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Faculty with research interests and backgrounds
in study
the basic structure of matter at the molecular and supramolecular
levels, as well as making precise spectroscopic and instrumental
measurements that enable one to verify theory. Our faculty pursue
a wide range of interests from theoretical to computational quantum
chemistry, from molecular beam laser photochemistry to solution and
solid state photophysics, from biophysical to materials to small
molecule property analysis, from NMR and Raman to fluorescence and
circular dichorism spectroscopy. Because of our department's
strong interest in applied as well as basic chemical research, and
our strong links to departments that
seek collaborators with strong basic physical chemistry backgrounds
(e.g., Chemical Engineering, Biochemistry & Molecular Biology,
Physics, and Polymer Science & Engineering), the physical chemists
tend to be very interdisciplinary and highly collaborative.
One major
focus is the biophysical chemistry of molecular shape and function.
Spectroscopic techniques are applied to understand structure and
function in various naturally occurring proteins. Fast kinetic
methods are applied to unravel the mechanisms of crucial biochemical
reactions, and thermodynamic measurements are used to identify the
energetically important interactions critical to biomolecules. The
problems of biology are fascinatingly complex, but they are amenable
to good experimental design and precise physical measurements. The
expertise and experimental facilities available to purse biophysical
chemistry at UMass are top-notch, as shown by the high success of
faculty in this area.
Another significant concentration is the study
of the basic nature of catalytic interactions in the gas phase in
solution, in restricted media (e.g., nanoporous materials), and on
surfaces. Both classical and quantum mechanical methods have been
developed here to probe the means by which molecules adsorb onto
metal surfaces or diffuse through zeolite pores of different sizes.
UMass-Amherst studies suggest that microwaves
can be used to provide new, energy-efficient methodology to carry
out separations of molecules under circumstances that previously
could require heating the whole separating system. Molecular beam
experiments here probe the creation and reactivity of intermediates
formed under conditions analogous to transition metal catalysis.
Some of this work is aimed at developing catalytic
routes to convert methane (a greenhouse gas)
to methanol. The computational and theoretical physical chemistry
groups are very strong and high collaborative in these areas, both
within our department and in collaboration with others.
Molecular level studies of surfaces
are another major thrust of the physical chemists. UMass-Amherst
groups student self-assembly of biomolecules and organic polymers
on surfaces, with the aim of making novel sensor and electronic devices.
At the George Richason Laboratory for Nanophotonics Research, single
molecule fluorescene images reveal the dipolar orientation of molecules,
providing a tool to detect the emission and transfer of energy in
nanoarrays assembled
on a surface. The general area of nanoscience is hotly pursued throughout
the world, and scientists at UMass-Amherst have been some
of the best recognized and best funded anywhere in this area. The
physical and biophysical chemists in our department are important
contributors to this high-profile area on our campus, and are collaborative
well-connected to the work ongoing both here and elsewhere.
For participating faculty see Research
Matrix.
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