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Structural determination of oxofatty acids by charge-remote fragmentations

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  1. Article

    Gas-phase nazarov cyclization of protonated 2-methoxy and 2-hydroxychalcone: An example of intramolecular proton-transport catalysis

    Upon CA, ESI generated [M + H]+ ions of chalcone (benzalacetophenone) and 3-phenyl-indanone both undergo losses of H2O, CO, and the elements of benzene. CA of the [M + H]+ ions of 2-methoxy and 2-hydroxychalcone,...

    Mathai George, Valarkottu S. Sebastian… in Journal of the American Society for Mass S… (2009)

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  2. Article

    New Protein Footprinting: Fast Photochemical Iodination Combined with Top-Down and Bottom-Up Mass Spectrometry

    We report a new approach for the fast photochemical oxidation of proteins (FPOP) whereby iodine species are used as the modifying reagent. We generate the radicals by photolysis of iodobenzoic acid at 248 nm; ...

    Jiawei Chen, Weidong Cui, Daryl Giblin… in Journal of The American Society for Mass S… (2012)

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  3. Article

    Dosimetry Determines the Initial OH Radical Concentration in Fast Photochemical Oxidation of Proteins (FPOP)

    Fast photochemical oxidation of proteins (FPOP) employs laser photolysis of hydrogen peroxide to give OH radicals that label amino acid side-chains of proteins on the microsecond time scale. A method for quant...

    Ben Niu, Hao Zhang, Daryl Giblin… in Journal of The American Society for Mass S… (2015)

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