Showing 1,781 - 1,800 results of 1,810 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 1781

    Performance evaluation of four cascade impactors for airborne ultrafine-particle (UFP) collection: the influence of particle type, concentration, mass, and chemical nature by E. Eckenberger, A. Mittereder, N. Gawlitta, N. Gawlitta, J. Schnelle-Kreis, J. Schnelle-Kreis, M. Sklorz, D. Brüggemann, R. Zimmermann, R. Zimmermann, A. C. Nölscher

    Published 2025-01-01
    “…We analyzed six markers representing typical UFP sources and various molecular<span id="page46"/> properties using HPLC-MS/FLD (high-performance liquid chromatography with mass spectrometry and fluorescence detection). These markers comprised benzo[a]pyrene (BaP), benzo[b]fluoranthene (BbF), levoglucosan (Levo), pinic acid (PA), terpenylic acid (TA), and N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD). …”
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  2. 1782

    HPLC-MS standardization and validation methods for determination of calactin content in dichloromethane fraction of Calotropis gigantea (L.) Dryand. (Niu jiao gua) stem bark and it... by Naphat Kaewpaeng, Sudaporn Wongwan, Khemmachat Pansooksan, Chanakan Chailom, Pattaraporn Chaisupasakul, Dumrongsak Pekthong, Nitra Nuengchamnong, Zhi-Hong Jiang, Li-Ping Bai, Piyarat Srisawang, Supawadee Parhira

    Published 2025-02-01
    “…Therefore, this study aimed to develop more sensitive and reliable method for measurement of calactin in CGD by using a HPLC- electrospray ionization mass spectrometry (ESI-MS) for its application on quality control and prediction of anticancer activity of CGD. …”
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  3. 1783

    Biosynthesis inhibition of miR-142-5p in a N 6-methyladenosine-dependent manner induces neuropathic pain through CDK5/TRPV1 signaling by Jinshi Li, Yang Guo, Chen Zhu, Dongxu Wang, Yuan Li, Xiaotong Hao, Linyan Cao, Yiting Fan, Bo Fang

    Published 2025-01-01
    “…For assessing the interaction mechanism and binding site between TRPV1 and CDK5, various techniques were applied, including mass spectrometry, coimmunoprecipitation (co-IP), and glutathione-S-transferase (GST)-pulldown assays. …”
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  4. 1784

    Whole genome sequencing of a novel carrageenan-degrading bacterium Photobacterium rosenbergii and oligosaccharide preparation by Jing Chen, Jing Chen, Runmin Chen, Kit-Leong Cheong, Zhuo Wang, Rui Li, Xuejing Jia, Qiaoli Zhao, Xiaofei Liu, Bingbing Song, Saiyi Zhong, Saiyi Zhong

    Published 2025-01-01
    “…Hydrolysis products were analyzed using thin-layer chromatography (TLC) and electrospray ionization mass spectrometry (ESI-MS).ResultsPhotobacterium rosenbergii GDSX-4 is a Gram-negative bacterium isolated from the red algae, capable of degrading several polysaccharides. …”
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  5. 1785

    Metabolomics insights into doxorubicin and 5-fluorouracil combination therapy in triple-negative breast cancer: a xenograft mouse model study by Mai M. Hassanein, Mai M. Hassanein, Yousra A. Hagyousif, Yousra A. Hagyousif, Ruba A. Zenati, Ruba A. Zenati, Hamza M. Al-Hroub, Farman Matloob Khan, Ahmad Y. Abuhelwa, Ahmad Y. Abuhelwa, Karem H. Alzoubi, Karem H. Alzoubi, Nelson C. Soares, Nelson C. Soares, Waseem El-Huneidi, Waseem El-Huneidi, Eman Abu-Gharbieh, Eman Abu-Gharbieh, Eman Abu-Gharbieh, Hany Omar, Hany Omar, Dana M. Zaher, Yasser Bustanji, Yasser Bustanji, Yasser Bustanji, Mohammad H. Semreen, Mohammad H. Semreen

