Enhancement of DNA mediated energy transfer by Mg2+

Title
Enhancement of DNA mediated energy transfer by Mg2+
Author(s)
조태섭장윤정김종문[김종문]이현미[이현미]Biao Jin[Biao Jin]
Keywords
ELECTRON-TRANSFER; SIMULTANEOUS BINDING; CHARGE-TRANSPORT; MINOR-GROOVE; 4',6-DIAMIDINO-2-PHENYLINDOLE; ETHIDIUM; BASE; MESO-TETRAKIS(N-METHYLPYRIDINIUM-4-YL)PORPHYRIN; SPECTROSCOPY; STACKING
Issue Date
201501
Publisher
ELSEVIER SCIENCE INC
Citation
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.21, pp.118 - 120
Abstract
The excited energy of ethidium transferred to meso-tetrakis(N-methylpyridinium-4-yl) porphyrin (TMPyP) when they are simultaneously intercalated between DNA base-pairs. The minimum number of base-pairs between ethidium and TMPyP required for excited ethidium to emit a photon was 36 angstrom or 10.6 base-pairs. The distance was extended to 72 angstrom or 21.2 base-pairs in the presence of 100 mu M Mg2+ ions although the conformation of TMPyP complexed with DNA, which was investigated by circular and linear dichroism spectroscopy, was unaffected by the presence of Mg2+ ions. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/33736http://dx.doi.org/10.1016/j.jiec.2014.02.003
ISSN
1226-086X
Appears in Collections:
교육대학원 > 교육대학원 > Articles
문과대학 > 중국언어문화학과 > Articles
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