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481
Direct Analysis of Low-Volatile Molecular Marker Extract from Airborne Particulate Matter Using Sensitivity Correction Method
Published 2016-01-01“…Analysis of artificial sample extracts was directly conducted by gas chromatography-mass spectrometry (GC-MS). After every sample injection, a standard mixture was also analyzed to make a correction on the variation of instrumental sensitivity caused by the unfavorable matrix contained in the extract. …”
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482
Alginate Nanoparticles Containing Cuminum cyminum and Zataria multiflora Essential Oils with Promising Anticancer and Antibacterial Effects
Published 2024-01-01“…The nanoparticles were comprehensively characterized using techniques such as gas chromatography-mass spectrometry (GC-MS), dynamic light scattering (DLS), zetasizer, attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and ultraviolet-visible spectroscopy (UV-Vis). …”
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483
Network-Based Protein Biomarker Discovery Platforms
Published 2016-03-01“…The advances in mass spectrometry-based proteomics technologies have enabled the generation of global proteome data from tissue or body fluid samples collected from a broad spectrum of human diseases. …”
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484
Antibacterial Activity and Chemical Composition of Essential Oil of Athamanta sicula L. (Apiaceae) from Algeria
Published 2012-01-01“…Tingara sicula) was analysed by gas phase chomatography coupled to mass spectrometry (GC-MS). The main constituents were: germacrene B (88.5%) and apiol (4.9%). …”
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485
Diversity of the non-targeted metabolomic data across various varieties of Cloves (Syzygium spp.)Figshare
Published 2025-02-01“…Here, we employed a non-targeted mass-spectrometry-based metabolomics approach to characterize the metabolic profiles of leaves from ten clove varieties, including S. obtusifolium. …”
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486
Quantitative Detection of Amino Acids and Carnitine in Human Blood and Quality Control of Peptide Drugs
Published 2022-01-01“…First, a method for the detection of 10 amino acids and 32 acylcarnitine metabolites in human blood was established and analyzed by liquid chromatography tandem mass spectrometry. Through the experimental research on typical peptide drugs, combined with the classical synthesis process and the PLS-DA model of human body in different regions, the relevant detection methods for the quality control of peptide drugs were established, which provided a reference for the formulation of peptide drug quality standards. …”
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487
Synthesis and evaluation of bisulfate/mesylate-conjugated chlortetracycline with high solubility and bioavailability
Published 2020-12-01“…Chlortetracycline bisulfate and chlortetracycline mesylate were successfully synthesized and characterized with several techniques, including spectroscopy, chromatography and mass spectrometry, which demonstrated that the C4-dimethylamino group of chlortetracycline can accept a proton from sulfuric acid and methanesulfonic acid to form the corresponding salts. …”
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488
Gut microbiota interacting with vitamin D but not anandamide might contribute to the pathogenesis of preeclampsia: a preliminary study
Published 2025-02-01“…Plasma AEA concentrations and serum VitD levels were determined by high-performance liquid chromatography-mass spectrometry (HPLC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS), respectively.ResultsIn this study, β diversity but not α diversity significantly differed between the LP and PE groups. …”
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489
The Influences of Rootstock on the Performance of Pinot Noir (Vitis vinifera L.): Berry and Wine Composition
Published 2024-01-01“…The phenolic composition of the wine over the two vintages was identified and quantified by high-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (HPLC-QTOF-MS/MS) and HPLC with diode-array detection (HPLC-DAD). …”
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490
Chemical Composition of Mexicali Propolis and Its Effect on Gastric Repair in an Indomethacin-Induced Gastric Injury Murine Model
