Fluorescence resonance energy transfer from allophycocyanin to malachite green

被引:20
作者
Rolinski, OJ
Birch, DJS
McCartney, LJ
Pickup, JC
机构
[1] Univ Strathclyde, Dept Phys & Appl Phys, Photophys Res Grp, Glasgow G4 0NG, Lanark, Scotland
[2] Guys Hosp, Guys Kings & St Thomas Sch Med, Dept Chem Pathol, London SE1 9RT, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/S0009-2614(99)00707-1
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
The near-infrared fluorescence resonance energy transfer kinetics of the phycobiliprotein allophycocyanin (APC) to malachite green (MG) have been investigated. A model is proposed to account for the fluorescence decay whereby MG binds to APC with a donor-acceptor site distribution which can be best described by 2D quenching kinetics. The results highlight a potential fallacy when interpreting the dimensionality of complex systems or the location of binding sites from Forster decay kinetics. The use of APC in trans-dermal measurements is proposed. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:395 / 401
页数:7
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