Showing 981 - 1,000 results of 1,267 for search '"matrix-assisted laser desorption/ionization"', query time: 0.14s Refine Results
  1. 981

    Associations of TCF7L2 rs11196218 (A/G) and GLP-1R rs761386 (C/T) Gene Polymorphisms with Obesity in Chinese Population by Xu T, Liu M, Liu Q, Wang B, Wang M, Qu M, Chen X, Wu J

    Published 2021-06-01
    “…Both polymorphisms were genotyped using matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF).Results: There were significant differences in the allelic frequencies of the TCF7L2 rs11196218 and GLP1-R rs761386 between obesity and non-obesity groups (P = 0.003, OR = 2.32, 95% CI [1.31∼ 4.09]; P = 0.034, OR = 1.94, 95% CI [1.05∼ 3.60], respectively). …”
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  2. 982

    Microcystin‐LR Detected in a Low Molecular Weight  Fraction from a Crude Extract of Zoanthus sociatus by Dany Domínguez‐Pérez, Armando Alexei Rodríguez, Hugo Osorio, Joana Azevedo, Olga Castañeda, Vítor Vasconcelos, Agostinho Antunes

    Published 2017-03-01
    “…The low molecular weight (LMW) fraction was obtained by gel filtration of a Zoanthus sociatus (order Zoanthidea) crude extract with a Sephadex G‐50, and then analyzed by matrix‐assisted laser desorption/ionization time‐of‐flight/time‐of‐flight (MALDI‐TOF/TOF) mass spectrometry (MS) in positive ion reflector mode from m/z 700 to m/z 4000. …”
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    Article
  3. 983

    Comparative Analysis of Epidemiological and Clinical Characteristics Between Invasive Candida Infection versus Colonization in Critically Ill Patients in a Tertiary Hospital in Anh... by Xia J, Huang W, Lu F, Li M, Wang B

    Published 2022-07-01
    “…The strains were identified to species level through matrix-assisted laser desorption/ionization–time-of-flight mass spectrometry, assisted by DNA sequencing. …”
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    Article
  4. 984

    Investigation of the Microbiome of Industrial PDO Sfela Cheese and Its Artisanal Variants Using 16S rDNA Amplicon Sequencing and Shotgun Metagenomics by Natalia Tsouggou, Aleksandra Slavko, Olympia Tsipidou, Anastasios Georgoulis, Svetoslav G. Dimov, Jia Yin, Constantinos E. Vorgias, John Kapolos, Marina Papadelli, Konstantinos Papadimitriou

    Published 2024-03-01
    “…For this reason, we decided to investigate the microbiome of two PDO industrial Sfela cheese samples along with two non-PDO variants, namely Sfela touloumotiri and Xerosfeli. Matrix-assisted laser desorption/ionization–time of flight mass spectrometry (MALDI-TOF MS), 16S rDNA amplicon sequencing and shotgun metagenomics analysis were used to identify the microbiome of these traditional cheeses. …”
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  5. 985

    Differential Urinary Proteomic Analysis of High-Risk Cervical Intraepithelial Neoplasia by Peter Bober, Soňa Tkáčiková, Ivan Talian, Peter Urdzík, Silvia Toporcerová, Ján Sabo

    Published 2023-01-01
    “…A total of 20 urine samples were used, including from 10 patients with cervical intraepithelial neoplasia grade 3 (CIN3) and 10 healthy controls to perform the label-free quantitative analysis using the nano-HPLC and ESI-MS ion trap mass analyzer and matrix-assisted laser desorption ionization–time-of-flight mass spectrometry (MALDI-TOF/MS) fast screening. …”
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    Article
  6. 986

    A case of Magnusiomyces capitatus isolated during monitoring in an antimicrobial diagnostic stewardship context. by Francesco Foglia, Giuseppe Greco, Carla Zannella, Annalisa Chianese, Annalisa Ambrosino, Alessandra Conzo, Giovanni Conzo, Anna De Filippis, Emiliana Finamore, Ludovico Docimo, Massimiliano Galdiero

    Published 2024-01-01
    “…The isolate was identified by phenotypic methods, i.e., Gram and Lactophenol cotton blue (LCB) staining, and matrix-assisted laser desorption ionization–time of flight mass spectrometry (MALDI-TOF MS) analysis. …”
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    Article
  7. 987

