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  • Sandeep Patel, Associate Professor

    Associate Professor
    University of Delaware
    238 Brown Lab
    Newark, DE 19716
    (302) 831-6024
    (302) 831-1070
    http://sites.udel.edu/patelgroup/

    Biography

    B.S., 1992, Drexel University; Ph.D., 1999, The Massachusetts Institute of Technology; Postdoctoral, 1999 – 2006, The Scripps Research Institute

    LinkedIn Profile

    Current Research

    Computational Chemistry, Biophysics, and Engineering:

    A molecular-level understanding of biologically and environmentally-relevant processes is fundamental in order to manipulate and modify such systems to present desired properties and behaviors. Molecular modeling and computational chemistry methods, ranging from the resolution of electrons (quantum chemistry) to classical particles (classical/ Newtonian mechanics) to mescoscopic/ coarse-grained entities, are applied in our lab to study a variety of biologically and environmentally-inspired systems.

    Inorganic and Organic Solutes at Aqueous Liquid- Vapor Interfaces 

    The study of interfaces is important for understanding physicochemical processes such ion transport across cellular membranes, catalysis, and ozone depletion. Molecular dynamics simulations can provide an accurate atomicallyresolved view of these processes, provided the force field used is capable of describing the physics across such interfaces. Therefore, development of accurate transferable models is important for studying these systems.

    Protein-Ligand Binding

    Molecular recognition processes are integral to biological function. It is this interaction that is exploited in the development of novel pharmaceuticals targeted to specific proteins of known structure and relation to dysfunctional states. Complementing experimental approaches to drug discovery and design, current state-of–the-art computational methodologies strive to expedite the early discovery process by screening for smallmolecules with high binding affinity, specificity, and pharmacological properties. The fundamental quantity of interest is the binding affinity (binding constant), and this is rigorously related to the free energy change (with respect to some standard state) associated with a binding reaction.

    Biological Membranes (Lipid Bilayers), Ion Channels, and Integral Membrane Proteins:

    Issues related to ion conduction energetics and mechanisms in integral membrane proteins will be targeted; integral membrane proteins are classic, model systems for testing models capable of representing physical systems in strongly anisotropic regions since an accurate description of the process whereby an ion trans-locates from a bulk aqueous environment (external to the cell) through the lipid-like environment of the cell membrane to the cell interior is required to connect atomistic-level information to macroscopic observables.

    Representative Publications

    • J. E. Davis and S. Patel "Charge Equilibration Force Fields for Lipid Environments: Applications to Fully Hydrated DPPC Bilayers and DMPC-Embedded Gramicidin,"A. Journal of Physical Chemistry B.
    • S. Patel, Y. Zhong, B. A. Bauer and J. E. Davis "Interfacial Structure, Thermodynamics, and Electrostatics of Aqueous Methanol Solutions via Molecular Dynamics Simulations Using Charge Equilibration Models," J. Phys. Chem. B
    • Y. Zhong and S. Patel "Electrostatic Polarization Effects and Hydrophobic Hydration in Ethanol-Water Solutions from Molecular Dynamics Simulations," Journal of Physical Chemistry B113(3)
    • B. A. Bauer, G. L. Warren and S. Patel "Incorporating Phase-Dependent Polarizability in Nonadditive Electrostatic Models for Molecular Dynamics Simulations of the Aqueous Liquid-Vapor Interface," J. Chem. Theory Comput. 5(2)
    • J. E. Davis, O. Rahaman and S. Patel "Molecular Dynamics Simulations of a DMPC Bilayer Using Non-Additive Interaction Models," Biophysical Journal96(2)

 

 

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  • Chemistry and Biochemistry
  • 102 Brown Laboratory
  • University of Delaware
  • Newark, DE 19716, USA
  • Phone: 302-831-1247
  • Undergraduate Program Inquiries 302-831-2465
  • chemistry@udel.edu