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Award Abstract #1243948

Femtosecond Stimulated Raman Scattering, Time Resolved Dynamics, and Electron-Nuclear coupling in Biomolecules

NSF Org: CHE
Division Of Chemistry
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Initial Amendment Date: September 3, 2013
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Latest Amendment Date: September 3, 2013
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Award Number: 1243948
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Award Instrument: Standard Grant
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Program Manager: Colby A. Foss
CHE Division Of Chemistry
MPS Direct For Mathematical & Physical Scien
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Start Date: September 1, 2013
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End Date: August 31, 2017 (Estimated)
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Awarded Amount to Date: $636,000.00
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Investigator(s): Paul Champion champ@neu.edu (Principal Investigator)
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Sponsor: Northeastern University
360 HUNTINGTON AVE
BOSTON, MA 02115-5005 (617)373-2508
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NSF Program(s): PHYSICS OF LIVING SYSTEMS,
CROSS-EF ACTIVITIES,
Chem Struct,Dynmcs&Mechansms A
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Program Reference Code(s): 1982, 7722, 8007, 9161, AMPP
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Program Element Code(s): 7246, 7275, 9101

ABSTRACT

In this award, funded by the Chemical Structure, Dynamics, and Mechanisms Program (A) of the Division of Chemistry, the Molecular Biophysics Program of the Division of Molecular and Cellular Biosciences, and the Physics of Living Systems Program of the Division of Physics, Prof. Paul M. Champion at Northeastern University will use modern, ultrafast laser methods to study the ways in which biomolecular systems use thermal energy to carry out and control biochemical reactions. In particular, Prof. Champion and his research group will use vibrational coherence spectroscopy (VCS) and femtosecond stimulated Raman scattering (FSRS) will be used to probe the ways in which low-frequency vibrations of complex biomolecules influence or modify the reactivity of large biomolecules.

Understanding the chemical reactivity of biomolecular systems is critical towards understanding the way that biological systems operate at the macroscopic scale. Advances in this field will yield advances in medicine and biotechnology. The undergraduate and graduate students working with Prof. Champion will receive excellent training in cutting-edge science at the intersection of Biology and the Physical Sciences. Prof. Champion is also actively collaborating with scientists from underrepresented groups at Northeastern as well as in Puerto Rico.


PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Venugopal Karunakaran, Yuhan Sun, Abdelkirm Benabbas, and Paul M. Champion. "?Investigations of the Low Frequency Modes of Ferric Cytochrome c Using Vibrational Coherence Spectroscopy?," J. Phys. Chem. B, v.118, 2014, p. 6062-6070.

Yuhan Sun, Abdelkirm Benabbas, Weiqiao Zeng, Jesse G. Kleingardner, Kara L. Bren, and Paul M. Champion. "?Investigations of Heme Distortion, Low-Frequency Vibrational Excitations, and Electron Transfer in Cytochrome c?,," Proc. Natl. Acad. Sci.(USA), v.111, 2014, p. 6570-6575.

Abdelkrim Benabbas, Bridget Salna, J. Timothy Sage, and Paul M. Champion. "Deep Proton Tunneling in the Electronically Adiabatic and Non-adiabatic Limits: Comparison of the Quantum and Classical Treatment of Donor-Acceptor Motion," J. Chem. Phys., v.142, 2015, p. 114101. 

 

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