Time flight mass spectrometry
Time of Flight Mass Spectrometry of Highly Ordered Carbyne
... 1. Introduction cal bonds with hydrogen or other elements, and models have shown their higher stability. Of note is that all state- of-the-art approaches to carbine simulation have a com- mon disadvantage—they compute ...
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Identification of Molds by Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry
... As stated previously, reference databases and the database query methods (i.e., comparing and subsequent scoring of the similarity of an unknown spectrum to each database reference spectrum) may directly affect the ...
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Identification of clinical dermatophyte isolates obtained from Iran by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
... A new diagnostic approach using the matrix- assisted laser desorption/ionization-time-of-flight (MALDI-TOF) mass spectrometry (MS)-based strategy has facilitated the effective identification ...
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Discrimination of Radix Polygoni Multiflori from different geographical areas by UPLC-QTOF/MS combined with chemometrics
... quadrupole time of flight mass spectrometry; PLS‑DA: partial least squared discriminant analysis; TCM: traditional Chinese medicines; TLC: thin‑layer chromatography; HPLC: high‑performance ...
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Discrepancy in MALDI-TOF MS identification of uncommon Gram-negative bacteria from lower respiratory secretions in patients with cystic fibrosis
... of flight mass spectrometry (MALDI-TOF MS) has been recently introduced in clinical microbiology laboratories as a newly emerging technology applied to the problem of bacterial species ...
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Application of MALDI TOF MS to rapid identification of anaerobic bacteria
... of flight mass spectrometry (MALDI- TOF MS) has been widely used in clinical microbial diagnosis in the past ...rapid mass spectrometry technology developed in the late 1980s with ...
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Towards practical time-of-flight secondary ion mass spectrometry lignocellulolytic enzyme assays
... and mass overlap, it is always important to recall a few funda- mental aspects of the ToF-SIMS ...nominal mass binning due to sample ...nominal mass (e.g. for mass 81 Da) and therefore on ...
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Identification of Candida species isolated from vulvovaginitis in Mashhad, Iran by Use of MALDI-TOF MS
... processing time and expensive ...ionization time-of-flight mass spectrometry (MALDI-TOF MS) can be used for the reliable identification of Candida ...
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Identification of Mycobacteria by Matrix Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry
... Bacterial preparation for MALDI-TOF analysis. Isolated colonies from agar were applied to a MALDI plate well (12 wells per strain) of a 96-well target plate and allowed to dry for 1 h. Isolates growing in broth were ...
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... of flight mass spectrometry (MALDI-TOF MS) which enables identification of bacteria by comparing the mass spectra that correspond to protein profiles of bacterial cells to reference spectra ...
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Anti-biofilm and antiradical activity of different essential oils
... ionization time-of-flight mass spectrometry profiling and evaluate the antibacterial, anti-biofilm and antioxidant activity of Mentha piperita and Pimpinella anisum essential oils against ...
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Structure Elucidation of Anthraquinone Dyes by Using Electrospray Quadrupole - Time-of-Flight Tandem Mass Spectrometry
... a mass spectrometry experiment, a sample, which could be solid, liquid, or gas, is ionized by an ion ...different mass-to-charge ...the mass-to- charge ...
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Evaluation of Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry for Identification of Nontuberculous Mycobacteria from Clinical Isolates
... ionization– time of flight (MALDI-TOF) has been recently applied to the identification of a wide range of microorganisms (2), mainly clin- ically significant bacteria and ...
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Comparison of Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry and Molecular Biology Techniques for Identification of Culicoides (Diptera: Ceratopogonidae) Biting Midges in Senegal
... Several authors evaluated other MALDI-TOF MS-based sys- tems and reported the necessary use of a formic acid-based protein extraction using a Culicoides lysis step before matrix application (24–42). The Vitek MS system ...
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Fatal Nocardia farcinica Bacteremia Diagnosed by Matrix-Assisted Laser Desorption-Ionization Time of Flight Mass Spectrometry in a Patient with Myelodysplastic Syndrome Treated with Corticosteroids
... and time-consuming processes ...Desorption-Ionization Time of Flight Mass Spectrometry (MALDI-TOF MS) has been developed for rapid identification of the majority of human pathogens, but ...
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Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry Based Method for Discrimination between Molecular Types of Cryptococcus neoformans and Cryptococcus gattii
... of flight mass spectrometry (MALDI-TOF MS), through the generation of char- acteristic fingerprints of intact microbial cells, has been success- fully applied for the rapid characterization and ...
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Successful Identification of Clinical Dermatophyte and Neoscytalidium Species by Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry
... (ii) Instrument type. All the samples were processed using the Andro- mas system (Paris, France), including a mass spectrometry apparatus combined with control software and various databases for ...
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Evaluation of the Andromas Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry System for Identification of Aerobically Growing Gram Positive Bacilli
... the mass spectrum of the tested isolate with the spectra included in the Andromas database, taking into account a possible MS peak variation of ⫾ 10 m/z ...
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Matrix assisted ionisation in vacuum mass spectrometry and imaging on a modified quadrupole quadrupole time of flight mass spectrometer
... A modified sampling cone was fabricated. The inner face of the back plate was reduced in thickness by 1 mm and the orifice in the cone was reduced in size to 2 mm and extended 1 mm from the original. The combined effects ...
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Comparison of analytical profile index, microscan walkaway 40 plus and bruker maldi biotyper systems for identification of enteric pathogens in Kenya
... of flight mass spectrometry (MALDI-TOF MS) also known as Bruker MALDI Biotyper is a technology that allows instant identification of microorganisms by analyzing their total protein content (Bizzini ...
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