A time-resolved near-infrared fluorescence assay for glucose: opportunities for trans-dermal sensing

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Rolinski, O.J. and Birch, D.J.S. and McCartney, L.J. and Pickup, J.C. (2000) A time-resolved near-infrared fluorescence assay for glucose: opportunities for trans-dermal sensing. Journal of Photochemistry and Photobiology B: Biology, 54 (1). pp. 26-34. ISSN 1011-1344 (http://dx.doi.org/10.1016/S1011-1344(99)00148-7)

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Abstract

We report a time-resolved near-infrared fluorescence assay for glucose detection that incorporates pulsed diode laser excitation. Reduction in fluorescence resonance energy transfer to a malachite green-Dextran complex from allophycocyanin bound to concanavalin A (ConA) due to displacement of the complex by glucose from ConA provides the basis of the assay. The fluorescence quenching kinetics are analysed and discussed in detail. The change in fluorescence decay kinetics in the presence of glucose is found from dimensionality studies to be brought about by a change in the distribution of malachite green-Dextran acceptors. Glucose concentrations are measured in solution to within ±10% over the range 0-30 mM.

ORCID iDs

Rolinski, O.J. ORCID logoORCID: https://orcid.org/0000-0002-7838-779X, Birch, D.J.S. ORCID logoORCID: https://orcid.org/0000-0001-6400-1270, McCartney, L.J. and Pickup, J.C.;
  • Item type:Article
    ID code:17501
    Dates:
    Date
    Event
    January 2000
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:20 Apr 2010 13:28
    Last modified:11 Nov 2024 09:16
    URI:https://strathprints.strath.ac.uk/id/eprint/17501
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