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Fast determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with

Liang ZHU, Jingkang WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11705-013-1348-z

Abstract: This method used reversed-phase ion-pair high performance liquid chromatography (HPLC) with a refractive

Keywords： tobramycin     aminoglycoside     refractive index detector     high-performance liquid chromatography     ion-pairing    

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Application of high-speed counter-current chromatography coupled with high performance liquid chromatography

Shengguo DENG, Zeyuan DENG, Yawei FAN, Jing LI, Rong LIU, Dongmei XIONG,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 375-382 doi: 10.1007/s11705-009-0247-9

Abstract: D-xylopyranosyl (1→2)-β-D-glucopyranoside was separated and purified by semi-preparative high-speedcounter-current chromatography (HSCCC) with a two-phase-solvent system composed of ethyl acetate-n-butanolA total of 5.0mg of the targeted compound with a purity of 98.6% as determined by high performanceliquid chromatography (HPLC) was obtained from 100m g of the crude extract cleaned up by AB-

Keywords： two-phase-solvent     flavonoid glycoside     high-speed counter-current     macroporous     counter-current chromatography    

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Freshwater algae chemotaxonomy by high-performance liquid chromatographic (HPLC) analysis

Yansong HOU, Wei LIANG, Liping ZHANG, Shuiping CHENG, Feng HE, Zhenbin WU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 84-91 doi: 10.1007/s11783-010-0283-1

Abstract: A high-performance liquid chromatographic (HPLC) method based on a reverse-phase C nonpolar column was

Keywords： high-performance liquid chromatographic (HPLC)     algae     pigment     chemotaxonomy    

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Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 407-412 doi: 10.1007/s11705-009-0255-9

Abstract: Monoacyl trehaloses were enzymatically synthesized and purified with silica gel column chromatographyand semi-preparative high-performance liquid chromatography (HPLC), and the purity of products was identified

Keywords： high-performance liquid     tension     different     spectrometry     chromatography    

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Trace analysis of off-flavor/odor compounds in water using liquid-liquid microextraction coupled withgas chromatography—positive chemical ionization-tandem mass spectrometry

Jian LU,Paul S. WILLS,P. CHRIS WILSON

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 477-481 doi: 10.1007/s11783-015-0820-z

Abstract: friendly method was developed for analysis of off-flavor/odor compounds in fresh and salt water using gas chromatography

Keywords： off-flavor/odor compounds     liquid-liquid microextraction     gas chromatography-tandem mass spectrometry    

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Detecting

Chengkun WANG, Xiaojian ZHANG, Jun WANG, Chao CHEN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 770-777 doi: 10.1007/s11783-012-0412-0

Abstract: An ultra-performance liquid chromatography-tandem mass spectrometry method with solid phase extractionNDMA and several other nitrosamines were found at fairly high concentrations in several water treatment

Keywords： N-nitrosamines     water treatment plant     distribution system     ultra-performance liquid chromatography-tandem    

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Simultaneous quantification of several classes of antibiotics in water, sediments, and fish muscles by liquidchromatography–tandem mass spectrometry

WEI Yimei,ZHANG Yuan,XU Jian,GUO Changsheng,LI Lei,FAN Wenhong

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 357-371 doi: 10.1007/s11783-013-0580-6

Abstract: Liquid chromatography–tandem mass spectrometry (LC-MS/MS) with multiple reaction monitoring (MRM) detection

Keywords： antibiotics     liquid chromatography–tandem mass spectrometry (LC-MS/MS)     water     sediment     fish muscle    

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Effect of cavity defect on the triaxial mechanical properties of high-performance concrete

Yanbin ZHANG; Zhe WANG; Mingyu FENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 600-614 doi: 10.1007/s11709-022-0821-5

Abstract: concentration of pipe structure or cavity defect has a great effect on the mechanical properties of the high-performancebehaviour of HPC with cavities under triaxial compression is not understood, especially when pressurized liquidIn this experiment, the pressurized liquid can only contact the surface of the sample in the cavity,while the other surfaces are isolated from the pressurized liquid.

