The interaction between calf thymus DNA （ctDNA） and Pd （Ⅱ） meso-tetralds- （4-N-methyl pyridiniumyl） porphyrin （Pd-TMPyP） was investigated by steady solid-substrate room temperature phosphorescence （SS-RTP）....The interaction between calf thymus DNA （ctDNA） and Pd （Ⅱ） meso-tetralds- （4-N-methyl pyridiniumyl） porphyrin （Pd-TMPyP） was investigated by steady solid-substrate room temperature phosphorescence （SS-RTP）. The SS-RTP intensity and lifetime of Pd-TMPyP enhanced with the increasing ctDNA. The anion quenching experiment of Pd-TMPyP indicated that Pd-TMPyP intercalated into ctDNA, which was also approved by UV-Vis spectra. Keywords： Pd-TMPyP, ctDNA, SS-RTP, intercalation展开更多
基金the National Natural Science Foundation of China （No.20275022）.
文摘The interaction between calf thymus DNA （ctDNA） and Pd （Ⅱ） meso-tetralds- （4-N-methyl pyridiniumyl） porphyrin （Pd-TMPyP） was investigated by steady solid-substrate room temperature phosphorescence （SS-RTP）. The SS-RTP intensity and lifetime of Pd-TMPyP enhanced with the increasing ctDNA. The anion quenching experiment of Pd-TMPyP indicated that Pd-TMPyP intercalated into ctDNA, which was also approved by UV-Vis spectra. Keywords： Pd-TMPyP, ctDNA, SS-RTP, intercalation
