate to obtain a positivelycharged nanofiltration membrane.The optimal NF membrane showed high rejection for divalent ions (93.6±2.6% for MgSO , 92.4±1.3% for MgCl, and 90.4±2.1% for Na SO ), accompanied with NaCl rejection of 27.8±2.5% with a permeation flux of

Keywords： nanofiltration     polyethyleneimine     trimesoyl chloride     polydopamine     positively charged rejection layer    

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THE ANTHOCYANIN BIOSYNTHETIC REGULATOR MDMYB1 POSITIVELY REGULATES ASCORBIC ACID BIOSYNTHESIS IN APPLE

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract:

Ascorbic acid (AsA, vitamin C) is involved in the regulation of many aspects of plant growth and development. It is an essential micronutrient for humans and can prevent scurvy, maintain the health of gums and blood vessels, reduce the level of plasma cholesterol and enhance the immune systen. Apple cultivars Orin and Guanghui were crossed to obtain a group of hybrid offspring with and without red flesh in the course of assessing apple germplasm resources. Unexpectedly, the red-flesh apples had higher AsA contents than other apples. Further studies showed that the anthocyanin biosynthetic regulator MdMYB1 directly activates the expression of dehydroascorbate reductase gene MdDHAR, thus promoting the activity of the DHAR enzyme and the accumulation of AsA. This finding reveals the mechanism leading to high AsA levels in red-flesh apples and suggests a new idea to cultivate red-flesh apples with high AsA contents and produce AsA efficiently and without pollution.

 

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Temporal evolution of charged and neutral nanoparticle concentrations during atmospheric new particle

E. Rohan Jayaratne, Buddhi Pushpawela, Lidia Morawska

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0862-x

Abstract: In 50 events, charged and neutral particles were not formed at the same time.In 42 of these events the charged particles formed before the neutral particles.formation (NPF) events in the urban environment of Brisbane, Australia, showed that the formation of chargedWe studied the times at which the charged and neutral particle concentrations in the size range 1.8–3.2While the charged particles were more likely to form before the neutral particles, once formed, the growth

Keywords： Charged particles     Cluster ions     Secondary particles     Environmental pollution    

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Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1131-1151 doi: 10.1007/s11709-020-0660-1

Abstract: In this paper, Quantum Charged System Search (QCSS) algorithm is presented as a new optimization methodand used to improve the convergence capability of the original Charged System Search.

Keywords： Quantum Charged System Search     shear wall     layout optimization     tall buildings    

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THE ANTHOCYANIN BIOSYNTHETIC REGULATOR MDMYB1 POSITIVELY REGULATES ASCORBIC ACID BIOSYNTHESIS IN APPLE

Jianping AN, Xiaofei WANG, Chunxiang YOU, Yujin HAO

Frontiers of Agricultural Science and Engineering   Pages 231-235 doi: 10.15302/J-FASE-2020367

Abstract: Ascorbic acid (AsA, vitamin C) is involved in the regulation of many aspects of plant growth and development. It is an essential micronutrient for humans and can prevent scurvy, maintain the health of gums and blood vessels, reduce the level of plasma cholesterol and enhance the immune systen. Apple cultivars Orin and Guanghui were crossed to obtain a group of hybrid offspring with and without red flesh in the course of assessing apple germplasm resources. Unexpectedly, the red-flesh apples had higher AsA contents than other apples. Further studies showed that the anthocyanin biosynthetic regulator MdMYB1 directly activates the expression of dehydroascorbate reductase gene , thus promoting the activity of the DHAR enzyme and the accumulation of AsA. This finding reveals the mechanism leading to high AsA levels in red-flesh apples and suggests a new idea to cultivate red-flesh apples with high AsA contents and produce AsA efficiently and without pollution.

Keywords： anthocyanin     apples     ascorbic acid     MdMYB1     vitamin C    

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RGO-MXene membranes with wettability-regulated channels: improved water permeability and electro-enhanced rejection

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1601-8

Abstract:

● Electroconductive RGO-MXene membranes were fabricated.