Keywords： high-performance concrete     cavity     conventional triaxial compression     pressurized liquid     modified power-law    

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Photocatalytic degradation of methyl orange using ZnO/TiO composites

Ming GE , Changsheng GUO , Xingwang ZHU , Lili MA , Wei HU , Yuqiu WANG , Zhenan HAN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 271-280 doi: 10.1007/s11783-009-0035-2

Abstract: A sample analysis was conducted using liquid chromatography coupled with electrospray ionization ion-trap

Keywords： photocatalytic degradation     methyl orange     ZnO/TiO2 composites     high performance liquid chromatography    

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Perfluorocarboxylic acids (PFCAs) and perfluoroalkyl sulfonates (PFASs) in surface and tap water around Lake Taihu in China

Yong QIU, He JING, Hanchang SHI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 301-310 doi: 10.1007/s11783-010-0236-8

Abstract: Perfluorinated compounds (PFCs) are ubiquitously distributed in the environment mainly as perfluoro-carboxylic acids (PFCAs) and perfluoroalkyl sulfonates (PFASs). In this paper, six PFCAs and two PFASs were quantified in surface and tap water samples from 12 sites around Lake Taihu near Shanghai City in East China. Predominant PFCs were perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), of which the concentration ranges were 6.8–206 and 1.2–45 ng·L, the geometric means were 35.3 and 9.4 ng·L, and the median (quartile range) values were 31.4 (34.4) and 10.4 (10.7) ng·L, respectively. Other PFCs were also detected but in much lower concentrations than PFOA. The sources of the PFCs were expected to be direct industrial discharges in the Lake Taihu area, and this area was also a possible source of PFCs contaminations in Shanghai district in the downstream. PFCs distributions were found different in the upstream, downstream and north part of Lake Taihu. Occurrences of PFCs in the tap water in Lake Taihu area indicated their exposure to the local people. A brief estimation of the environmental risks by PFCs implied no acute or immediate risks from PFCs to local human health, but chronic risks from PFOA in the tap water should be considered in the downstream regions.

Keywords： tap water     perfluorocarboxylic acids (PFCAs)     perfluoroalkyl sulfonates (PFASs)     Lake Taihu area     ultra performanceliquid chromatography with tandem mass spectrometry (UPLC-MS)    

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High-throughput metabolomics reveals the perturbed metabolic pathways and biomarkers of Yang Huang syndrome

Heng Fang, Aihua Zhang, Xiaohang Zhou, Jingbo Yu, Qi Song, Xijun Wang

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 651-663 doi: 10.1007/s11684-019-0709-5

Abstract: High-throughput metabolomics can clarify the underlying molecular mechanism of diseases via the qualitativeUrine metabolic data were quantified by ultra-performance liquid chromatography–tandem mass spectrometryOur study indicated that the combination of high-throughput metabolomics and network pharmacology is

Keywords： metabolomics     liquid chromatography-mass spectrometry     metabolites     metabolic pathways    

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High heat flux thermal management through liquid metal driven with electromagnetic induction pump

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 460-470 doi: 10.1007/s11708-022-0825-9

Abstract: electric devices with high heat flux.A high-performance electromagnetic induction pump driven by rotating permanent magnets is designed toto investigate the pumping capacity and cooling performance.It could remarkably enhance the cooling performance by increasing the rotating speed of permanent magnetsprovides a powerful cooling strategy for thermal management of electric devices with large heat power and high

Keywords： high heat flux     liquid metal     electromagnetic pump     minichannel heat sink     thermal interface material    

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Dynamic modulation performance of ferroelectric liquid crystal polarization rotators and Mueller matrix

Song ZHANG, Lelun WANG, Anze YI, Honggang GU, Xiuguo CHEN, Hao JIANG, Shiyuan LIU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 256-264 doi: 10.1007/s11465-019-0573-7

