Dipolar
and Quadrupolar Coupling in Partially Ordered Media (Research
advisor: Dr. Baltisberger) - The goal of this project is to measure
the
quadrupolar coupling of an 17O labeled O2 or CO molecule bound
to a heme complex. The initial results on CH3COCH3 have been
promising and indicate that the measurement of the 17O couping
in this compound
is feasible.
-
Phosphate Glasses (Research advisor: Dr. Baltisberger)
- The goal of this project is to study the effects of
alkali metal substitution
and quench rates on glass structure using Magic-Angle Hopping/Turning
sequences on the NMR spectrometer. Currently the MAS probe
is performing the MAT experiments quite well and studies
are now in
position
to perform a large number of various composition/preparation
samples.
-
Quadrupolar Nuclei (Research advisor: Dr. Baltisberger)
- The goal of this project is to measure quadrupolar
coupling in aluminate
materials
(partially in collaboration with researchers at UK and
University of Idaho). We currently are getting the MQMAS experiments
up
and running on our instrument.
-
Fast Ligand Exchange Study
(Research advisors: Dr. Baltisberger & Dr.
Blair) - We are studying bis(quinuclidine) iodine (I) and
bis(collidine) iodine (I) complexes and measuring the
exchange of the organic
ligands as a function of temperature and concentration
to determine the full
rate law and mechanism for this process.
-
Magic-Angle Spinning
Stray Field Imaging (MAS-STRAFI) (Research advisor: Dr. Baltisberger)
- While on sabbatical, Dr. Baltisberger invented a new method
for doing stray field imaging at the ENS in Lyon France with
Lyndon Emsley and Sabine Hediger. This project is still under
development to implement the technique at Berea. The basic
idea is to use a standard MAS probe which is mounted about
2-5 cm below the field center of the magnet. In this location,
there is a massive gradient that can be used to conduct micro-imaging.
Some of the problems include doing gradient linearity correction
and spin rate corrections.
-
Solid State INADEQUATE
(Research advisor: Dr. Baltisberger) - We are currently working
on improving the
INADEQUATE experiment
through the use of z-filters to eliminate dispersive phase
terms in the refocused experiment. This is part of a pulse-sequence
development effort that has remained an area of interest
to Dr. Baltisberger.
-
GAUSSIAN98 (Research advisor: Dr. Baltisberger)
- We are working over January 2005 to implement a web interface
for
the GAUSSIAN computational chemistry program. When functional,
we will open the door to computational chemistry to many
other students at Berea College (and beyond). We have used
computational chemistry tools to solve a number of problems,
including calculating
NMR peak positions, lowest energy molecular conformations
and prediction of UV/Vis spectra.