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Humana Press, Methods in Molecular Biology, p. 53-74, 2013

DOI: 10.1007/978-1-62703-649-8_4

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High-Pressure Fluorescence Applications

Journal article published in 2013 by Mariano Dellarole, Catherine A. Royer ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Fluorescence is the most widely used technique to study the effect of pressure on biochemical systems. The use of pressure as a physical variable sheds light into volumetric characteristics of reactions. Here we focus on the effect of pressure on protein solutions using a simple unfolding example in order to illustrate the applications of the methodology. Topics covered in this review include the relationships between practical aspects and technical limitations; the effect of pressure and the study of protein cavities; the interpretation of thermodynamic and relaxation kinetics; and the study of relaxation amplitudes. Finally, we discuss the insights available from the combination of fluorescence and other methods adapted to high pressure, such as SAXS or NMR. Because of the simplicity and accessibility of high-pressure fluorescence, the technique is a starting point that complements appropriately multi-methodological approaches related to understanding protein function, disfunction, and folding from the volumetric point of view.