Keywords： Reduced graphene oxide     MXene     Membrane     Water permeance     Dye rejection     Electro-assistance    

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Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 298-304 doi: 10.1007/s11465-013-0265-7

Abstract: Flat tensile specimens were cathodic hydrogen charged at various current densities.For each density, two specimens were charged at the same condition.The results show ductility loss occurred in the hydrogen-charged specimens and the loss increased as

Keywords： hydrogen embrittlement     ductility loss     hydrogen releasing     control strategy     304L austenitic stainless steel    

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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.Flux decline rate was positively correlated with the adhesion forces of membrane-BSA.Negatively charged carboxymethylated polyethersulfone (CMPES) and positively charged quaternized polyethersulfoneCharged modification significantly reduced the adhesion of PES membrane-BSA, and the adhesion data wasThe above experimental facts proved that the charged membrane interfacial electric double layer structure

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

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Simulation of the optimal heat rejection pressure for transcritical CO

Junlan YANG, Yitai MA, Minxia LI, Hua TIAN

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 522-526 doi: 10.1007/s11708-010-0027-8

Abstract: The simulation results show that a maximum COP exists at the optimal heat rejection pressure not onlyAlso, the optimal heat rejection pressures of the throttle valve cycle are greater than those of theIn order to further obtain correlation of the optimal heat rejection pressure for transcritical CO expanderBased on the simulation results, the values of the optimal heat rejection pressure for the expander cycle

Keywords： transcritical CO2 cycle     optimal heat rejection pressure     simulation     expander    

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Novel Ag-AgBr decorated composite membrane for dye rejection and photodegradation under visible light

Yixing Wang, Liheng Dai, Kai Qu, Lu Qin, Linzhou Zhuang, Hu Yang, Zhi Xu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 892-901 doi: 10.1007/s11705-020-2011-0

Abstract: synthesized polyacrylonitrile-ethanolamine (PAN-ETA) membrane with the aid of a chitosan (CS)-TiO layerThe introduction of the CS-TiO layer improved surface hydrophilicity and provided attachment sites forphotocatalytic membranes showed a relatively high water permeation flux (~ 47 L·m ·h ·bar ) and dyes rejectionAdditionally, the composite membranes exhibited potential long-term stability for dye/salt separation (dye rejection: ~97%; salt rejection: ~6.5%).

Keywords： Ag-AgBr     dye rejection     photodegradation     visible light    

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Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE

Ni ZHANG, Zuohua HUANG, Xiangang WANG, Bin ZHENG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 104-114 doi: 10.1007/s11708-011-0138-x

Abstract: The combustion and emission characteristics of a turbo-charged, common rail diesel engine fuelled with

Keywords： Combustion     particulate emissions     diesel-biodiesel-DEE blend     diesel engine    

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Gut microbiota and its implications in small bowel transplantation

Chenyang Wang, Qiurong Li, Jieshou Li

Frontiers of Medicine 2018, Volume 12, Issue 3,   Pages 239-248 doi: 10.1007/s11684-018-0617-0

Abstract: In fact, several studies indicated that acute and chronic allograft rejection in small bowel transplantationSBT and the potential roles of these alterations in the development of acute and chronic allograft rejectionmicrobiota as a microbial marker and/or therapeutic target for the predication and intervention of allograft rejectionexpected to provide valuable insights into the role of gut microbiota in the development of allograft rejection

Keywords： gut microbiota     small bowel transplantation     acute rejection     chronic rejection     mucosal immunity     biomarker    

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Role of membrane and compound properties in affecting the rejection of pharmaceuticals by different RO

Yang-ying Zhao, Fan-xin Kong, Zhi Wang, Hong-wei Yang, Xiao-mao Wang, Yuefeng F. Xie, T. David Waite

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0975-x

Abstract: Efforts were also devoted to understand the effect of adsorption on the rejection performance of eachResults showed that NF90 performed similarly to ESPA1 with mean rejection higher than 95%.NF270 outperformed HL in terms of both water permeability and PhAC rejection higher than 90%.Electrostatic effects were more significant in PhAC rejection by loose NF membranes than tight NF andwhich could not be simply explained by the difference in membrane surface hydrophobicity, selective layer

