Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent
Abstract
Using neutron scattering and molecular dynamics simulation, techniques most often associated with protein dynamical transition studies, we have investigated the microscopic dynamics of one of the most common polymers, polystyrene, which was exposed to toluene vapor, mimicking the process of protein hydration from water vapor. Polystyrene with adsorbed toluene is an example of a solvent-solute system, which, unlike biopolymers, is anhydrous and lacks hydrogen bonding. Nevertheless, it exhibits the essential traits of the dynamical transition in biomolecules, such as a specific dependence of the microscopic dynamics of both solvent and host on the temperature and the amount of solvent adsorbed. Ultimately, we conclude that the protein dynamical transition is a manifestation of a universal solvent-solute dynamical relationship, which is not specific to either biomolecules as solute, or aqueous media as solvent, or even a particular type of interactions between solvent and solute.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Bhabha Atomic Research Centre (BARC), Mumbai (India)
- National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1245358
- Grant/Contract Number:
- AC05-00OR22725; DMR-1508249; FWP-3ERKCSNL
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physical Chemistry. B, Condensed Matter, Materials, Surfaces, Interfaces and Biophysical Chemistry
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 12; Journal ID: ISSN 1520-6106
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Mamontov, E., Sharma, V. K., Borreguero, J. M., and Tyagi, M. Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent. United States: N. p., 2016.
Web. doi:10.1021/acs.jpcb.6b00866.
Mamontov, E., Sharma, V. K., Borreguero, J. M., & Tyagi, M. Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent. United States. https://doi.org/10.1021/acs.jpcb.6b00866
Mamontov, E., Sharma, V. K., Borreguero, J. M., and Tyagi, M. Tue .
"Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent". United States. https://doi.org/10.1021/acs.jpcb.6b00866. https://www.osti.gov/servlets/purl/1245358.
@article{osti_1245358,
title = {Protein-style dynamical transition in a non-biological polymer and a non-aqueous solvent},
author = {Mamontov, E. and Sharma, V. K. and Borreguero, J. M. and Tyagi, M.},
abstractNote = {Using neutron scattering and molecular dynamics simulation, techniques most often associated with protein dynamical transition studies, we have investigated the microscopic dynamics of one of the most common polymers, polystyrene, which was exposed to toluene vapor, mimicking the process of protein hydration from water vapor. Polystyrene with adsorbed toluene is an example of a solvent-solute system, which, unlike biopolymers, is anhydrous and lacks hydrogen bonding. Nevertheless, it exhibits the essential traits of the dynamical transition in biomolecules, such as a specific dependence of the microscopic dynamics of both solvent and host on the temperature and the amount of solvent adsorbed. Ultimately, we conclude that the protein dynamical transition is a manifestation of a universal solvent-solute dynamical relationship, which is not specific to either biomolecules as solute, or aqueous media as solvent, or even a particular type of interactions between solvent and solute.},
doi = {10.1021/acs.jpcb.6b00866},
journal = {Journal of Physical Chemistry. B, Condensed Matter, Materials, Surfaces, Interfaces and Biophysical Chemistry},
number = 12,
volume = 120,
place = {United States},
year = {Tue Mar 15 00:00:00 EDT 2016},
month = {Tue Mar 15 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Low-Temperature Dynamical Transition in Lipid Bilayers Detected by Spin-Label ESE Spectroscopy
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