Showing 1,021 - 1,040 results of 1,810 for search '"Mass spectrometry"', query time: 0.12s Refine Results
  1. 1021

    Electrochemical preparation of polypyrrole-molybdenum disulfide-graphene nanocomposite coating for the determination of phenols by Ting Liang, Min Luo, Ling Shi, Hongping Yang, Guangming Yang

    Published 2025-08-01
    “…The resulting coating was applied to extract five phenolic compounds, and combined with gas chromatography-mass spectrometry (GC–MS) to establish an analytical method for the determination of 3‑chloro-4-fluorophenol, 2‑chloro-4-methoxyphenol, 2,6-dimethoxyphenol, 2,4,6-trichlorophenol, and 2,6-dichloro-4-nitrophenol in environmental samples. …”
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    Article
  2. 1022

    From contamination to detection: The growing threat of heavy metals by Basma Hossam Abdelmonem, Lereen T. Kamal, Rana M. Elbaz, Mohamed R. Khalifa, Anwar Abdelnaser

    Published 2025-01-01
    “…Although more sensitive, the high cost of inductively coupled plasma mass spectrometry (ICP-MS) may limit laboratory accessibility. …”
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    Article
  3. 1023

    Effects of Volatile Components on Mixing State and Size Distribution of Individual Black Carbon Aerosols by Kangning Li, XiaoFei Wang, Xiaohui Lu, Hong Chen, Xin Yang

    Published 2022-03-01
    “…Abstract In this study, the effects of different volatile components on the mixing state and size distribution of ambient individual black carbon (BC) aerosols were measured using thermo-denudation with single-particle soot photometry and single-particle aerosol mass spectrometry from September 9 to September 27, 2018, in Shanghai, China. …”
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    Article
  4. 1024

    Infections Caused by Actinomyces neuii: A Case Series and Review of an Unusual Bacterium by Nathan Zelyas, Susan Gee, Barb Nilsson, Tracy Bennett, Robert Rennie

    Published 2016-01-01
    “…Isolates’ identities were confirmed by matrix-assisted laser desorption ionization time-of-flight mass spectrometry microbial identification system (MALDI-TOF MS MIS; bioMérieux) and/or DNA sequencing. …”
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    Article
  5. 1025
  6. 1026

    Proteomic Analysis Reveals the Vital Role of Synaptic Plasticity in the Pathogenesis of Temporal Lobe Epilepsy by Xu Qian, Ji-Qiang Ding, Xin Zhao, Xin-Wen Sheng, Zhao-Rui Wang, Qi-xing Yang, Jing-Jun Zheng, Jia-Gui Zhong, Teng-Yue Zhang, Shu-Qiao He, Wei-Dong Ji, Wei Li, Mei Zhang

    Published 2022-01-01
    “…Isobaric tag for relative and absolute quantization (iTRAQ) coupled with liquid chromatography-tandem mass spectrometry (LC–MS/MS) technique was applied for proteomic analysis of hippocampus. …”
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    Article
  7. 1027

    Analysis of the changes of volatile flavor compounds in a traditional Chinese shrimp paste during fermentation based on electronic nose, SPME-GC-MS and HS-GC-IMS by Ying Li, Li Yuan, Huijie Liu, Hongying Liu, Yue Zhou, Miaonan Li, Ruichang Gao

    Published 2023-01-01
    “…A total of 106 volatile flavor compounds in the shrimp paste samples at different fermentation stages were identified by solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS) and headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS). …”
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    Article
  8. 1028

    Rapid detection of Tulipalin A with SESI-Orbitrap MS: an exploration across spring flowers by An N. T. Phan, Roy Eerlings, Hendrik G. Mengers, Lars M. Blank

    Published 2025-02-01
    “…Results Here, we demonstrated the secondary electrospray ionization coupled Orbitrap mass spectrometry (SESI-Orbitrap MS) methodology for quantifying tulipalin A release from plants upon injury. …”
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    Article
  9. 1029

    N-acetylated sugars in clownfish and damselfish skin mucus as messengers involved in chemical recognition by anemone host by Sara Heim, Tony Teav, Fabio Cortesi, Hector Gallart-Ayala, Julijana Ivanisevic, Nicolas Salamin

    Published 2025-01-01
    “…The free and total sialic acid content, including its conjugated form, and three other intermediates of this pathway were quantified using a stable isotope dilution mass spectrometry approach. We found significantly higher levels of sialic acid and its precursor in the non-symbiotic damselfishes. …”
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  10. 1030

    RETRACTED ARTICLE: Clinical and immuno-proteomic approach on Lantana camara pollen allergy—a major health hazard by Kavita Ghosal, Bodhisattwa Saha, Swati Gupta Bhattacharya

    Published 2016-07-01
    “…Total proteome was profiled in SDS–PAGE, 2D PAGE and immunoblotted to detect IgE binding proteins which were further identified using mass spectrometry. Results Lantana camara pollen emerged as a significant contributor from the correlation study with hospital admission of the respiratory allergy sufferers and its extract demonstrated an elevated IgE response in ELISA and histamine release assay tests. …”
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  11. 1031

    Development and Validation of a GC-MS Method for the Detection and Quantification of Clotiapine in Blood and Urine Specimens and Application to a Postmortem Case by Giulio Mannocchi, Flaminia Pantano, Roberta Tittarelli, Miriam Catanese, Federica Umani Ronchi, Francesco Paolo Busardò