    Published 2025-01-01
    “…This study aimed to investigate the effects of doxorubicin (DOX) and 5-fluorouracil (5-FU) as monotherapies and in combination using an established MDA-MB-231 xenograft model in female BALB/C nude mice employing advanced metabolomics analysis to identify molecular alterations induced by these treatments.MethodsWe conducted comprehensive plasma and tumor tissue sample profiling using ultra-high-performance liquid chromatography-electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS).ResultsEach treatment group exhibited unique metabolic profiles in plasma and tumor analysis. …”
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  6. 1786

    T Cell-Derived Apoptotic Extracellular Vesicles Ameliorate Bone Loss via CD39 and CD73-Mediated ATP Hydrolysis by Yang X, Zhou Y, Zhou F, Bao L, Wang Z, Li Z, Ding F, Kuang H, Liu H, Tan S, Qiu X, Jing H, Liu S, Ma D

    Published 2025-01-01
    “…Therefore, this study aimed to investigate whether T cell-derived ApoEVs could promote bone mass recovery in osteoporosis mice and reveal the underlying mechanisms.Methods: ApoEVs were isolated through sequential centrifugation, and their proteomic profiles were identified via mass spectrometry. Western blot and immunogold staining confirmed the enrichment of CD39 and CD73 on ApoEVs. …”
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  7. 1787

    AlphaFold-based AI docking reveals AMPK/SIRT1-TFEB pathway modulation by traditional Chinese medicine in metabolic-associated fatty liver disease by Lulu Zhang, Yi Zheng, Mingyan Shao, Aiping Chen, Meiyi Liu, Wenlong Sun, Tianxing Li, Yini Fang, Yang Dong, Shipeng Zhao, Hui Luo, Juan Feng, Qi Wang, Lingru Li, Yanfei Zheng

    Published 2025-02-01
    “…Liquid chromatography-mass spectrometry combined with molecular docking expounded its five compounds in QGJZF binding to AMPK protein. …”
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  8. 1788
  9. 1789

    Vitamin K‐dependent gamma‐carboxyglutamic acid protein 1 promotes pancreatic ductal adenocarcinoma progression through stabilizing oncoprotein KRAS and tyrosine kinase receptor EGF... by Zheng Wu, Qing Ye, Shan Zhang, Li‐Peng Hu, Xiao‐Qi Wang, Lin‐Li Yao, Lei Zhu, Shu‐Yu Xiao, Zong‐Hao Duan, Xue‐Li Zhang, Shu‐Heng Jiang, Zhi‐Gang Zhang, De‐Jun Liu, Dong‐Xue Li, Xiao‐Mei Yang

    Published 2025-01-01
    “…PDAC cell lines with overexpressed, knockdown, and mutated PRRG1 were developed to study biological functions and pathways using RNA‐seq, co‐immunoprecipitation with mass spectrometry, Western blotting, and immunofluorescence. …”
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  10. 1790

    Identification of reproductive performance in Bali-polled bulls using computer-assisted semen analysis and plasma seminal proteomics by Athhar Manabi Diansyah, Sanstoso Santoso, Herdis Herdis, Muhammad Yusuf, Tri Puji Priyatno, Tulus Maulana, Abdul Latief Toleng, Muhammad Ihsan Andi Dagong, Syahruddin Said, Hikmayani Iskandar, Aeni Nurlatifah, Puji Lestari, Lukman Affandy, Abdullah Baharun

    Published 2025-01-01
    “…Seminal plasma proteins were analyzed through liquid chromatography–tandem mass spectrometry (LC-MS/MS) and annotated using the UniProt database, PANTHER for gene ontology, and STRING database for protein interactions. …”
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  11. 1791

