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Fluorescence resonance energy transfer from allophycocyanin to malachite green

Rolinski, O.J. and Birch, D.J.S. and McCartney, L.J. and Pickup, J.C. (1999) Fluorescence resonance energy transfer from allophycocyanin to malachite green. Chemical Physics Letters, 309 (5-6). pp. 395-401. ISSN 0009-2614

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Abstract

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 Förster decay kinetics. The use of APC in trans-dermal measurements is proposed.