    Published 2015-01-01
    “…The aim of the present study is the development and validation of a method that allows the detection and quantification of clotiapine in blood and urine specimens by gas chromatography-mass spectrometry (GC-MS). Methods. Validation was performed working on spiked postmortem blood and urine samples. …”
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  12. 1032

    Chemical Composition and Antioxidant Activity of Aloe vera from the Pica Oasis (Tarapacá, Chile) by UHPLC-Q/Orbitrap/MS/MS by Cristina Quispe, Michael Villalobos, Jorge Bórquez, Mario Simirgiotis

    Published 2018-01-01
    “…The chemical characterization was performed using liquid chromatography (UHPLC) coupled to PDA and high-resolution mass spectrometry (HESI-Q-Orbitrap®-MS) in four different plant parts of Aloe (peel, flowers, gel, and roots). …”
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    Article
  13. 1033

    Differentially expressed whey proteins of donkey and bovine colostrum revealed with a label-free proteomics approach by Mohan Li, Qilong Li, Haikun Yu, Xiumin Zhang, Dehao Li, Wanying Song, Yan Zheng, Xiqing Yue

    Published 2023-07-01
    “…This study aimed to analyze and compare the differentially expressed whey proteins (DEWPs) of donkey and bovine colostrum using high-performance liquid chromatography with tandem mass spectrometry-based proteomics. A total of 620 and 696 whey proteins were characterized in the donkey and bovine colostrum, respectively, including 383 common whey proteins. …”
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    Article
  14. 1034

    Decoding CKD-induced muscle atrophy through the critical role of lncRNA GAS5 and pyroptosis by Rong Huang, Xinying Tang, Shuang Liu, Lijing Sun

    Published 2025-03-01
    “…Furthermore, we pinpointed an interaction between GAS5 and the mitochondrial translation elongation factor (TUFM) through RNA pull-down and mass spectrometry. This interaction amplified NLRP3 activity, contributing to pyroptosis and muscle atrophy. …”
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    Article
  15. 1035

    Polyhydroxyalkanoates Biopolymer Production by Moderately Halophilic Paracoccus onubensis Strain E3: Extraction, Characterization and Synergistic Activity with Sorafenib Drug again... by Hend A. Hamedo, Ahmed E.M. Shokr, Omnia T. Abd-Elsalam, Naglaa Elshafey

    Published 2025-01-01
    “…PHAs were extracted and then subjected to Fourier transform infrared spectroscopy (FT-IR), where the spectrum showed a strong band at 1649.72 cm−1 for the carbon (C=O) stretching of the ester group, which is a common feature in PHAs structures, and Gas chromatography–mass spectrometry (GC-MS) analyses. The GC-MS identified twelve different biodegradable PHA compounds, including hexadecenoic acid and octadecanoic acid. …”
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  16. 1036

    Health risks evaluation of mycotoxins in plant-based supplements marketed in Malaysia by Rozaini Abdullah, Nur Syazwin Kamarozaman, Siti Soleha Ab Dullah, Mohd Yusmaidie Aziz, Hussein Bakheit Adam Aziza

    Published 2025-01-01
    “…Contamination levels of AFB1, AFB2, and OTA were quantified in 14 PBS samples using Liquid Chromatography-Mass Spectrometry. All samples tested positive for AFB2, while 28.57% and 42.86% tested positive for AFB1 and OTA, respectively with some levels exceeding the regulatory limits set by the Malaysian Food Act 1983 and European regulations. …”
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    Article
  17. 1037

    Gestational stress disrupts dopamine and oxytocin signaling in the postpartum reward system of rats: implications for mood, motivation and mothering by Achikam Haim, Christopher Albin-Brooks, Holly Brothers, Michaela Breach, Benedetta Leuner

    Published 2025-01-01
    “…A reduction in accumbal DA content as determined by liquid chromatography-mass spectrometry was also observed in gestationally-stressed dams. …”
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  18. 1038

    Identification of defensive antimicrobial compounds from environmental Serratia marcescens SNB-CN88 strain associated with macro-holobiont (termite nest) using a molecular network... by Nguyen, Dung, Levasseur, Marceau, Segret, Juliette, Sorres, Jonathan, Hebra, Téo, Touboul, David, Eparvier, Véronique

    Published 2024-02-01
    “…An integrated approach combining reversed-phase high-performance liquid chromatography and high-resolution tandem mass spectrometry with the use of molecular networks was applied to annotate novel chemical structures with potential antimicrobial activities. …”
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    Article
  19. 1039

    Sulfone-modified chitosan as selective adsorbent for the extraction of toxic Hg(II) metal ions by Youssef O Al-Ghamdi, Khalid A Alamry, Mahmoud A Hussein, Hadi M Marwani, Abdullah M Asiri

    Published 2019-03-01
    “…The β-ketosulfone derivative, namely 1–(4-bromophenyl)-2-(phenylsulfonyl)ethanone, was first prepared by treatment of the corresponding phenacyl bromide with a sufficient amount of sodium benzene sulfinate; its chemical structure was confirmed by spectral analyses, including Fourier transform infrared spectroscopy, 1 H-NMR, 13 C-NMR, and mass spectrometry. Then, sulfone-modified chitosan/5–20 derivatives were synthesized by the interaction of chitosan with a freshly prepared p-bromo-β-ketosulfone derivative in a mildly acidic aqueous solution using the solution-blending technique. …”
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  20. 1040