Journal of Separation Science
IF
2.88
Papers
795
Papers 8647
1 page of 865 pages (8,647 results)
Newest
#1Sheng-Dong Pan (CDC: Centers for Disease Control and Prevention)H-Index: 15
Last. Li Wang (CDC: Centers for Disease Control and Prevention)
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In this paper, well-defined core-shell ethylenediamine-functional magnetic ferroferric oxide polymers were prepared, and were fully characterized by transmission electron microscopy, scanning electron microscopy, Fourier-transform infrared spectrometry, and vibrating sample magnetometer. Then, it was used as a magnetic solid-phase extraction adsorbent for simultaneous determination of 11 trace quinolone residues in freshwater fish samples coupled to liquid chromatography-tandem mass spectrometry...
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#2Menghang LiH-Index: 1
Last. Haixia Chen (TJU: Tianjin University)H-Index: 1
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The separation and purification of biomacromolecules such as nucleic acid is a perpetual topic in separation processes and bioengineering (fine chemicals, biopharmaceutical engineering, diagnostics, and biological characterization). In principle, the solid-phase extraction for nucleic acid exhibits efficient phase separation, low pollution risk, and small sample demand, compared to the conventional liquid-phase extraction. Herein, solid-phase extraction methods are systematically reviewed to out...
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#1Yuxuan Li (Yanbian University)
Last. Bo Feng
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Poloxamer is a commonly used pharmaceutical excipient. It is a high molecular polymer formed using polypropylene oxide and polyethylene oxide units. Specifically, poloxamer 124 is one of the smaller molecular weight in the poloxamer series; however, its pharmacokinetic behaviors in vivo are still unclear. In this study, a method for quantifying poloxamer 124 in rat plasma through ultra high performance liquid chromatography coupled with quadrupole time of flight mass spectrometry was developed. ...
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#1Zilin Meng (CAU: China Agricultural University)H-Index: 2
#2Zikai Liu (CAU: China Agricultural University)H-Index: 3
Last. Runhua Lu (CAU: China Agricultural University)H-Index: 23
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Perfluoro octanoic acid was modified on the surface of magnetic hyperbranched polyamideamine by acid amine condensation. The morphology and chemical composition of perfluoro octanoic acid-modified magnetic hyperbranched polyamideamine was characterized by transmission electron microscopy, Fourier transform infrared spectroscopy, zeta potential, particle size analysis, Brunauer-Emmett-Teller measurement and X-ray photoelectron spectroscopy. Perfluoro octanoic acid-modified magnetic hyperbranched ...
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#1Jun Dang (CAS: Chinese Academy of Sciences)H-Index: 11
#2Qi WangH-Index: 2
Last. Tengfei Ji (Peking Union Medical College)H-Index: 1
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Saxifraga tangutica is widely used as a medicinal herb to treat hepatic diseases. Here, we developed a class separation method to separate of gallic acid derivatives 1,1-diphenyl-2-picrylhydrazyl inhibitors from the methanol extract of Saxifraga tangutica. Firstly, an MCI GEL® CHP20P medium-pressure liquid chromatography was used to pretreat of the crude extract from Saxifraga tangutica (500 g) and the target sample (fraction Fr1, 1.7 g) was obtained. Then, an on-line reversed phase liquid chrom...
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#1Zhihao Lin (SWU: Southwest University)
#2Yaohai Zhang (SWU: Southwest University)H-Index: 7
Last. Bining Jiao (SWU: Southwest University)H-Index: 15
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An eco-friendly and efficient ultrasound-assisted deep eutectic solvents dispersive liquid-phase microextraction by solidifying the deep eutectic solvents-rich phase was developed to determine azoxystrobin, fludioxonil, epoxiconazole, cyprodinil and prochloraz in fruit juices and tea drinks by HPLC. A varieties of environmentally hydrophobic deep eutectic solvents serving as extraction agents were prepared using L-menthol and decanoic acid as hydrogen-bond acceptor and hydrogen-bond donor respec...
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#1Ping Zhang (Zunyi Medical College)
#2Zeli Chun (Zunyi Medical College)
Last. Rongxiang Chen (Zunyi Medical College)
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A combinative method using high-performance liquid chromatography-electrochemical detection for fingerprinting and quantitative analysis was developed and successfully applied for the quality evaluation of Lophatherum gracile Brongn leaves collected from 21 geographical locations in China. In the fingerprint analysis, 18 common peaks were observed among the 21 samples, and 10 peaks were identified. Simultaneous quantification of the 10 components was conducted to interpret the variations in thes...
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#1Xing-dong Wu (CAS: Chinese Academy of Sciences)H-Index: 1
#2Huali Long (CAS: Chinese Academy of Sciences)H-Index: 10
Last. De-An Guo (CAS: Chinese Academy of Sciences)H-Index: 68
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Cinnamon was been a widely used plant in medicinal and spices for a long time and has spread all over the world. However, the differences in the components of the bark from Cinnamomum cassia and Cinnamomum verum, two most common types of cinnamon, have not been thoroughly investigated. In the present experiment, ultra-high-performance liquid chromatography LTQ-Orbitrap Velos Pro hybrid mass spectrometer-based metabolomics coupled with chemometrics and feature-based molecular networking were empl...
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#1Jun-Xian Jing (CAS: Chinese Academy of Sciences)
#2Dong Pei (CAS: Chinese Academy of Sciences)H-Index: 9
Last. Xin-Yi Huang (CAS: Chinese Academy of Sciences)H-Index: 9
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In counter-current chromatography, the separation efficiency greatly depends on the partitioning ability of the separated substance between the stationary phase and the mobile phase. Partitioning ability is mainly represented by the parameter partition coefficient which is one of the important parameters to evaluate the separation effect of counter-current chromatography. The scope of the partition coefficient value mainly depends on the solvent system. A suitable solvent system election is, the...
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#1Min Qiao (Northeastern University (China))H-Index: 1
#2Peng-Fei Guo (Northeastern University (China))H-Index: 5
Last. Jian-Hua Wang (Northeastern University (China))H-Index: 59
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Selective isolation of phosphoproteins is of great significance in biological applications. Herein, titanium dioxide-functionalized dendritic mesoporous silica nanoparticles are prepared via a post-grafting method for selective capture of phosphoproteins. The fabricated nanoparticles possess unique central-radial pore structure with a surface area of 666.66 m2 g-1 and a pore size of 22.2 nm. The high binding-affinity of TiO2 with the phosphate groups facilitates the selective adsorption of phosp...
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Top fields of study
Analytical chemistry
Detection limit
Mass spectrometry
High-performance liquid chromatography
Chemistry
Capillary electrophoresis
Chromatography
Extraction (chemistry)