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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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Selective uncoupling of individual mitochondria within a cell using a mitochondria-targeted photoactivated protonophore

Chalmers, Susan and Caldwell, S.T. and Quin, C and Prime, T.A. and James, A.M. and Cairns, Alan and Murphy, M.P. and McCarron, John and Hartley, R.C. (2012) Selective uncoupling of individual mitochondria within a cell using a mitochondria-targeted photoactivated protonophore. Journal of the American Chemical Society, 134 (2). pp. 758-761.

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Abstract

Depolarization of an individual mitochondrion or small clusters of mitochondria within cells has been achieved using a photoactivatable probe. The probe is targeted to the matrix of the mitochondrion by an alkyltriphenylphosphonium lipophilic cation and releases the protonophore 2,4-dinitrophenol locally in predetermined regions in response to directed irradiation with UV light via a local photolysis system. This also provides a proof of principle for the general temporally and spatially controlled release of bioactive molecules, pharmacophores, or toxins to mitochondria with tissue, cell, or mitochondrion specificity.