Journal of Chromatography B
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#1Thomai Mouskeftara (A.U.Th.: Aristotle University of Thessaloniki)H-Index: 1
#2Christina Virgiliou (A.U.Th.: Aristotle University of Thessaloniki)H-Index: 8
Last. Helen G. Gika (A.U.Th.: Aristotle University of Thessaloniki)H-Index: 32
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Abstract null null Pesticide poisoning is a common occurrence due to their widespread use, easy access and high toxicity even in small concentrations. The most common poisoning fatalities have been observed due to exposure to organophosphates, carbamates and neonicotinoids, thus development of a method for the rapid determination of these compounds in blood and urine is of great importance for clinical and toxicology laboratories. A simple, fast and reliable method was developed for the determin...
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#1Jansons Martins (LU: University of Latvia)
Last. Karkee Hark Bahadur (UT: University of Tartu)
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Abstract Glyphosate and other polar and acidic pesticides have been particularly studied due to the concerns over widespread and intensive use. The chemical properties of these compounds necessitate use of customised methods, such as derivatisation or ion exchange chromatography. These approaches present a compatibility problem with ESI–MS due to presence of salts and non-volatile compounds. For that reason, a simple procedure has been developed for the extraction, pre–column derivatisation with...
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#1Max Sauter (Heidelberg University)H-Index: 8
#2Kathrin I. Foerster (Heidelberg University)H-Index: 8
Last. Jürgen Burhenne (Heidelberg University)H-Index: 52
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Abstract Selinexor, a first-in-class inhibitor of the nuclear export protein Exportin-1 (XPO1), was recently approved for the treatment of multiple myeloma in combination with dexamethasone, and as monotherapy for diffuse large B-cell lymphoma. To enable investigations of selinexor in mice, we established and validated an ultrahigh-performance liquid chromatography – tandem mass spectrometry (UPLC-MS/MS) assay in the plasma concentration range of 1–1000 ng/mL using plasma microsamples of 5 µL. P...
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#1Peijie Zhang (Beijing University of Chinese Medicine)
Last. Li Tang (MOE: Chinese Ministry of Education)
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Abstract In comparison of liquid chromatography, direct infusion is a superior choice to achieve high-throughput measurements. The specificity and selectivity of tandem mass spectrometry (MS/MS) actually result in a so-called MS separation potential when chemical characterization of herbal medicines. Here, a MS/MSALL program was introduced to promote DI–MS/MS to be an eligible tool for shotgun chemome characterization of Artemisia rupestris L. that is currently drawing worldwide interests becaus...
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#1Jie Wang (WMU: Wenzhou Medical College)
#2Honghai Wang (ZJSU: Zhejiang Gongshang University)H-Index: 4
Last. Haixing Wang (WMU: Wenzhou Medical College)H-Index: 8
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Abstract null null Swimming crab, Portunus trituberculatus, is popularly consumed because of its flavor and nutritional value. Herein, the crabs cultivated with formulated feed, frozen trash fish, and mixed feed were lipidomically analyzed by non-target HILIC-QTRAP/MS. The results showed that there were four phospholipid classes comprising 81 molecular species with plenty of polyunsaturated fatty acyl chains observed. The formulated feed group owned the highest content of phospholipids (332.91 μ...
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#1Zsolt Galla (University of Szeged)H-Index: 5
#2Gábor Rácz (University of Szeged)H-Index: 7
Last. Péter Monostori (University of Szeged)H-Index: 8
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Abstract null null Simultaneous determination of kynurenines, neurotransmitters, pterins and steroids linked to various neurological and metabolic diseases have important diagnostic significance for related pathology and drug monitoring. An improved, sensitive and selective ultra-high performance liquid chromatography coupled to electrospray ionization triple quadrupole mass spectrometric (UHPLC-MS/MS) method, based on our earlier publication, has been proposed for the quantitative measurement o...
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#1Hamed Sahebi (FDA: Food and Drug Administration)
#2Hamed Zandavar (MUT: Malek-Ashtar University of Technology)H-Index: 5
Last. Somayeh Mirsadeghi (Tehran University of Medical Sciences)H-Index: 9
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A novel magnetic nanocomposite of chitosan-grafted-poly(N-vinylcaprolactam) (Fe3O4/SiO2/CHT-g-PNVCL MNC) were synthesized. Chitosan was prepared from shrimp shells Penaeus monodon by a green deacetylation approach. N-vinylcaprolactam was first polymerized on the surface of Fe3O4 magnetic nanoparticles using surface-initiated atom transfer radical polymerization. Then, the Fe3O4 nanoparticles modified with carboxyl-terminated- poly(N-vinylcaprolactam) was grafted onto chitosan. Various techniques...
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#1Dilaram Nijat (CAS: Chinese Academy of Sciences)H-Index: 1
#2Chun-fang Lu (CAS: Chinese Academy of Sciences)
Last. Haji Akber Aisa (CAS: Chinese Academy of Sciences)H-Index: 27
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Abstract null null In this study, the antidiabetic and antioxidant properties of the chemical constituents of Rosa rugosa Thunb. (R. rugosa) was evaluated through analysis of spectrum-effect relationship. The ultra-performance liquid chromatography (UPLC) fingerprints of 21 batches of R. rugosa were evaluated by similarity analysis (SA) and hierarchical clustering analysis (HCA). The 28 common components were identified by ultra-high-performance liquid chromatography coupled to quadrupole-orbitr...
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#1Gilles Coppieters (UGent: Ghent University)H-Index: 3
#2Koen Deventer (UGent: Ghent University)H-Index: 28
Last. Péter Judák (UGent: Ghent University)H-Index: 5
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Nano-liquid chromatography (nanoLC) has proven itself as a powerful tool and its scope entails various applications in (bio)analytical fields. Operation at low (nL/min) flow rates in combination with reduced inner dimensions (ID < 100 µm), leads to significantly enhanced sensitivity when coupled with electrospray ionization-mass spectrometry (ESI-MS). Challenges that remain for the routine implementation of such miniaturized setups are related to clogging of the system and robustness in general,...
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#1Xiaomin Yu (WMU: Wenzhou Medical College)H-Index: 2
#2Huamin Liu (WMU: Wenzhou Medical College)
Last. Congcong Wen (WMU: Wenzhou Medical College)H-Index: 12
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Abstract null null Yunaconitine and indaconitine are active ingredients from the rhizomes of Aconitum plants. In this study, an ultra-high-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) method was developed to measure the concentrations of the yunaconitine and indaconitine in mouse blood, and the method was applied in measuring the pharmacokinetics of the two alkaloids after oral and intravenous administration. A UPLC HSS T3 column (2.1 mm × 100 mm, 1.8 μm particle size)...
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Top fields of study
Analytical chemistry
Detection limit
Mass spectrometry
High-performance liquid chromatography
Chemistry
Chromatography
Liquid chromatography–mass spectrometry