    Association between fat-soluble vitamin co-exposure patterns and blood pressure in people with hypertension: a cross-sectional study by Suming Dai, Ping Wang, Sijia Wang, Sijia Wang, Hong Chen, Zhixin Cui, Wenhai Lu, Wenhai Lu, Ziyi Zhou, Ziyi Zhou, Nan Zhang, Zhuo Wang, Tengfei Lin, Tengfei Lin, Yun Song, Yun Song, Lishun Liu, Lishun Liu, Xiao Huang, Ping Chen, Genfu Tang, Yong Duan, Yong Duan, Hao Zhang, Binyan Wang, Binyan Wang, Binyan Wang, Yan Yang, Yan Yang, Yan Yang, Zezhong Tian

    Published 2025-01-01
    “…The plasma concentrations of fat-soluble vitamins (A, E, D, and K) were assessed using liquid chromatography coupled with the mass spectrometry method. Participants were categorized into different co-exposure patterns using the unsupervised K-means clustering method. …”
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  12. 1792
  13. 1793

    Research note: The critical role of the interaction between Eimeria tenella invasion protein RON2 and host receptor annexin A2 in mediating parasite invasion by Junli Ni, Xiangjie Chen, Yunyun Sun, Yibin Zhu, Haiming Cai, Yongle Song, Minna Lv, Juan Li, Shenquan Liao, Nanshan Qi, Mingfei Sun, Jianfei Zhang, Youfang Gu, Xinchao Liu, Xuhui Lin

    Published 2025-02-01
    “…The receptor interacting with the EtRON2 protein was identified through a GST pull-down assay, followed by mass spectrometry, and the interaction was further validated through subcellular co-localization analysis. …”
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  14. 1794

    Disruption of tumor-intrinsic PGAM5 increases anti-PD-1 efficacy through the CCL2 signaling pathway by Yan Li, Hong Wang, Xiaoyang Li, Yuan He, Huiquan Liu, Dong Han, Ting Mei, Yixuan Li, Zilong Xu, Xiaoying Wei, Jianguo Wang, Peijie Zhou, Yuwen Wang, Ziye Li, Junhao Ning, Anlin Wang, Jingjing Cheng, Dong Qian

    Published 2025-01-01
    “…Immunofluorescence, chromatin-immunoprecipitation, ELISA, mass spectrometry were conducted to explore the molecular pathway. …”
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  15. 1795

    Spatial-temporal distribution of phytoplankton HAB species and contamination status of oyster toxins under intensive oyster farming in Jiangmen coasts, the South China Sea by Jian Zou, Yayuan Xiao, Jiaqi Su, Yang Liu, Peng Wu, Teng Wang, Lin Lin, Chunhou Li, Yu Liu, Yong Liu

    Published 2025-02-01
    “…The diversity and spatial-temporal distribution of phytoplankton HAB species, contamination status of oyster toxin, and their sources were investigated in Jiangmen oyster farming area based on morphological observation and liquid chromatography-tandem mass spectrometry analysis. The results revealed there were 28 HAB species, including 19 harmless HAB species, two toxic species (Akashiwo sanguinea and Karenia brevis), and seven toxin-producing microalgae (Alexandrium pacificum, Dinophysis caudata, D. miles, D. fortii, Gonyaulax spinifera, Gymnodinium catenatum, and K. mikimotoi). …”
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  16. 1796

    品种和产地对核桃油脂肪酸组成及含量的影响 "Effects of varieties and producing areas on fatty acid composition and content of walnut oil" by 时杨妮1,李鑫鑫1,马兆成1,2 SHI Yangni1, LI Xinxin1, MA Zhaocheng1,2

    Published 2025-01-01
    “…A total of 51 varieties of walnuts, Xiangling walnuts from 7 producing areas and Qingxiang walnuts from 5 producing areas were used as research objects,the composition and content of fatty acid in walnut oil were determined by gas chromatography-mass spectrometry (GC-MS), and correlation analysis, principal component analysis (PCA) and cluster analysis were carried out.The results showed that 51 varieties of walnut oils contained 13 kinds of fatty acids, and the total contents of linoleic acid, oleic acid, α-linolenic acid, palmitic acid and stearic acid were higher, and they accounted for about 99% of the total fatty acid content, the content of unsaturated fatty acid in walnut oil was as high as about 90%. …”
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  17. 1797

