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  1. No Access

    Article

    A (6—4) photoproduct of 5-bromouracil

    The photoreactions of 5-bromouracil (BrUra) induced by 254 nm radiation have received a significant amount of scrutiny over the years, both when induced in liquid aqueous solution and in the frozen state. The ...

    Martin D. Shetlar, Vladimir J. Basus in Photochemical & Photobiological Sciences (2011)

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    Article

    Photoinduced ring opening reactions and subsequent thermal ring closure reactions in the thymine—ammonia system and related systems

    The photo-induced ring opening reactions of thymine (Thy) and 1-methylthymine (MeT) with ammonia and with methylamine (MA) at basic pH, and the subsequent ring closure reactions of the resulting adducts, have ...

    Martin D. Shetlar, Janet Chung, Kellie Hom in Photochemical & Photobiological Sciences (2010)

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    Article

    The cyclobutane dimers of 5-methylcytosine and their deamination products

    The photochemical reactions of 5-methylcytosine (m5C), a minor component of mammalian DNA, have been studied at a concentration of 2 mM in frozen 10 mM aqueous NaCl solution at dry ice temperature (194.5 K). For ...

    Martin D. Shetlar, Vladimir J. Basus… in Photochemical & Photobiological Sciences (2004)

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    Article

    Analysis of peptides and proteins containing nitrotyrosine by matrix-assisted laser desorption/ionization mass spectrometry

    Oxidative damage to proteins can occur under physiological conditions through the action of reactive oxygen species, including those containing nitrogen such as peroxynitrite (ONO 2 ...

    Aaron Sarver, N. Karoline Scheffler… in Journal of the American Society for Mass S… (2001)