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    Ahmed, Musahid

    TitleChemist Senior Sci/Engr
    SchoolLawrence Berkeley National Lab
    DepartmentChemical Sciences
    Address1 Cyclotron Road
    Berkeley CA 94720
    Phone510/486-6355
    vCardDownload vCard

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      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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      1. Kostko O, Xu B, Jacobs MI, Ahmed M. Soft X-ray spectroscopy of nanoparticles by velocity map imaging. J Chem Phys. 2017 Jul 07; 147(1):013931. PMID: 28688419.
        View in: PubMed
      2. Xu B, Jacobs MI, Kostko O, Ahmed M. Guanidinium Group Remains Protonated in a Strongly Basic Arginine Solution. Chemphyschem. 2017 Jun 20; 18(12):1503-1506. PMID: 28231411.
        View in: PubMed
      3. Stein T, Bandyopadhyay B, Troy TP, Fang Y, Kostko O, Ahmed M, Head-Gordon M. Ab initio dynamics and photoionization mass spectrometry reveal ion-molecule pathways from ionized acetylene clusters to benzene cation. Proc Natl Acad Sci U S A. 2017 May 23; 114(21):E4125-E4133. PMID: 28484019.
        View in: PubMed
      4. Kostko O, Troy TP, Bandyopadhyay B, Ahmed M. Proton transfer in acetaldehyde-water clusters mediated by a single water molecule. Phys Chem Chem Phys. 2016 Sep 14; 18(36):25569-25573. PMID: 27722317.
        View in: PubMed
      5. Alayoglu S, Rosenberg DJ, Ahmed M. Hydrothermal synthesis and characterization under dynamic conditions of cobalt oxide nanoparticles supported over magnesium oxide nano-plates. Dalton Trans. 2016 Jun 14; 45(24):9932-41. PMID: 26979489.
        View in: PubMed
      6. Bandyopadhyay B, Stein T, Fang Y, Kostko O, White A, Head-Gordon M, Ahmed M. Probing Ionic Complexes of Ethylene and Acetylene with Vacuum-Ultraviolet Radiation. J Phys Chem A. 2016 Jul 14; 120(27):5053-64. PMID: 26983013.
        View in: PubMed
      7. Kostko O, Bandyopadhyay B, Ahmed M. Vacuum Ultraviolet Photoionization of Complex Chemical Systems. Annu Rev Phys Chem. 2016 May 27; 67:19-40. PMID: 26980311.
        View in: PubMed
      8. Bandyopadhyay B, Kostko O, Fang Y, Ahmed M. Probing methanol cluster growth by vacuum ultraviolet ionization. J Phys Chem A. 2015 May 7; 119(18):4083-92. PMID: 25867294.
        View in: PubMed
      9. Neppl S, Shavorskiy A, Zegkinoglou I, Fraund M, Slaughter DS, Troy T, Ziemkiewicz MP, Ahmed M, Gul S, Rude B, Zhang JZ, Tremsin AS, Glans PA, Liu YS, Wu CH, Guo J, Salmeron M, Bluhm H, Gessner O. Capturing interfacial photoelectrochemical dynamics with picosecond time-resolved X-ray photoelectron spectroscopy. Faraday Discuss. 2014; 171:219-41. PMID: 25415599.
        View in: PubMed
      10. Liu SY, Kleber M, Takahashi LK, Nico P, Keiluweit M, Ahmed M. Synchrotron-based mass spectrometry to investigate the molecular properties of mineral-organic associations. Anal Chem. 2013 Jun 18; 85(12):6100-6. PMID: 23675904.
        View in: PubMed
      11. Golan A, Ahmed M, Mebel AM, Kaiser RI. A VUV photoionization study of the multichannel reaction of phenyl radicals with 1,3-butadiene under combustion relevant conditions. Phys Chem Chem Phys. 2013 Jan 07; 15(1):341-7. PMID: 23165625.
        View in: PubMed
      12. Golan A, Ahmed M. Molecular beam mass spectrometry with tunable vacuum ultraviolet (VUV) synchrotron radiation. J Vis Exp. 2012 Oct 30; (68). PMID: 23149375; PMCID: PMC3499069.
      13. Golan A, Bravaya KB, Kudirka R, Kostko O, Leone SR, Krylov AI, Ahmed M. Ionization of dimethyluracil dimers leads to facile proton transfer in the absence of hydrogen bonds. Nat Chem. 2012 Mar 18; 4(4):323-9. PMID: 22437719.
        View in: PubMed
      14. Golan A, Ahmed M. Ionization of Water Clusters Mediated by Exciton Energy Transfer from Argon Clusters. J Phys Chem Lett. 2012 Feb 16; 3(4):458-62. PMID: 26286046.
        View in: PubMed
      15. Kostko O, Takahashi LK, Ahmed M. Desorption dynamics, internal energies, and imaging of organic molecules from surfaces with laser desorption and vacuum ultraviolet (VUV) photoionization. Chem Asian J. 2011 Nov 04; 6(11):3066-76. PMID: 21976383.
        View in: PubMed
      16. Liu CL, Smith JD, Che DL, Ahmed M, Leone SR, Wilson KR. The direct observation of secondary radical chain chemistry in the heterogeneous reaction of chlorine atoms with submicron squalane droplets. Phys Chem Chem Phys. 2011 May 21; 13(19):8993-9007. PMID: 21455529.