Keywords： Trace organic compounds (TrOCs)     Nanofiltration (NF)     Adsorption     Membrane properties     Water treatment    

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The Dual Regulatory Roles of Macrophages in Acute Allogeneic Organ Graft Rejection Review

Liang Tan, Yinan Guo, Chang Feng, Yangxiao Hou, Xubiao Xie, Yong Zhao

Engineering 2022, Volume 10, Issue 3,   Pages 21-29 doi: 10.1016/j.eng.2021.10.015

Abstract: They participate in organ graft rejection through multiple pathways, including antigen presentation,some macrophage subpopulations, such as regulatory macrophages, can protect allografts from immune rejectionallograft injury, they pay insufficient attention to the diverse roles of macrophages in allograft rejectionGreater attention should be paid to the complex and critical function of macrophages in allograft rejection

Keywords： Macrophages     Transplantation     Tolerance     Rejection     Regulatory macrophage    

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Adsorption kinetics and rejection characteristics of phthalic acid esters in NF membrane

Jin Ye,Wu Liguang,Zhang Lin

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 36-41

Abstract: The adsorption behavior and rejection characteristics of dimethyl phthalate (DMP)、 diethyl phthalateThe rejection characteristics of PAEs involved in the retention of adsorption and the retention of membraneAfter adsorption reaches saturation, the rejection mechanisms of PAEs could be described pore model,andrejection rate (R) of DMP、DEP、DnBP and DiBP were 55.1%、78%、96%、96.8% (0.5MPa,30℃,PAEs concentration

Keywords： Phthalic acid esters     Nanofiltration     Adsorption     Rejection    

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Title Author Date Type Operation

Novel polyethyleneimine/TMC-based nanofiltration membrane prepared on a polydopamine coated substrate

Zhe Yang, Xiaoyu Huang, Jianqiang Wang, Chuyang Y. Tang

Journal Article

THE ANTHOCYANIN BIOSYNTHETIC REGULATOR MDMYB1 POSITIVELY REGULATES ASCORBIC ACID BIOSYNTHESIS IN APPLE

Journal Article

Temporal evolution of charged and neutral nanoparticle concentrations during atmospheric new particle

E. Rohan Jayaratne, Buddhi Pushpawela, Lidia Morawska

Journal Article

Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Journal Article

THE ANTHOCYANIN BIOSYNTHETIC REGULATOR MDMYB1 POSITIVELY REGULATES ASCORBIC ACID BIOSYNTHESIS IN APPLE

Jianping AN, Xiaofei WANG, Chunxiang YOU, Yujin HAO

Journal Article

RGO-MXene membranes with wettability-regulated channels: improved water permeability and electro-enhanced rejection

Journal Article

Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG

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

Simulation of the optimal heat rejection pressure for transcritical CO

Junlan YANG, Yitai MA, Minxia LI, Hua TIAN

Journal Article

Novel Ag-AgBr decorated composite membrane for dye rejection and photodegradation under visible light

Yixing Wang, Liheng Dai, Kai Qu, Lu Qin, Linzhou Zhuang, Hu Yang, Zhi Xu

Journal Article

Combustion and emission characteristics of a turbo-charged common rail diesel engine fuelled with diesel-biodiesel-DEE

Ni ZHANG, Zuohua HUANG, Xiangang WANG, Bin ZHENG

Journal Article

Gut microbiota and its implications in small bowel transplantation

Chenyang Wang, Qiurong Li, Jieshou Li

Journal Article

Role of membrane and compound properties in affecting the rejection of pharmaceuticals by different RO

Yang-ying Zhao, Fan-xin Kong, Zhi Wang, Hong-wei Yang, Xiao-mao Wang, Yuefeng F. Xie, T. David Waite

Journal Article

The Dual Regulatory Roles of Macrophages in Acute Allogeneic Organ Graft Rejection

Liang Tan, Yinan Guo, Chang Feng, Yangxiao Hou, Xubiao Xie, Yong Zhao

Journal Article

Adsorption kinetics and rejection characteristics of phthalic acid esters in NF membrane

Jin Ye,Wu Liguang,Zhang Lin

Journal Article