Search Results - "Amad, Maan H."
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The formation of [M-H]+ ions in N-alkyl-substituted thieno[3,4-c]-pyrrole-4,6-dione derivatives during atmospheric pressure photoionization mass spectrometry
Published in Rapid communications in mass spectrometry (30-11-2014)“…RATIONALE The formation of ions during atmospheric pressure photoionization (APPI) mass spectrometry in the positive mode usually provides radical cations…”
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2
High temperature and solar radiation in the Red Sea enhance the dissolution of crude oil from surface films
Published in Environmental science and pollution research international (01-06-2024)“…The Red Sea is a hotspot of biodiversity susceptible to oil pollution. Besides, it is one of the warmest seas on the Earth with highly transparent waters. In…”
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3
Mass resolution of 11,000 to 22,000 with a multiple pass quadrupole mass analyzer
Published in Journal of the American Society for Mass Spectrometry (01-05-2000)“…CO + and N 2 + are separated with resolution of 11,000 [full width half maximum (FWHM)] using a conventional quadrupole mass spectrometer by applying square…”
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4
Importance of gas-phase proton affinities in determining the electrospray ionization response for analytes and solvents
Published in Journal of mass spectrometry. (01-07-2000)“…The effect of gas‐phase proton transfer reactions on the mass spectral response of solvents and analytes with known gas‐phase proton affinities was evaluated…”
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5
The formation of [M-H] super(+) ions in N-alkyl-substituted thieno[3,4-c]-pyrrole-4,6-dione derivatives during atmospheric pressure photoionization mass spectrometry
Published in Rapid communications in mass spectrometry (01-11-2014)“…RATIONALE The formation of ions during atmospheric pressure photoionization (APPI) mass spectrometry in the positive mode usually provides radical cations…”
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6
Synthesis of Ru nanoparticles confined in magnesium oxide-modified mesoporous alumina and their enhanced catalytic performance during ammonia decomposition
Published in Catalysis communications (05-09-2012)“…In this work, Ru nanoparticles confined in the channels of ordered mesoporous alumina (MA) and magnesium oxide-modified ordered MA are prepared for the first…”
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Thiotetrazole alkynylacetanilides as potent and bioavailable non-nucleoside inhibitors of the HIV-1 wild type and K103N/Y181C double mutant reverse transcriptases
Published in Bioorganic & medicinal chemistry letters (15-08-2007)“…The SAR and PK studies of a series of thiotetrazolyl akynylacetanilides as potent inhibitors of the HIV-1 RT is reported. A series of aryl…”
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8
High-Resolution Mass Spectrometry with a Multiple Pass Quadrupole Mass Analyzer
Published in Analytical chemistry (Washington) (01-12-1998)“…The peak shape narrows and the resolution improves if the ions are simply reflected back and forth through a conventional quadrupole mass analyzer. CO+ and N2…”
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Technical Report: Development of a Piezoelectric Inkjet Dopant Delivery Device for an Atmospheric Pressure Photoionization Source with Liquid Chromatography/Mass Spectrometry
Published in European journal of mass spectrometry (Chichester, England) (01-10-2013)“…This paper describes a simple, robust and integrated piezoelectric actuated printhead as a dopant delivery system for atmospheric pressure photoionization with…”
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10
Development of a piezoelectric inkjet dopant delivery device for an atmospheric pressure photoionization source with liquid chromatography/mass spectrometry
Published in European journal of mass spectrometry (Chichester, England) (2013)“…This paper describes a simple, robust and integrated piezoelectric actuated printhead as a dopant delivery system for atmospheric pressure photoionization with…”
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