
Keywords: CPD، cyclobutane pyrimidine dimer; 64PP, pyrimidine (6-4) pyrimidone photoproducts; 8oxodGuo, 8-oxo-7,8-dihydro-2′-deoxyguanosine; CPD, cyclobutane pyrimidine dimer; DEW, Dewar valence isomer; HPLC-MS/MS, HPLC associated with tandem mass spectrometry; MED, minimal erythema dose; RHE, recon