        View in: PubMed
      17. Takahashi LK, Zhou J, Kostko O, Golan A, Leone SR, Ahmed M. Vacuum-ultraviolet photoionization and mass spectrometric characterization of lignin monomers coniferyl and sinapyl alcohols. J Phys Chem A. 2011 Apr 21; 115(15):3279-90. PMID: 21410275.
        View in: PubMed
      18. Zhou J, Takahashi LK, Wilson KR, Leone SR, Ahmed M. Internal energies of ion-sputtered neutral tryptophan and thymine molecules determined by vacuum ultraviolet photoionization. Anal Chem. 2010 May 01; 82(9):3905-13. PMID: 20353160.
        View in: PubMed
      19. Kostko O, Leone SR, Duncan MA, Ahmed M. Determination of ionization energies of small silicon clusters with vacuum ultraviolet radiation. J Phys Chem A. 2010 Mar 11; 114(9):3176-81. PMID: 20017531.
        View in: PubMed
      20. Kostko O, Bravaya K, Krylov A, Ahmed M. Ionization of cytosine monomer and dimer studied by VUV photoionization and electronic structure calculations. Phys Chem Chem Phys. 2010 Mar 28; 12(12):2860-72. PMID: 20449376.
        View in: PubMed
      21. Kostko O, Kim SK, Leone SR, Ahmed M. Mass-analyzed threshold ionization (MATI) spectroscopy of atoms and molecules using VUV synchrotron radiation. J Phys Chem A. 2009 Dec 31; 113(52):14206-11. PMID: 19476362.
        View in: PubMed
      22. Che DL, Smith JD, Leone SR, Ahmed M, Wilson KR. Quantifying the reactive uptake of OH by organic aerosols in a continuous flow stirred tank reactor. Phys Chem Chem Phys. 2009 Sep 28; 11(36):7885-95. PMID: 19727496.
        View in: PubMed
      23. Takahashi LK, Zhou J, Wilson KR, Leone SR, Ahmed M. Imaging with mass spectrometry: a secondary ion and VUV-photoionization study of ion-sputtered atoms and clusters from GaAs and Au. J Phys Chem A. 2009 Apr 23; 113(16):4035-44. PMID: 19371112.
        View in: PubMed
      24. Kostko O, Ahmed M, Metz RB. Vacuum-ultraviolet photoionization measurement and ab initio calculation of the ionization energy of gas-phase SiO2. J Phys Chem A. 2009 Feb 19; 113(7):1225-30. PMID: 19170561.
        View in: PubMed
      25. Kostko O, Belau L, Wilson KR, Ahmed M. Vacuum-ultraviolet (VUV) photoionization of small methanol and methanol-water clusters. J Phys Chem A. 2008 Oct 02; 112(39):9555-62. PMID: 18578483.
        View in: PubMed
      26. Belau L, Wilson KR, Leone SR, Ahmed M. Vacuum ultraviolet (VUV) photoionization of small water clusters. J Phys Chem A. 2007 Oct 11; 111(40):10075-83. PMID: 17715907.
        View in: PubMed
      27. Belau L, Wheeler SE, Ticknor BW, Ahmed M, Leone SR, Allen WD, Schaefer HF, Duncan MA. Ionization thresholds of small carbon clusters: tunable VUV experiments and theory. J Am Chem Soc. 2007 Aug 22; 129(33):10229-43. PMID: 17655303.
        View in: PubMed
      28. Belau L, Wilson KR, Leone SR, Ahmed M. Vacuum-ultraviolet photoionization studies of the microhydration of DNA bases (guanine, cytosine, adenine, and thymine). J Phys Chem A. 2007 Aug 09; 111(31):7562-8. PMID: 17419600.
        View in: PubMed
      29. Wilson KR, Peterka DS, Jimenez-Cruz M, Leone SR, Ahmed M. VUV photoelectron imaging of biological nanoparticles: ionization energy determination of nanophase glycine and phenylalanine-glycine-glycine. Phys Chem Chem Phys. 2006 Apr 28; 8(16):1884-90. PMID: 16633674.
        View in: PubMed
      30. Wilson KR, Jimenez-Cruz M, Nicolas C, Belau L, Leone SR, Ahmed M. Thermal vaporization of biological nanoparticles: fragment-free vacuum ultraviolet photoionization mass spectra of tryptophan, phenylalanine-glycine-glycine, and beta-carotene. J Phys Chem A. 2006 Feb 16; 110(6):2106-13. PMID: 16466244.
        View in: PubMed
      31. Shu J, Wilson KR, Ahmed M, Leone SR, Graf C, Rühl E. Elastic light scattering from nanoparticles by monochromatic vacuum-ultraviolet radiation. J Chem Phys. 2006 Jan 21; 124(3):034707. PMID: 16438600.
        View in: PubMed
      32. Nicolas C, Shu J, Peterka DS, Hochlaf M, Poisson L, Leone SR, Ahmed M. Vacuum ultraviolet photoionization of C3. J Am Chem Soc. 2006 Jan 11; 128(1):220-6. PMID: 16390150.
        View in: PubMed
      33. Shu J, Wilson KR, Arrowsmith AN, Ahmed M, Leone SR. Light scattering of ultrafine silica particles by VUV synchrotron radiation. Nano Lett. 2005 Jun; 5(6):1009-15. PMID: 15943434.
        View in: PubMed
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