Showing 981 - 1,000 results of 1,443 for search '"mass spectrometry"', query time: 0.11s Refine Results
  1. 981

    A Comparative Study of Advanced Oxidation Processes for the Removal of the Antibiotic Sulfadoxine from Water—Transformation Products and Toxicity by Panagiotis A. Bizirtsakis, Kyriaki Anagnostopoulou, Vasilis C. Sarasidis, Panagiota Petsi, Alexandra Moschona, Konstantinos V. Plakas, Dimitra A. Lambropoulou

    Published 2025-01-01
    “…High-Resolution Mass Spectrometry identified 11 SDX transformation products formed during photocatalysis, with their formation mechanisms reported for the first time. …”
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  2. 982

    Identification of meibomian gland testosterone metabolites produced by tissue-intrinsic intracrine deactivation activity by Khanh Tien Nguyen Pham, Takahito Miyake, Tomo Suzuki, Shigeru Kinoshita, Yuki Hamada, Hikari Uehara, Mamiko Machida, Takeshi Nakajima, Emi Hasegawa, Masao Doi

    Published 2025-02-01
    “…Here, we performed radioactive tracer studies in combination with pharmacological enzyme inhibition, followed by targeted liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis, and found three androgen metabolites—androstanedione, androsterone, and epiandrosterone—in mouse and human meibomian glands. …”
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  3. 983

    Comparative efficacy of plant derived extracts with the insecticide mospilan on two whitefly species Bemisia tabaci biotype B and Trialeurodes ricini by Hanaa S. Hussein, Mamdouh H. Idriss, Farouk H. El-Gayar, Hebatullah Yehia Saad Mousa, Mohamed Z. M. Salem

    Published 2025-01-01
    “…The chemical compositions of HEs were identified using gas chromatography-mass spectrometry (GC-MS) and gas chromatography with flame-ionization detection (GC-FID) analysis. …”
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  4. 984

    Coexistence of blaMIR-1 and blaNDM-1 resistance genes with a novel ST type in Enterobacter roggenkampii from a stool sample: A genome sequencing study by Qin Wang, Sayyed Salman, Ye Luo, XiaoMei Tong

    Published 2025-01-01
    “…Individual colonies were isolated, and bacterial species were identified using matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry and 16S rRNA gene sequencing. Genomic DNA was extracted and sequenced via Illumina and Oxford Nanopore sequencing. …”
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    Article
  5. 985

    Analysis of key aroma-active compounds in cooked river snail (Sinotaia quadrata) meat by Jingyu Yao, Liqiong Wen, Li Ling, Peng Wan, Rui Wang, Weiliang Guan, Qinzhi Wang, De-Wei Chen

    Published 2025-06-01
    “…In this study, vacuum simultaneous steam distillation extraction (V-SDE) was used to extract the volatile components in cooked river snail meat, and then gas chromatography-mass spectrometry combined with olfactometry (GC-MS-O) was used to characterize the key aroma-active compounds. …”
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    Article
  6. 986

    Antibacterial and antibiofilm activities of kaffir lime essential oils and their active constituents against Staphylococcus aureus focusing on sortase A by Chayapol Pontanayodsakorn, Chatchakorn Eurtivong, Pimsumon Jiamboonsri

    Published 2025-01-01
    “…The compositions of the essential oils were identified by gas chromatography/mass spectrometry (GC/MS), and their antibacterial activity was determined through broth-microdilution and time-kill assays. …”
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    Article
  7. 987

    Chemical Separation on Silver Nanorods Surface Monitored by TOF-SIMS by Ondrej Petruš, Andrej Oriňak, Renáta Oriňaková, Christian Muhmann, Ján Macko, Radim Hrdý, Jaromír Hubálek, Branislav Erdelyi, Heinrich F. Arlinghaus

    Published 2017-01-01
    “…The position of the resolved compounds was analysed by time-of-flight secondary ion mass spectrometry (TOF-SIMS) which measured the fragments and the molecular ions of the two compounds separated on the silver nanorods surface. …”
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  8. 988

