Effect of 1-alkanols on the native conformation of Lysozyme

Literature Information

Publication Date 2000-08-25
DOI 10.1039/B003746J
Impact Factor 3.676
Authors

Vania Calandrini, Giuseppe Onori, Aldo Santucci


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Abstract

The technique of intensity photon correlation spectroscopy was utilised to investigate the native conformation of lysozyme in water–ethanol and water–tert-butanol mixtures as a function of alcohol concentration in the water-rich region of composition (cosolvent mole fraction x2<0.08). A non-trivial behaviour of the hydrodynamic radius was obtained, characterised by a minimum at x2 = 0.02 in water–ethanol and x2 = 0.005 in water–tert-butanol mixtures. This behaviour is similar to that of the partial molar volume of 1-alkanols in water and reflects changes in alcohol–water structure. The results are discussed in connection with the effect of the alcohol in modulating solvent-mediated interactions.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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