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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 University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Toward single-metal-ion sensing by forster resonance energy transfer

Sutter, J.U. and Macmillan, A.M. and Birch, D.J.S. and Rolinski, O.J. (2008) Toward single-metal-ion sensing by forster resonance energy transfer. Annals of the New York Academy of Sciences, 1130. pp. 62-67. ISSN 0077-8923

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Abstract

Here we describe progress toward our objective of detecting single nonfluorescent hydrated metal ions. Single-ion detection represents detection and spectroscopy at the ultimate sensitivity level of approximately 1.6 x 10(-24) M. Achieving this goal would provide a breakthrough in analytical science and allow much more detailed insight into sensor-ion interaction than that available with conventional bulk detection methods. We combine recent advances in confocal microscopy with the sensitivity and the noninvasive nature of fluorescence by analyzing Forster resonance energy transfer between sensor fluorophores and transition metal ions.