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Multiscale Modeling of Self-assembly of Nanostructures, Nanomedicines, and Functionalized Graphenes
thesis
posted on 2014-02-24, 00:00 authored by Niladri PatraWe study by multiscale computational methods the self-assembly of complex nanostructures
from atomic and molecular components. First, we demonstrate by classical molecular dynamics
(MD) simulations how water nanodroplets and carbon nanotubes (CNTs) can activate and guide
bending, folding, sliding, and rolling of planar graphene nanostructures. Next, we show by
coarse-grained MD simulations that hydrated lipid micelles of preferred sizes and amounts of
filling with hydrophobic molecules can be self-assembled on the surfaces of CNTs. We also
show that porous carbon nanotubes can be used in a selective molecular absorption, transport,
and separation. Then, we model in collaboration with experimentalists nanomedicines based on
self-assembled micelles, formed by highly PEGylated linear and branched (dendron-based)
polymers. We also investigate the quantum dynamics of ion binding to graphene nanostructures
using quantum MD simulations. We show that anions are either physisorbed onto the
nanostructures or covalently bound at their selected regions, depending on the initial conditions,
while cations only physisorb onto the nanostructures. Finally, we describe the nucleation of long
chains, large clusters, and complex cage structures in carbon and hydrogen rich interstellar gas
phases by reactive MD simulations.
History
Advisor
Kral, PetrDepartment
ChemistryDegree Grantor
University of Illinois at ChicagoDegree Level
- Doctoral
Committee Member
Keiderling, Tim Snee, Preston T. Hong, Seungpyo Sadeghpour, Hossein R.Submitted date
2013-12Language
- en
Issue date
2014-02-24Usage metrics
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