Showing 741 - 760 results of 1,810 for search '"Mass spectrometry"', query time: 0.09s Refine Results
  1. 741

    Characteristics and microscopic mechanisms of smoke emissions of OMMT/SBS-modified asphalt by Wanhong Yang, Zhenghao Zhang, Xiaolong Yang, Xiaofan Jia, Yixin Jiang

    Published 2025-01-01
    “…Pyrolysis gas chromatography–mass spectrometry (PY-GC–MS), fluorescence microscopy (FM), thermogravimetric analysis (TG), and gel permeation chromatography (GPC) were used to explore the characteristics and microscopic mechanisms of flue gas emissions. …”
    Get full text
    Article
  2. 742

    Structural insights into distinct mechanisms of RNA polymerase II and III recruitment to snRNA promoters by Syed Zawar Shah, Thomas N. Perry, Andrea Graziadei, Valentina Cecatiello, Thangavelu Kaliyappan, Agata D. Misiaszek, Christoph W. Müller, Ewan P. Ramsay, Alessandro Vannini

    Published 2025-01-01
    “…Additionally, crosslinking mass spectrometry localizes SNAPC2 and SNAPC5 near the promoter DNA, expanding upon existing descriptions of snRNA Pol III PIC structure.…”
    Get full text
    Article
  3. 743

    Spectrophotometric Determination of Cr(III) and Pb(II) Using Their Complexes with 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene by Le Van Tan, Tran Quang Hieu, Nguyen Van Cuong

    Published 2015-01-01
    “…The results for several analyzed samples were found to be in satisfied agreement with those acquired by using the inductively coupled plasma mass spectrometry (ICP-MS) technique.…”
    Get full text
    Article
  4. 744

    Effect of Several Solvents on the Chemical Compound, Antioxidant Activity, and Cytotoxicity Levels of Acacia decurrens Willd. Gum Extract by Ramadhany Ayu Purnama, Sigit Sunarta, Hilda Ismail

    Published 2022-09-01
    “…The chemical compounds were identified using Gas Chromatography-Mass Spectrometry (GC-MS). The amount of A. decurrens gum extract yield, total phenolic content (TPC), total flavonoid content (TFC), and total flavonols content (TVC) were then analyzed quantitatively. …”
    Get full text
    Article
  5. 745

    A Japanese man with community-onset carbapenem-resistant Stutzerimonas nitrititolerans bacteremia and a sacral pressure ulcer: a case report by Kohei Hasegawa, Kenya Murata, Yuki Suzuki, Yoshihiko Ogawa, Hisakazu Yano

    Published 2025-01-01
    “…Matrix-assisted laser desorption ionization time-of-flight mass spectrometry was unable to identify the species, but 16 S ribosomal RNA gene sequencing identified the isolate NR5426 as S. nitrititolerans. …”
    Get full text
    Article
  6. 746

    Metabolomic Analysis of the Chemical Composition of Chongjue Luohan Tea by QIAN Yuanfeng, YANG Gaozhong, XU Weilin, XU Guodong, DENG Huifang, LAN Bingying, LIN Zhi, LÜ Haipeng

    Published 2025-02-01
    “…To elucidate the chemical material basis of the flavor quality of Chongjue Luohan tea, four representative tea samples (Zifu, Ankang, Ping’an and Jufu teas) were analyzed by sensory evaluation and metabolomics based on ultra-high performance liquid chromatography-quadrupole-mass spectrometry (UPLC-Q-MS). The results showed that Luohan tea contained higher levels of tea polyphenols, ranging from 13.7% to 18.1%, than traditional black tea (9.6%). …”
    Get full text
    Article
  7. 747

    Urinary bacteriophage cooperation with bacterial pathogens during human urinary tract infections supports lysogenic phage therapy by Mahmood Almosuli, Anna Kirtava, Archil Chkhotua, Lia Tsveniashvili, Nina Chanishvili, Sumaiya Safia Irfan, Emily Ng, Hope McIntyre, Adam J. Hockenberry, Robyn P. Araujo, Weidong Zhou, Ngoc Vuong, Barbara Birkaya, Lance Liotta, Alessandra Luchini

    Published 2025-02-01
    “…Using human urine, model organisms, mass spectrometry, gene expression analysis, and the phage phenotype prediction model BACPHLIP, the results corroborated our hypotheses at the functional protein and gene levels. …”
    Get full text
    Article
  8. 748

    Direct detection and identification of viruses in saliva using a SpecID ionization modified mass spectrometer. by Pierre Alusta, Angel Paredes, Marli Azevedo, Lisa Mullis, Dan Buzatu

    Published 2025-01-01
    “…The main goal of this study was to demonstrate that our previously developed, portable, mass spectrometry based method, SpecID, could also be sued for detecting viruses in saliva, including but not limited to SARS-CoV-2; the SpecID method has the potential to provide a reliable solution that overcomes some of the challenges with molecular testing like PCR.…”
    Get full text
    Article
  9. 749

    Molecular networking-assisted flavonoid profile of Gypsophila glomerata extract in relation to its protective effects on carbon tetrachloride-induced hepatorenal damage in rats by Dimitrova Bojana, Vitanska Rumyana, Gevrenova Reneta, Zheleva-Dimitrova Dimitrina, Balabanova Vessela, Stoev Stoycho

    Published 2022-03-01
    “…Twenty-two flavonoid C-, O- and C,O--glycosides in EGG were annotated by mass spectrometry--based molecular networking; nine of them are reported in this species for the first time. …”
    Get full text
    Article
  10. 750

