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981
Associations of TCF7L2 rs11196218 (A/G) and GLP-1R rs761386 (C/T) Gene Polymorphisms with Obesity in Chinese Population
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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982
Microcystin‐LR Detected in a Low Molecular Weight Fraction from a Crude Extract of Zoanthus sociatus
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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983
Comparative Analysis of Epidemiological and Clinical Characteristics Between Invasive Candida Infection versus Colonization in Critically Ill Patients in a Tertiary Hospital in Anh...
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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984
Investigation of the Microbiome of Industrial PDO Sfela Cheese and Its Artisanal Variants Using 16S rDNA Amplicon Sequencing and Shotgun Metagenomics
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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985
Differential Urinary Proteomic Analysis of High-Risk Cervical Intraepithelial Neoplasia
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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986
A case of Magnusiomyces capitatus isolated during monitoring in an antimicrobial diagnostic stewardship context.
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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987
266 Decoding the role of polyamine metabolism on anti-tumor immunity in head and neck cancer
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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988
Genomic Characterization of a Vancomycin-Resistant Strain of Enterococcus faecium Harboring a rep2 Plasmid
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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989
CHX and a Face Shield Cannot Prevent Contamination of Surgical Masks
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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990
N-glycan profiling of tissue samples to aid breast cancer subtyping
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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991
Preferred β-lactone synthesis can explain high rate of false-negative results in the detection of OXA-48-like carbapenemases
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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992
First Report on <i>Leptospira</i> Species Isolated from Patients in Slovenia
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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993
Characterization of Ricin and R. communis Agglutinin Reference Materials
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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994
Comparison of MALDI-TOF mass spectrometry and rpoB gene sequencing for the identification of clinical isolates of Aeromonas spp.
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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995
Localization of Major Ephedra Alkaloids in Whole Aerial Parts of Ephedrae Herba Using Direct Analysis in Real Time-Time of Flight-Mass Spectrometry
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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996
Clinical and Microbiological Characteristics of Aspergillosis at a Chinese Tertiary Teaching Hospital
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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997
Surveillance of Antimicrobial Resistance in Hospital Wastewater: Identification of Carbapenemase-Producing <i>Klebsiella</i> spp.
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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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...
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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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...
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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1000
Inanimate Surfaces and Air Contamination with Multidrug Resistant Species of <i>Staphylococcus</i> in the Neonatal Intensive Care Unit Environment
Published 2022-03-01“…The isolates (environmental and clinical) were identified by matrix-assisted laser desorption ionization-time of flight and the resistance profile was calculated using the disk diffusion agar technique. …”
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