title: Selective guanine oxidation by UVB-irradiation in telomeric DNA.
abstract: The combination of the transient absorption measurement and DNA damage quantification by HPLC clearly demonstrated the preferential excitation of guanine and its decomposition in quadruplex DNA by UVB-irradiation.
authors.affiliation: The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Address Mihogaoka 8-1, Ibaraki, Osaka, 567-0047, Japan. kiyohiko@sanken.osaka-u.ac.jp
authors.forename: Kiyohiko
authors.initials: K
authors.lastname: Kawai
authors.forename: Mamoru
authors.initials: M
authors.lastname: Fujitsuka
authors.forename: Tetsuro
authors.initials: T
authors.lastname: Majima
mesh_terms: D004247:DNA / Q000737:chemistry / Q000528:radiation effects*; D006147:Guanine / Q000737:chemistry* / Q000528:radiation effects*; D010084:Oxidation-Reduction; D016615:Telomere / Q000737:chemistry / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D006147:Guanine; D004247:DNA