Search Results - "Amad, Ma'an 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 by Sioud, Salim, Kharbatia, Najeh, Amad, Maan H., Zhu, Zhiyong, Cabanetos, Clement, Lesimple, Alain, Beaujuge, Pierre

    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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    Journal Article
  3. 3

    Mass resolution of 11,000 to 22,000 with a multiple pass quadrupole mass analyzer by Amad, Ma’an H, Houk, R.S

    “…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. 4

    Importance of gas-phase proton affinities in determining the electrospray ionization response for analytes and solvents by Amad, Ma'an H., Cech, Nadja B., Jackson, George S., Enke, Christie G.

    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. 5

    High temperature and solar radiation in the Red Sea enhance the dissolution of crude oil from surface films by Kottuparambil, Sreejith, Ashok, Ananya, López, Patricia, Amad, Maan H., Duarte, Carlos M., Agusti, Susana

    “…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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  6. 6

    High-Resolution Mass Spectrometry with a Multiple Pass Quadrupole Mass Analyzer by Amad, Ma'an H, Houk, R. S

    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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  7. 7

    Technical Report: Development of a Piezoelectric Inkjet Dopant Delivery Device for an Atmospheric Pressure Photoionization Source with Liquid Chromatography/Mass Spectrometry by Amad, Ma'an H., Li, Er Qiang, Sioud, Salim, Thoroddsen, Sigurdur T.

    “…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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  8. 8

    Development of a piezoelectric inkjet dopant delivery device for an atmospheric pressure photoionization source with liquid chromatography/mass spectrometry by Amad, Ma'an H, Li, Er Qiang, Sioud, Salim, Thoroddsen, Sigurdur T

    “…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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    Journal Article
  9. 9

    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 by Sioud, Salim, Kharbatia, Najeh, Amad, Maan H, Zhu, Zhiyong, Cabanetos, Clement, Lesimple, Alain, Beaujuge, Pierre

    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…”
    Get full text
    Journal Article
  10. 10

    Synthesis of Ru nanoparticles confined in magnesium oxide-modified mesoporous alumina and their enhanced catalytic performance during ammonia decomposition by Tan, Hua, Li, Kun, Sioud, Salim, Cha, Dongkyu, Amad, Maan H., Hedhili, Mohamed Nejib, Al-Talla, Zeyad A.

    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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