01/10/2008

My Research Interests:

Nuclear Magnetic Resonance studies of supramolecular chemistry, inclusion chemistry, and molecular self-assembly

Cryptophane-E                                                     Cucurbit[7]uril

Recent Undergraduate Directed Research Projects:

1. Kim Pham, "Dynamic Behavior of Pseudorotaxanes of Cucurbit[7]uril"
2. Melanie Gile, "Dynamic Coupling in Host-Guest Complexes of Cryptophane-E"
3. Rebecca Sanders, "NMR Characterization of Motional Coupling of Bound Guest Molecules for Complexes Involving Cryptophane-E as a Host"
4. Shawn McCleskey, "NMR Characterization of Bound Guest Molecules for Complexes Involving Cryptophane-E as a Host"
5. Phillip Smith, "Assignment of the ¹³C NMR Spectra of Cyclotriveratrylene and Cryptophane-E"
6. Rob Eisenhauer, "Internal Dynamics of Calix[4]arene"
7. Stacy Lester, "Carbon-13 NMR Relaxation Times of Calix[6]arenes"
8. Margo Shultes, "Carbon-13 NMR Relaxation Times of Calix[4]arenes"
9. Brandon Schader, "Use of Metal Complexes with Encapsulating Ligands as Aqueous Paramagnetic Relaxation Reagents in NMR Spectroscopy"

Recent Research Papers and Presentations:

“Dynamic Coupling in Pseudorotaxanes of Cucurbituril”, J. J. Dechter and K. Pham*, Oklahoma Research Day Colloquium, UCO, April 2007.

"Dynamic Behavior of Pseudorotaxanes of Cucurbit[7]uril", K. Pham* and J. J. Dechter, Regional Universities Research Day Colloquium, UCO, November 2005.

“Dynamics of Cryptophane-E Inclusion Complexes with Tetrahedral Guests”, J. Lang, Z. Tosner, J. J. Dechter, and J. Kowalewski, Regional Universities Research Day Colloquium, UCO, October 2002.

“Dynamics of Cryptophane-E Inclusion Complexes with Tetrahedral Guests”, J. Lang, Z. Tosner, J. J. Dechter, and J. Kowalewski, 16^th European Experimental NMR Conference, Prague, Czech Republic, June 2002.

"Dynamic Coupling in Supramolecular Host-Guest Complexes", M. Gile*, R. Sanders, S. McCleskey*, P. Smith*, J. J. Dechter, J. Lang, M. Effemey, and J. Kowalewski, Regional Universities Research Day Colloquium, University of Central Oklahoma, November 2001.

"Dynamics of an Inclusion Complex of Chloroform and Cryptophane-E: Evidence for a Strongly Anisotropic van der Waals Bond", J. Lang, J. J. Dechter, M. Effemey,  and J. Kowalewski, Journal of the American Chemical Society, 123, 7852-7858 (2001).

"Dynamic Coupling in Supramolecular Host-Guest Complexes", M. Gile*, R. Sanders*, S. McCleskey*, P. Smith*, and J. J. Dechter, Regional Universities Research Day Colloquium, University of Central Oklahoma, October 2000.

"Carbon-13 NMR Investigation of Dynamic Coupling of Guest Molecules in Host-Guest Complexes of Cryptophane-E", M. Gile*, R. Sanders*, S. McCleskey*, P. Smith*, and J. J. Dechter, 42nd Rocky Mountain Conference on Analytical Chemistry, Denver CO, July 2000.

"Motional Coupling in an Inclusion Complex of CHCl₃ and Cryptophane-E", J. Lang, J. Dechter, and J. Kowalewski, European Experimental NMR Conference, Leipzig, Germany, June 2000.

"Carbon-13 NMR Investigation of Dynamic Coupling of Guest Molecules in Host-Guest Complexes of Cryptophane-E", M. Gile*, R. Sanders*, S. McCleskey*, P. Smith*, and J. J. Dechter, 45^th Annual Pentasectional Meeting of the American Chemical Society, Stillwater, OK, April 2000.

"Carbon-13 NMR Investigation of Dynamic Coupling of Guest Molecules in Host-Guest Complexes of Cryptophane-E", R. Sanders*, S. McCleskey*, P. Smith*, and J. J. Dechter, Regional Universities Research Day Colloquium, University of Central Oklahoma, October 1999.

"Carbon-13 NMR Investigation of Dynamic Coupling of Guest Molecules in Host-Guest Complexes of Cryptophane-E", J. J. Dechter, R. Sanders*, S. McCleskey* and P. Smith*, 44^th Annual Pentasectional Meeting of the American Chemical Society, Tulsa, OK, October 1999.

"Carbon-13 NMR Investigation of Dynamic Coupling of Guest Molecules in Host-Guest Complexes of Cryptophane-E", J. J. Dechter, R. Sanders*, S. McCleskey*, P. Smith*, 55^th Southwest Regional Meeting of the American Chemical Society, El Paso, TX, October 1999.

"Multiple Field Carbon-13 NMR Relaxation of Calix[4]arene in Solution",  M. Shultes*, R. Eisenhauer*, J. J. Dechter, M. Johansson, P. Kumar, and J. Kowalewski, Magnetic Resonance in Chemistry, 37, 799 (1999).

"NMR Studies of Host Framework Flexibility of Hemicarcerands", S. McCleskey*, P. Smith*, and J. J. Dechter, University Research Colloquium, UCO, September 1998.

"Host Framework Flexibility and Freedom of Motion of Guest Molecules in Supramolecular Host-Guest Complexes", S. McCleskey*, P. Smith*, and J. J. Dechter, 43rd Pentasectional Meeting of the American Chemical Society, Ponca City, OK, August 1998

"Host Framework Flexibility and Freedom of Motion of Guest Molecules in Supramolecular Host-Guest Complexes", S. McCleskey*, P. Smith*, and J. J. Dechter, Rocky Mountain Conference on Analytical Chemistry, Denver CO, July 1998.

"Carbon-13 NMR Relaxation Study of Framework Flexibility for Cryptophane-E", J. J. Dechter and P. Smith*, 215th National Meeting of the American Chemical Society, Dallas TX, March 1998.

"Carbon-13 NMR Relaxation Study of Framework Flexibility for Cryptophane-E", J. J. Dechter and P. Smith*, 53rd Southwest Regional Meeting of the ACS, Tulsa OK, October 1997.

"NMR Relaxation Analysis of Calixarenes", R. Eisenhauer*, M. Shultes*, J. J. Dechter, M. Johansson, and J. Kowalewski, Univerisity Research Colloquium, UCO, September 1997.

"Carbon-13 NMR Relaxation Study of Motional Properties of Calix[4]arenes", R. Eisenhauer*, M. Shultes*, J. J. Dechter, and J. Kowalewski, 38th Experimental NMR Conference, Orlando FL, March 1997.

"Field Dependent Carbon-13 NMR Relaxation Analysis of Calixarenes", M. Shultes*, S. Lester*, and J. J. Dechter, University Research Colloquium, UCO, October 3, 1996.

"Field Dependent ¹³C NMR T₁ Relaxation Analysis of Calixarenes", M. Shultes*, and J. J. Dechter, 37th Experimental NMR Conference, Asilomar CA, March 1996.

"Use of Metal Complexes with Encapsulating Ligands as Aqueous Paramagnetic Relaxation Reagents in NMR Spectroscopy", B. Schader*, and J. J. Dechter, 40th Pentasectional Meeting of the American Chemical Society, University of Oklahoma, Norman OK, April 1995.

*-denotes undergraduate co-author