Headspace sampling‐gas chromatograph‐mass spectrometer as a screening method to thermally extract fireground contaminants from retired firefighting turnout jackets
Sign Up to like & getrecommendations! Published in 2020 at "Fire and Materials"
DOI: 10.1002/fam.2887
Abstract: Firefighters are at a 1.5 to 2 times greater risk of contracting certain types of cancers as compared to the general population. After preliminary studies, it was evident that contaminated turnout gear and ensemble elements… read more here.
Keywords: screening method; gas chromatograph; turnout jackets; chromatograph mass ... See more keywords
Mobility Peak Tailing Reduction in a Differential Mobility Analyzer (DMA) Coupled with a Mass Spectrometer and Several Ionization Sources
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The American Society for Mass Spectrometry"
DOI: 10.1007/s13361-017-1630-2
Abstract: AbstractThe differential mobility analyzer (DMA) is a narrow-band linear ion mobility filter operating at atmospheric pressure. It combines in series with a quadrupole mass spectrometer (Q-MS) for mobility/mass analysis, greatly reducing chemical noise in selected… read more here.
Keywords: mobility; dma; mass spectrometer; ionization ... See more keywords
Validation of plasma amino acid profile using UHPLC-mass spectrometer (QDa) as a screening method in a metabolic disorders reference centre: performance and accreditation concerns.
Sign Up to like & getrecommendations! Published in 2021 at "Clinical biochemistry"
DOI: 10.1016/j.clinbiochem.2021.03.004
Abstract: INTRODUCTION Amino acid (AA) analysis in plasma is essential for diagnosis and monitoring of inborn errors of metabolism (IEM). The efficacy of patient management is governed by the rapidity of AA profile availability, along with… read more here.
Keywords: mass spectrometer; plasma; amino acid; method ... See more keywords
Calibration of parent and fragment ion detection rates in Rosettas ROSINA/DFMS mass spectrometer
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mass Spectrometry"
DOI: 10.1016/j.ijms.2019.116233
Abstract: The Double Focusing Mass Spectrometer DFMS embarked on the European Space Agency’s Rosetta mission as part of the ROSINA instrument suite. It boasts a high mass resolution and a high sensitivity, which have guaranteed spectacular… read more here.
Keywords: parent fragment; mass spectrometer; mass; ion ... See more keywords
Remarks concerning about the characteristics of the extractor vacuum gauge and the Quadrupole Mass Spectrometer
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2018.08.043
Abstract: Abstract In this study, the stability of an extractor gauge (EXG) was investigated through the determination of correction factors (CFs) over a pressure range 5 × 10−5 Pa to 9 × 10−3 Pa by using a Spinning Rotor Gauge (SRG) traceable… read more here.
Keywords: quadrupole mass; mass spectrometer; gauge; metrology ... See more keywords
Mechanistic study of reversible solid-state melt isomerization of 2-oxindoles to 2-quinolinones and its occurrence in a mass spectrometer
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2018.08.056
Abstract: Abstract An eco-friendly equilibrated rearrangement of a series of 2-oxo-3-indolyl acetic acids (1) with 2-oxo-1,2,3,4-tetrahydroquinoline-4-carboxylic acid derivatives (2) was investigated through a solid state melt reaction (SSMR). Mechanistic insight into the thermal rearrangement is provided… read more here.
Keywords: mass spectrometer; state melt; solid state; mechanistic study ... See more keywords
Initial SAM calibration gas experiments on Mars: Quadrupole mass spectrometer results and implications
Sign Up to like & getrecommendations! Published in 2017 at "Planetary and Space Science"
DOI: 10.1016/j.pss.2017.01.014
Abstract: Abstract The Sample Analysis at Mars (SAM) instrument suite of the Mars Science Laboratory (MSL) Curiosity rover is equipped to analyze both martian atmospheric gases and volatiles released by pyrolysis of solid surface materials, with… read more here.
Keywords: initial sam; mass spectrometer; calibration; quadrupole mass ... See more keywords
A Vacuum Ultraviolet Photoionization Time-of-Flight Mass Spectrometer for Investigation of Free Radical Reaction
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Analytical Chemistry"
DOI: 10.1016/s1872-2040(19)61208-9
Abstract: Abstract A home-made vacuum ultraviolet (VUV) photoionization linear time-of-flight mass spectrometer (VUVPI-LTOFMS) was utilized to study atmospheric radical reactions. A commercial krypton discharge lamp with photon energy at 10.6 eV was installed as VUV light… read more here.
Keywords: flight mass; photoionization; vacuum ultraviolet; mass spectrometer ... See more keywords
New Orientation: A Downward-pointing Vertical Inductively Coupled Plasma Mass Spectrometer for the Analysis of Microsamples.
Sign Up to like & getrecommendations! Published in 2020 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.0c03831
Abstract: We present a prototype of a vertical-downward configuration of an inductively coupled plasma mass spectrometer (ICPMS) allowing the sample introduction from the top. With this novel approach to orient the ICP downward, we aim to… read more here.
Keywords: coupled plasma; plasma mass; mass spectrometer; inductively coupled ... See more keywords
Suspect Screening of Fentanyl Analogs Using Matrix-Assisted Ionization and a Miniature Mass Spectrometer with a Custom Expandable Mass Spectral Library.
Sign Up to like & getrecommendations! Published in 2021 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.1c01117
Abstract: The reliable identification of fentanyl and its analogs is of great significance for public security. However, with the growing prevalence of fentanyl compounds, current analytical strategies cannot fully meet the need for fast and high-throughput… read more here.
Keywords: fentanyl analogs; mass spectrometer; mass; miniature mass ... See more keywords
Integration of Segmented Ion Fractionation and Differential Ion Mobility on a Q-Exactive Hybrid Quadrupole Orbitrap Mass Spectrometer.
Sign Up to like & getrecommendations! Published in 2021 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.1c01376
Abstract: High-field asymmetric waveform ion mobility spectrometry (FAIMS) has gained popularity in the proteomics field for its capability to improve mass spectrometry sensitivity and to decrease peptide co-fragmentation. The recent implementation of FAIMS on Tribrid Orbitrap… read more here.
Keywords: mass spectrometer; mass; ion mobility; ion ... See more keywords