Abstract: A ferroelectric liquid crystal polarization rotator (FLCPR) has been widely used in polarization measurementThe accurate characterization of the modulation performance of FLCPR directly affects the measurementaccuracy of the instrument based on liquid crystal modulation.In this study, FLCPR is accurately characterized using a self-developed high-speed Stokes polarimeterThe designed polarimeter combines the advantages of the high modulation frequency of FLCPR and the ultrahigh

Keywords： ferroelectric liquid crystal polarization rotator (FLCPR)     dual liquid crystal Mueller matrix polarizer    

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Characteristics and removal mechanism of the precursors of N-chloro-2,2-dichloroacetamide in a drinking water treatment process at Taihu Lake

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1338-6

Abstract:

• N-Cl-DCAM, an emerging N-DBP in drinking water was investigated.

Keywords： N-chloro-2     2-dichloroacetamide     Liquid chromatography with tandem mass spectrometry     Precursors     Removal    

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Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 164-175 doi: 10.1007/s11708-016-0407-9

Abstract: Liquid breakup in fuel spray and atomization significantly affects the consequent mixture formation,In this paper, different models for liquid breakup processes in high-pressure dense diesel sprays andengine simulation have been evaluated against experimental observations, along with the influence of the liquidTAB) based models and the RT model do not provide reasonable predictions for the characteristics of high-pressuresprays and simulated engine performance and emissions.

Keywords： breakup model     diesel engine     high-pressure injection     simulations    

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Title Author Date Type Operation

Fast determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with

Liang ZHU, Jingkang WANG

Journal Article

Application of high-speed counter-current chromatography coupled with high performance liquid chromatography

Shengguo DENG, Zeyuan DENG, Yawei FAN, Jing LI, Rong LIU, Dongmei XIONG,

Journal Article

Freshwater algae chemotaxonomy by high-performance liquid chromatographic (HPLC) analysis

Yansong HOU, Wei LIANG, Liping ZHANG, Shuiping CHENG, Feng HE, Zhenbin WU

Journal Article

Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Journal Article

Trace analysis of off-flavor/odor compounds in water using liquid-liquid microextraction coupled withgas chromatography—positive chemical ionization-tandem mass spectrometry

Jian LU,Paul S. WILLS,P. CHRIS WILSON

Journal Article

Detecting

Chengkun WANG, Xiaojian ZHANG, Jun WANG, Chao CHEN

Journal Article

Simultaneous quantification of several classes of antibiotics in water, sediments, and fish muscles by liquidchromatography–tandem mass spectrometry

WEI Yimei,ZHANG Yuan,XU Jian,GUO Changsheng,LI Lei,FAN Wenhong

Journal Article

Effect of cavity defect on the triaxial mechanical properties of high-performance concrete

Yanbin ZHANG; Zhe WANG; Mingyu FENG

Journal Article

Photocatalytic degradation of methyl orange using ZnO/TiO composites

Ming GE , Changsheng GUO , Xingwang ZHU , Lili MA , Wei HU , Yuqiu WANG , Zhenan HAN ,

Journal Article

Perfluorocarboxylic acids (PFCAs) and perfluoroalkyl sulfonates (PFASs) in surface and tap water around Lake Taihu in China

Yong QIU, He JING, Hanchang SHI,

Journal Article

High-throughput metabolomics reveals the perturbed metabolic pathways and biomarkers of Yang Huang syndrome

Heng Fang, Aihua Zhang, Xiaohang Zhou, Jingbo Yu, Qi Song, Xijun Wang

Journal Article

High heat flux thermal management through liquid metal driven with electromagnetic induction pump

Journal Article

Dynamic modulation performance of ferroelectric liquid crystal polarization rotators and Mueller matrix

Song ZHANG, Lelun WANG, Anze YI, Honggang GU, Xiuguo CHEN, Hao JIANG, Shiyuan LIU

Journal Article

Characteristics and removal mechanism of the precursors of N-chloro-2,2-dichloroacetamide in a drinking water treatment process at Taihu Lake

Journal Article

Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Journal Article