    266 Decoding the role of polyamine metabolism on anti-tumor immunity in head and neck cancer by Richard Alexander Harbison, William Andrews, Michael Mikula, Aleksandra Ogurtsova, Liz Engle, Ogechi Nwankwoala, Reagan Willis, Pritam Sadhukhan, Mark Burns, Drew Pardoll, Tanguy Seiwert, Carole Fakhry, Robert A. Casero, Elana Fertig, Erika Pearce

    Published 2023-04-01
    “…Slides were coated in alpha-cyano-4-hydroxy-cinnamic acid (CHCA) matrix and subjected to mass spectrometry imaging using matrix-assisted laser desorption ionization (MALDI) on a Bruker SolariX XR 12T Hybrid QqFT-ICR mass spectrometer run in positive mode. …”
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    Article
  8. 988

    Genomic Characterization of a Vancomycin-Resistant Strain of Enterococcus faecium Harboring a rep2 Plasmid by Shen J, Long X, Jiang Q, Xu H, Wei Q, Shi Q, Liu Y, Xu S, Ma X, Li L

    Published 2023-02-01
    “…Utilizing matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS), the isolate was accurately identified. …”
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    Article
  9. 989

    CHX and a Face Shield Cannot Prevent Contamination of Surgical Masks by Madline P. Gund, Madline P. Gund, Jusef Naim, Matthias Hannig, Alexander Halfmann, Barbara Gärtner, Gabor Boros, Stefan Rupf, Stefan Rupf

    Published 2022-05-01
    “…Bacteria were classified by phenotypic characteristics, biochemical assay methods, and matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS). …”
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    Article
  10. 990

    N-glycan profiling of tissue samples to aid breast cancer subtyping by Iva Benesova, Rudolf Nenutil, Adam Urminsky, Erika Lattova, Lukas Uhrik, Peter Grell, Filip Zavadil Kokas, Jana Halamkova, Zbynek Zdrahal, Borivoj Vojtesek, Milos V. Novotny, Lenka Hernychova

    Published 2024-01-01
    “…The N-glycan profiles of 145 tumors and 10 healthy breast tissues were determined using Matrix-Assisted Laser Desorption-Ionization Time-of-Flight Mass Spectrometry. …”
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    Article
  11. 991

    Preferred β-lactone synthesis can explain high rate of false-negative results in the detection of OXA-48-like carbapenemases by Vendula Studentova, Vendula Sudova, Ibrahim Bitar, Veronika Paskova, Jiri Moravec, Petr Pompach, Michael Volny, Petr Novak, Jaroslav Hrabak

    Published 2022-12-01
    “…Carbapenemase activity was determined by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS), liquid chromatography/mass spectrometry (LC–MS), Carba-NP test and modified Carbapenem Inactivation Method (mCIM). …”
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    Article
  12. 992

    First Report on <i>Leptospira</i> Species Isolated from Patients in Slovenia by Eva Ružić-Sabljić, Daša Podgoršek, Katja Strašek Smrdel, Andraž Celar Šturm, Mateja Logar, Andrea Pavlović, Tatjana Remec, Zvonko Baklan, Emil Pal, Tjaša Cerar Kišek

    Published 2023-11-01
    “…Despite that, we successfully isolated 12 human <i>Leptospira</i> strains isolated from patients between 2002 and 2020 and used various methods for the phenotypic and genotypic characterization of the strains, including matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF) using our own MALDI-TOF data library, melting temperature analysis of the amplified <i>lfb1</i> gene, determination of <i>Leptospira</i> serogroups using rabbit immune sera, <i>NotI</i>-RFLP of the whole <i>Leptospira</i> genome, multilocus sequence typing (MLST) of seven housekeeping genes, and whole-genome sequencing (WGS)-based typing. …”
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  13. 993

    Characterization of Ricin and R. communis Agglutinin Reference Materials by Sylvia Worbs, Martin Skiba, Martin Söderström, Marja-Leena Rapinoja, Reinhard Zeleny, Heiko Russmann, Heinz Schimmel, Paula Vanninen, Sten-Åke Fredriksson, Brigitte G. Dorner

    Published 2015-11-01
    “…Here, we established both highly pure ricin and RCA120 reference materials which were extensively characterized by gel electrophoresis, liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI MS/MS), and matrix-assisted laser desorption ionization–time of flight approaches as well as immunological and functional techniques. …”
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    Article
  14. 994