    Correlation of Volatile Compounds and Sensory Attributes of Chinese Traditional Sweet Fermented Flour Pastes Using Hierarchical Cluster Analysis and Partial Least Squares-Discrimin... by Meigui Huang, Yulin Li, Ping Zhan, Ping Liu, Honglei Tian, Jie Fan

    Published 2017-01-01
    “…Ninety-six volatile compounds were detected using solid-phase microextraction gas chromatography mass spectrometry. Hierarchical cluster analysis grouped SFFPs into three clusters according to their concentrations and compositions of volatile components. …”
    Get full text
    Article
  11. 751

    LC-MS/MS Method for Determination of Hydroxychloroquine and Metabolites: Application in a Pharmacokinetic Study by Lili Cui, Zhipeng Wang, Shi Qiu, Mengwei Zhang, Yanping Liu, Fengjing Xu, Xinhua Song, Shouhong Gao, Wansheng Chen

    Published 2022-01-01
    “…We developed and validated a simple and sensitive ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for simultaneous quantitation of HCQ and its three metabolites in rat blood, and reported their pharmacokinetic parameters. …”
    Get full text
    Article
  12. 752

    Application of quantitative protein mass spectrometric data in the early predictive analysis of membrane-bound target engagement by monoclonal antibodies by Armin Sepp, Morris Muliaditan

    Published 2024-12-01
    “…In the case of monoclonal antibodies (mAbs) against cell membrane antigens, this requires quantitative insight into the target tissue concentration levels. Protein mass spectrometry data are often available but the values are expressed in relative, rather than in molar concentration units that are easier to incorporate into pharmacokinetic models. …”
    Get full text
    Article
  13. 753
  14. 754

    Lipid Antigens: Revealing the Hidden Players in Adaptive Immune Responses by Tamana Eskandari, Yasamin Eivazzadeh, Fatemeh Khaleghinia, Fatemeh Kashi, Valentyn Oksenych, Dariush Haghmorad

    Published 2025-01-01
    “…Recent advances in mass spectrometry, imaging techniques, and lipidomics have revolutionized the identification and characterization of lipid antigens and enhanced our understanding of their structural diversity and functional significance. …”
    Get full text
    Article
  15. 755

    AKTIVITAS ANTIBAKTERI DAN KOMPONEN KIMIA MINYAK ATSIRI TEMU KUNCI (Boesenbergia rotunda L. Mansf) TERHADAP BAKTERI PENYEBAB JERAWAT by Sri Mulyaningsih, Yolanda Anastasya, Endang Darmawan

    Published 2024-11-01
    “…Gas chromatography-mass spectrometry (GC-MS) carried out the identification of essential oil components. …”
    Get full text
    Article
  16. 756

    The Pyrolytic Profile of Lyophilized and Deep-Frozen Compact Part of the Human Bone by Jolanta Lodowska, Daniel Wolny, Sławomir Kurkiewicz, Ludmiła Węglarz

    Published 2012-01-01
    “…Samples of preserved bone tissue were subjected to thermolysis and tetrahydroammonium-hydroxide- (TMAH-) associated thermochemolysis coupled with gas chromatography and mass spectrometry (Py-GC/MS). Results. Derivatives of benzene, pyridine, pyrrole, phenol, sulfur compounds, nitriles, saturated and unsaturated aliphatic hydrocarbons, and fatty acids (C12–C20) were identified in the pyrolytic pattern. …”
    Get full text
    Article
  17. 757

    Urinary BA Indices as Prognostic Biomarkers for Complications Associated with Liver Diseases by Wenkuan Li, Jawaher Abdullah Alamoudi, Nagsen Gautam, Devendra Kumar, Macro Olivera, Yeongjin Gwon, Sandeep Mukgerjee, Yazen Alnouti

    Published 2022-01-01
    “…To develop and validate prognostic biomarkers for the prediction of complications of cholestatic liver disease based on urinary BA indices, liquid chromatography-tandem mass spectrometry was used to analyze urine samples from 257 patients with cholestatic liver diseases during a 7-year follow-up period. …”
    Get full text
    Article
  18. 758

    Amphetamine Positive Urine Toxicology Screen Secondary to Atomoxetine by Joshua L. Fenderson, Amy N. Stratton, Jennifer S. Domingo, Gerald O. Matthews, Christopher D. Tan

    Published 2013-01-01
    “…Results were positive for amphetamines; however, the presence of these substances could not be confirmed with urine gas chromatography-mass spectrometry (GC-MS). She denied any illicit drug use, herbal medications, or supplements, and her other prescription medications have not been previously known to cause a false-positive result for amphetamines. …”
    Get full text
    Article
  19. 759

    Alterations of Serum Bile Acid Profile in Patients with Crohn’s Disease by Rui Sun, Jingjing Jiang, Ling Yang, Lu Chen, Hong Chen

    Published 2022-01-01
    “…Serum BA profiles were measured by liquid chromatography-tandem mass spectrometry. Results. Levels of primary BAs components, including cholic acid (CA) and chenodeoxycholic acid (CDCA), showed no significant difference when compared with HVs. …”
    Get full text
    Article
  20. 760

    First identification report for amino acid composition of red algae Gracilaria spp. obtained from Central Java, Indonesia by Klara Kharisma Bunga Chandra, Tri Rini Nuringtyas, Tri Joko Raharjo

    Published 2024-12-01
    “…The usage of liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS) has been growing in biomedical and environmental sciences, offering high accuracy in protein detection. …”
    Get full text
    Article