    Characterization of a Novel Male Pheromone Compound in <i>Leucoptera sinuella</i> (Lepidoptera: Lyonetiidae) and Its Role in Courtship Behavior by Laura Sánchez-Aros, Abel F. O. Queiroz, Jorge Guajardo, Wilson Barros-Parada, Glenn P. Svensson, Jan Bergmann

    Published 2024-12-01
    “…Male HP glands were solvent-extracted and analyzed by gas chromatography–mass spectrometry. Chemical microderivatization and comparisons of mass spectra and retention indices of natural compounds with synthetic standards led to the identification of two compounds: (<i>Z</i>)-3-decenyl hexanoate (the major component) and (<i>Z</i>)-3-decen-1-ol (a minor component). …”
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  9. 989

    Sources of polycyclic aromatic hydrocarbons exposure and their effects on glycolipid metabolism in pregnant women and their newborn in Haikou City, China by Xiaomei Cheng, Haifeng Gao, Qiaojun Li, Naifan Zhang, Ying Lu

    Published 2025-01-01
    “…Data on lifestyle and dietary habits were collected, and PAH levels in venous blood and umbilical cord blood were measured using gas chromatography-mass spectrometry. Glycolipid metabolism indicators, including fasting plasma glucose (FPG), triglycerides (TG), total cholesterol (TC), high-density lipoprotein (HDL), and low-density lipoprotein (LDL), were also measured. …”
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  10. 990

    PEBP1 amplifies mitochondrial dysfunction-induced integrated stress response by Ling Cheng, Ian Meliala, Yidi Kong, Jingyuan Chen, Christopher G Proud, Mikael Björklund

    Published 2025-01-01
    “…The integrated stress response (ISR) serves as a critical adaptation mechanism to a variety of stresses, including those originating from mitochondria. By utilizing mass spectrometry-based cellular thermal shift assay (MS-CETSA), we uncovered that phosphatidylethanolamine-binding protein 1 (PEBP1), also known as Raf kinase inhibitory protein (RKIP), is thermally stabilized by stresses which induce mitochondrial ISR. …”
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  11. 991

    Discovery of novel serum peptide biomarkers for cholangiocarcinoma recurrence through MALDI-TOF MS and LC–MS/MS peptidome analysis by Vasin Thanasukarn, Piya Prajumwongs, Nattha Muangritdech, Watcharin Loilome, Nisana Namwat, Poramate Klanrit, Arporn Wangwiwatsin, Sawanya Charoenlappanit, Janthima Jaresitthikunchai, Sittiruk Roytrakul, Attapol Titapun

    Published 2025-01-01
    “…This study aimed to identify novel peptide mass fingerprints (PMFs) and potential biomarker panels in the serum of CCA patients with early and late recurrence using mass spectrometry. Serum samples of 81 CCA patients were analyzed using MALDI-TOF MS and LC–MS/MS, with statistical analysis correlating peptide profiles with clinical outcomes like disease-free survival (DFS) and overall survival (OS). …”
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  12. 992

    Circadian Variation of Zinc, Copper, Selenium, and Bromine in Human Milk by Nor Hidayah Mohd Taufek, Hana’ Nahlaa Hafiz Majdi, Aina Zafirah Azhar, Abdul Rahman Fata Nahas, Awis Sukarni Mohmad Sabere, Joseph Bidai

    Published 2025-01-01
    “…Milk samples were analysed using inductively coupled plasma mass spectrometry. Data on zinc, copper, selenium, and bromine concentrations were analysed using Microsoft Excel 2021 and reported descriptively to determine circadian variation. …”
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    Article
  13. 993

    Ciprofloxacin stress changes key enzymes and intracellular metabolites of Lactobacillus plantarum DNZ-4 by Pin Chen, Xiaoqian Chen, Wei Yu, Bo Zhou, Lihua Liu, Yuzhuo Yang, Peng Du, Libo Liu, Chun Li

    Published 2022-03-01
    “…Gas chromatography-mass spectrometry was used to analysis the changes of main metabolites in the cells and principal component analysis and partial least square model were constructed. …”
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  14. 994

    Metabolomics-based study on the effect of low-voltage electrostatic field treatment on the storage quality of postharvest square bamboo shoots by Xi Wang, Yingchun Mu, Wei Su, Xing Lei, Zuhao Wang, Pulai Zhang