    Comparison of MALDI-TOF mass spectrometry and rpoB gene sequencing for the identification of clinical isolates of Aeromonas spp. by Daisuke Kitagawa, Yuki Suzuki, Noriyuki Abe, Koji Ui, Keitaro Suzuki, Takaya Yamashita, Atsuko Sakaguchi, Soma Suzuki, Kazue Masuo, Akiyo Nakano, Ryuichi Nakano, Masatoshi Sato, Koichi Maeda, Fumihiko Nakamura, Hisakazu Yano

    Published 2022-11-01
    “…In this study, we aimed to compare the accuracy of two different approaches developed for bacterial identification: (i) housekeeping gene sequencing (rpoB) in conjunction with phylogenetic analysis and (ii) matrix-assisted laser desorption ionization mass spectrometry-time of flight (MALDI-TOF MS) (MALDI Biotyper and VITEK MS), for differentiating Aeromonas spp. …”
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    Article
  15. 995

    Localization of Major Ephedra Alkaloids in Whole Aerial Parts of Ephedrae Herba Using Direct Analysis in Real Time-Time of Flight-Mass Spectrometry by Nayoung Yun, Hye Jin Kim, Sang Cheol Park, Geonha Park, Min Kyoung Kim, Young Hae Choi, Young Pyo Jang

    Published 2021-01-01
    “…Among the diverse mass spectrometry techniques, matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS) is the most popular for molecular imaging due to its powerful spatial resolution. …”
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    Article
  16. 996

    Clinical and Microbiological Characteristics of Aspergillosis at a Chinese Tertiary Teaching Hospital by Xiao C, Qiao D, Xiong L, Tian W, Wang D, Deng S, Guo J

    Published 2022-12-01
    “…In sum, 114 Aspergillus strains were isolated and identified at species level using matrix-assisted laser desorption ionization time-of-flight mass spectrometry, confirmed by ITS gene region and β-tubulin (BenA) gene sequencing. …”
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    Article
  17. 997

    Surveillance of Antimicrobial Resistance in Hospital Wastewater: Identification of Carbapenemase-Producing <i>Klebsiella</i> spp. by Miguel Galarde-López, Maria Elena Velazquez-Meza, Miriam Bobadilla-del-Valle, Berta Alicia Carrillo-Quiroz, Patricia Cornejo-Juárez, Alfredo Ponce-de-León, Alejandro Sassoé-González, Celia Mercedes Alpuche-Aranda

    Published 2022-02-01
    “…Bacterial identification was carried out by the Matrix-Assisted Laser Desorption/Ionization-Time of Flight mass spectrometry (MALDI-TOF MS<sup>®</sup>) and antimicrobial susceptibility profiles were performed using the VITEK2<sup>®</sup> automated system. …”
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    Article
  18. 998

    Modulation of Gut Microbiome in Ecstasy/MDMA-Induced Behavioral and Biochemical Impairment in Rats and Potential of Post-Treatment with <i>Anacyclus pyrethrum</i> L. Aqueous Extrac... by Abdelmounaim Baslam, Abdelfatah Aitbaba, Asmae Lamrani Hanchi, Zakaria Tazart, Rachida Aboufatima, Nabila Soraa, Mohamed Ait-El-Mokhtar, Samia Boussaa, Marouane Baslam, Abderrahman Chait

    Published 2023-05-01
    “…The dependency was validated using the conditioned place preference (CPP) paradigm, behavioral, and biochemical tests, while the gut microbiota was identified using matrix-assisted laser desorption ionization–time of flight mass spectrometry (MALDI-TOF MS). …”
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    Article
  19. 999

    Metabolic profiling, in-situ spatial distribution, and biosynthetic pathway of functional metabolites in Dendrobium nobile stem revealed by combining UPLC-QTOF-MS with MALDI-TOF-MS... by Qingling Liu, Qingling Liu, Yuan Huang, Chu Linghu, Chu Linghu, Jianfen Xiao, Jianfen Xiao, Ronghui Gu, Ronghui Gu, Ronghui Gu

    Published 2023-01-01
    “…Then, the spatial distributions of diverse metabolites, including alkaloids and sesquiterpenoids, were characterized and visualized by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry imaging (MALDI-TOF-MSI). …”
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    Article
  20. 1000