Published 2025-01-01“…The chemical composition was analysed using HPLC—TOF—MS (High—Performance Liquid Chromatography—Time—Of—Flight Mass Spectrometry) and GC—MS (Gas Chromatography–Mass Spectrometry), and a total of 52 compounds were identified. …”
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491
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492
Degradation kinetics, pathways, transformation products, and toxicity assessment of fluorochloridone in agricultural soils
Published 2025-01-01“…High Performance Liquid Chromatography coupled with Tandem Mass Spectrometry (HPLC-MS/MS) was subsequently used for further quantification of these TPs in all samples under examination. …”
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493
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494
Ethanolamine-induced assembly of microcompartments is required for Fusobacterium nucleatum virulence
Published 2025-02-01“…Deletion of the response regulator EutV eliminated this induction of eut mRNAs and BMCs, thus demonstrating that BMC formation is transcriptionally regulated by the TCS EutV-EutW in response to ethanolamine. Mass spectrometry of isolated BMCs unveiled the identity of the constituent proteins EutL, EutM1, EutM2, and EutN. …”
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495
Spectroscopic, Thermal, Electrochemical, and Antimicrobial Studies of Mononuclear Manganese(II) Ditolyldithiophosphates
Published 2013-01-01“…New complexes of manganese(II) corresponding to [{(ArO)2PS2}2Mn] and [{(ArO)2PS2}2Mn.nL] (Ar=o-,m-,p-CH3C6H4 and p-Cl-m-CH3C6H3; n=1, L = N2C12H8, N2C10H8; n=2, L = NC5H5, P(C6H5)3) have been synthesized and characterized by microelemental analyses (C, H, and N), magnetic susceptibility, molar conductance, thermogravimetric, cyclic voltammetry, and spectral analyses including ESI mass spectrometry, IR, and UV-visible. The presence of a four-and-six coordinated Mn atoms has been established in the complexes and adducts, respectively. …”
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496
Impact of Aqueous Extract Artemisia Herba-Alba Leaves as a Green Inhibitor against Acid Activation of 2024 Aluminum Alloy
Published 2024-01-01“…Liquid chromatography/high resolution mass spectrometry is used to identify the chemical constituents of the natural extract, and the most abundant phytochemicals for each subclass of metabolite are investigated using density functional theory (DFT) calculations. …”
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497
Analytical protocol for measuring micro-molar quantities of sulfur volatile species in experimental high pressure and temperature fluids
Published 2025-01-01“…We demonstrate that ex-situ measurements of these fluids by quadrupole mass spectrometry ensure accurate and precise analysis, confirming predicted thermodynamic compositions. …”
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498
Two-Component Signal Transduction System SaeRS Positively Regulates Staphylococcus epidermidis Glucose Metabolism
Published 2014-01-01“…In this study, we performed a proteomic analysis of differences in expression between the S. epidermidis 1457 wild-type and saeRS mutant to identify candidates regulated by saeRS using two-dimensional gel electrophoresis (2-DE) combined with matrix-assisted laser desorption/lonization mass spectrometry (MALDI-TOF-MS). Of 55 identified proteins that significantly differed in expression between the two strains, 15 were upregulated and 40 were downregulated. …”
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499
Liquid-Phase Ethanol Oxidation and Gas-Phase CO Oxidation Reactions over M Doped (M = Ag, Au, Pd, and Ni) and MM′ Codoped CeO2 Nanoparticles
Published 2016-01-01“…Herein, M doped (M = Ag, Au, Pd, and Ni) and MM′ codoped CeO2 nanoparticles (NPs) were prepared by a hydrothermal method and their liquid-phase ethanol and gas-phase CO oxidation performances were examined by UV-visible absorption spectroscopy and temperature programmed mass spectrometry, respectively. The ethanol and CO oxidation performances were enhanced greatly by metal-doping and were dependent on the relative concentration of codoped metals. …”
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500
Update on New Antigens in the Pathogenesis of Membranous Nephropathy
Published 2022-09-01“…The availability of novel techniques such as laser micro-dissection and tandem mass spectrometry, as well as immunochemistry with antibodies directed against novel proteins, allowed the confirmation of new antigens involved. …”
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