PHOTON ANTENNAE ASSEMBLED BY NUCLEIC-ACID BASE-PAIRING

被引：73
作者：
HARRIMAN, A [1 ]
MAGDA, DJ [1 ]
SESSLER, JL [1 ]
机构：
[1] UNIV TEXAS,CTR FAST KINET RES,AUSTIN,TX 78712
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1991年 / 95卷 / 04期
关键词：
D O I：
10.1021/j100157a005
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
One or two free-base (H2P) or zinc (ZnP) porphyrins have been covalently attached to the nucleic acid bases cytosine and guanine. Upon mixing in CHCl3, the bases dimerize (-13.3 < DELTA-G-degrees < -7.9 kJ mol-1), via multipoint hydrogen bonding, to produce flexible ensembles in which photons harvested by ZnP subunits are transferred to the complementary H2P. Energy transfer is observed from both singlet and triplet excited states of the ZnP subunit.
引用
收藏
页码：1530 / 1532
页数：3
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