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논문 기본 정보

자료유형
학술저널
저자정보
Takada, Tadao (Graduate School of Engineering, University of Hyogo) Tanimizu, Yosuke (Graduate School of Engineering, University of Hyogo) Nakamura, Mitsunobu (Graduate School of Engineering, University of Hyogo) Yamana, Kazushige (Graduate School of Engineering, University of Hyogo)
저널정보
한국광과학회 Rapid communication in photoscience : RCP Rapid communication in photoscience : RCP 제3권 제4호
발행연도
2014.1
수록면
76 - 78 (3page)

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Fluorescent nucleic acids were prepared utilizing the polymerase extension (PEX) reaction to incorporate fluorescent molecules. 2'-Deoxyuridine triphosphate (dUTP) derivatives possessing pyrene molecules as fluorophores were synthesized using the aqueous-phase Sonogashira coupling between 5-Iodo-dUTP and acetylene-linked pyrene molecules. The incorporation of the pyrene (Py)-labeled deoxyuridine triphosphates (PyU) into DNA by polymerase was evaluated by polyacrylamide gel electrophoresis, demonstrating that the PyU can work as a good substrate for the PEX reaction. The fluorescent properties of the functionalized DNA prepared by the PEX reaction were characterized by steady-state fluorescence measurements. The Py-conjugated DNA showed typical emission spectra of the pyrene, and the DNA with two pyrene molecules connected to each other by a diethylene glycol linker exhibited a broadened emission attributed to the electronic interaction between the Py molecules.

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