    Published 2025-01-01
    “…This study explored the effects of LP treatment on the storage quality of square bamboo shoots using physicochemical, gas chromatography–mass spectrometry, and metabolomics methods. Results showed that with prolonged storage, the LP-treated group had lower activities of peroxidase, phenylalanine ammonia-lyase, and lower levels of malondialdehyde, cellulose, and lignin compared to the control group, while superoxide dismutase and catalase activities and shear force values were higher. …”
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  15. 995

    Chemical Composition, Antioxidant Activity, and Antifungal Effects of Essential Oil from Laurus nobilis L. Flowers Growing in Morocco by Ibrahim Mssillou, Abdelkrim Agour, Asmae El Ghouizi, Noureddine Hamamouch, Badiaa Lyoussi, Elhoussine Derwich

    Published 2020-01-01
    “…The chemical composition of the obtained essential oil and chemotypes was determined using gas chromatography coupled with mass spectrometry (GC/MS) and gas chromatography with flame ionization detection (GC-FID). …”
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    Article
  16. 996

    Comprehensive GC-MS Characterization and Histochemical Assessment of Various Parts of Three <i>Colchicum</i> Species from Bulgarian Flora by Ivayla Dincheva, Ilian Badjakov, Vasil Georgiev, Ivanka Semerdjieva, Radka Vrancheva, Ivan Ivanov, Atanas Pavlov

    Published 2025-01-01
    “…Using gas chromatography-mass spectrometry (GC-MS), 66 metabolites were identified, encompassing free amino, organic, phenolic, and fatty acids, sugars, and alkaloids, which were distributed among various plant parts. …”
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    Article
  17. 997

    Monoallelic variants resulting in substitutions of MAB21L1 Arg51 Cause Aniridia and microphthalmia. by Hildegard Nikki Hall, Hemant Bengani, Robert B Hufnagel, Giuseppe Damante, Morad Ansari, Joseph A Marsh, Graeme R Grimes, Alex von Kriegsheim, David Moore, Lisa McKie, Jamalia Rahmat, Catia Mio, Moira Blyth, Wee Teik Keng, Lily Islam, Meriel McEntargart, Marcel M Mannens, Veronica Van Heyningen, Joe Rainger, Brian P Brooks, David R FitzPatrick

    Published 2022-01-01
    “…Induced expression of GFP-tagged wildtype and mutant MAB21L1 in human cells caused only modest transcriptional changes. Mass spectrometry of immunoprecipitated protein revealed that both mutant and wildtype MAB21L1 associate with transcription factors that are known regulators of PAX6 (MEIS1, MEIS2 and PBX1) and with poly(A) RNA binding proteins. …”
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    Article
  18. 998

    Metabolomic profiles of preterm small-for-gestational age infants by Koh Okuda, Nobuhiko Nagano, Kimitaka Nakazaki, Kengo Matsuda, Wataru Tokunaga, Kazumasa Fuwa, Ryoji Aoki, Aya Okahashi, Ichiro Morioka

    Published 2025-01-01
    “…Metabolomic analyses were performed using capillary electrophoresis time-of-flight mass spectrometry. The median GA at birth was not significantly different between the two groups [SGA, 32 (26–36) weeks; non-SGA, 32 (25–35) weeks; p = 0.661)]. …”
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  19. 999

    Effect of AAPH oxidation on digestion characteristics of seed watermelon (Citrullus lanatus var) kernels protein isolates by Shugang Li, Zhihao Li, Xiuting Li, Ping Wang, Xiongwei Yu, Qinli Fu, Sihai Gao

    Published 2020-12-01
    “…The free sulfhydryl content of WMP was 18.24 mmol/g decreased to 11.25 mmol/g, α-helix decreased and β-sheet decreased in secondary structure, and its disulfide bond increased by 43.06 mmol/g from 39.57 mmol/g, enthalpy (ΔH) and denaturation temperature increased (Td) (P < 0.05). By mass spectrometry results of simulated gastric digestion products, it was found that oxidation adversely affected the digestion characteristics of WMP. …”
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  20. 1000