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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Molecular distribution sensing in a fluorescence resonance energy transfer based affinity assay for glucose

Rolinski, O.J. and Birch, D.J.S. and McCartney, L. and Pickup, J.C. (2001) Molecular distribution sensing in a fluorescence resonance energy transfer based affinity assay for glucose. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 57 (11). pp. 2245-2254. ISSN 1386-1425

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Abstract

A newly developed method for determining molecular distribution functions is applied to a widely researched glucose affinity sensor. The reduction in fluorescence resonance energy transfer (FRET) to a malachite green (MG)-dextran complex from allophycocyanin (APC) bound to concanavalin A (ConA) due to displacement of the complex by glucose from ConA provides the basis of the assay. The higher sensitivity and specificity of a new approach to fluorescence decay analysis, over the methods based on conventional Förster-type models, is demonstrated and critical parameters in competitive binding FRET sensing derived.