    Contribution à l’histoire de la boulangerie romaine : étude de « pains/galettes » découverts en Gaule by Andreas G. Heiss, Véronique Matterne, Nicolas Monteix, Margaux Tillier, Camille Noûs

    Published 2021-12-01
    “…Chemical approaches using mass spectrometry occasionally supplement these methods, in order to identify certain aspects of their molecular composition. …”
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  18. 1798

    Cancer cells avoid ferroptosis induced by immune cells via fatty acid binding proteins by Maria Angelica Freitas-Cortez, Fatemeh Masrorpour, Hong Jiang, Iqbal Mahmud, Yue Lu, Ailing Huang, Lisa K. Duong, Qi Wang, Tiffany A. Voss, Claudia S. Kettlun Leyton, Bo Wei, Wai-Kin Chan, Kevin Lin, Jie Zhang, Efrosini Tsouko, Shonik Ganjoo, Hampartsoum B. Barsoumian, Thomas S. Riad, Yun Hu, Carola Leuschner, Nahum Puebla-Osorio, Jing Wang, Jian Hu, Michael A. Davies, Vinay K. Puduvalli, Cyrielle Billon, Thomas P. Burris, Philip L. Lorenzi, Boyi Gan, James W. Welsh

    Published 2025-02-01
    “…Methods included mass spectrometry-based lipidomics, targeted lipidomics, Oil Red O staining, Seahorse analysis, quantitative PCR, immunohistochemistry, PPARγ transcription factor assays, ChIP-seq, untargeted lipidomic analysis, ROS assay, ex vivo co-culture of CD8+ T cells with cancer cells, ATAC-seq, RNA-seq, Western blotting, co-immunoprecipitation assay, flow cytometry and Imaging Mass Cytometry. …”
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    Article
  19. 1799

    Analysis of fatty acid-derived lipids in critically ill patients after cardiac surgery yields novel pathophysiologically relevant mediators with possible relevance for systemic inf... by Holger Neb, Verena Roth, Jessica Roos, Jessica Roos, Tom Bauer, Anja Urbschat, Ulrike Heinicke, Carlo Angioni, Dieter Steinhilber, Dieter Steinhilber, Matthias Piesche, Matthias Piesche, Nerea Ferreirós, Robert Gurke, Robert Gurke, Gerd Geisslinger, Gerd Geisslinger, Edith Utech, Kai Zacharowski, Patrick Meybohm, Patrick Meybohm, Patrick Paulus, Elke Schmitt, Elke Schmitt, Thorsten Jürgen Maier, Thorsten Jürgen Maier

    Published 2025-01-01
    “…We therefore hypothesized that fatty-acid-derived lipid mediators might be regulated during inflammatory stages and other clinical events in critically ill patients and might serve as potential biomarker candidates.Methods and study designUsing liquid chromatography-tandem mass spectrometry (LC-MS/MS), we determined the levels of 53 lipid mediators in plasma from nine patients. …”
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  20. 1800

    Characteristics of adherent and non-adherent patients with hypertension in a Norwegian cross-sectional study by Eirik Olsen, Lene V. Halvorsen, Stine Rognstad, Arleen Aune, Karl Marius Brobak, Ola Undrum Bergland, Vibeke N. Kjær, Knut Liestøl, Marit D. Solbu, Rune Mo, Eva Gerdts, Morten Rostrup, Sverre E. Kjeldsen, Aud Høieggen, Mimi S. Opdal, Anne Cecilie K. Larstorp, Camilla L. Søraas

    Published 2025-02-01
    “…All patients had their antihypertensive drugs in serum analyzed by ultra-high-pressure liquid chromatography-tandem mass spectrometry to identify their adherence to the 23 most used antihypertensive agents. …”
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