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2013

Florida International University

Fluorescence

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Full-Text Articles in Physics

Pressure Induced Structural Changes And Gas Diffusion Pathways In Monomeric Fluorescent Proteins, Yuba R. Bhandari Mar 2013

Pressure Induced Structural Changes And Gas Diffusion Pathways In Monomeric Fluorescent Proteins, Yuba R. Bhandari

FIU Electronic Theses and Dissertations

Fluorescent proteins (FPs) are extremely valuable biochemical markers which have found a wide range of applications in cellular and molecular biology research. The monomeric variants of red fluorescent proteins (RFPs), known as mFruits, have been especially valuable for in vivo applications in mammalian cell imaging. Fluorescent proteins consist of a chromophore caged in the beta-barrel protein scaffold. The photophysical properties of an FP is determined by its chromophore structure and its interactions with the protein barrel.

Application of hydrostatic pressure on FPs results in the modification of the chromophore environment which allows a systematic study of the role of the …