The University of Toledo

Jon R. Kirchhoff, Ph.D.

Associate Professor 419.530.1515 Phone Wolfe Hall 2265 jon.kirchhoff@utoledo.edu

Education

B.A., 1979	State University of New York at Cortland
Ph.D., 1985	Purdue University

Research Interests

Development of modified electrodes and microelectrodes; electrochemical detectors for capillary electrophoresis; bioanalytical chemistry; electrochemical and spectroelectrochemical methods for characterization and analysis; redox properties, photochemistry and photophysics of coordination compounds; synthetic methods for low-valent rhenium complexes.

Publications (selective papers represented)

1. Okamoto, K.-I., J.R. Kirchhoff, W.R. Heineman, E. Deutsch, and M.J. Heeg. Preparation, characterization, electrochemical properties and single crystal structural analysis of [Tc(SCP)2(DMPE)2](PF6)3. Where SCP is the Zwitter-Ionic ligand SCH2P+(CH3)2(CH2)2P(S)(CH3)2 and Dmpe is l,2bis(dimethylphosphino)ethane. Polyhedron 12: 749-757, 1993.
   
   
2. Kummer, M., and J.R. Kirchhoff. Graphite-coated metal mesh optically-transparent electrodes. Anal Chem. 65: 3720-3725, 1993.
   
   
3. Lee, Y.F., and J.R. Kirchhoff, J.R. Design and characterization of a spectroelectrochemical cell for absorption and luminescence measurements. Anal. Chem. 63: 3430-3434, 1993.
   
   
4. Wittstock, G., H. Emons, M. Kummer, J.R. Kirchhoff, and W.R. Heineman. Application of scanning electrochemical microscopy and scanning electron microscopy for characterization of carbon-spray modified electrodes. Fresenius J. Anal Chem 348: 712-718, 1994.
   
   
5. Lee, Y.F., and J.R. Kirchhoff. Absorption and luminescence spectrochemical characterization of highly luminescent re(II) complex. J. Am. Chem. Soc.116: 3599-3600, 1994.
   
   
6. Giu, Y., H. Lee, J.R. Kirchhoff, L. Manzey, and R.A. Hudson. Mechanism of action of the redox affinity reagent trimethylammoniomethyl catechol. Biochemistry 33: 8486-8494, 1994.
   
   
7. Zhao, G., D.M. Giolando, and J.R. Kirchhoff. Fabrication of silica-coated fiber ultramicroelectrodes by chemical vapor deposition. J. Electroanal. Chem. 379: 505-508, 1994.
   
   
8. Brooks, K.T., D.C. Finnen, J.R. Kirchhoff and A.A. Pinkerton. Bis(triphenylphosphine2,3-bis(2-pyrazine)-copper(I) nitrate. Acta Cryst. C50: 1696-1699, 1994.
   
   
9. Zhao, G., D.M. Giolando, and J.R. Kirchhoff. Carbon ring-disk ultramicroelectrodes. Anal. Chem. 67: 1491-1495, 1995.
   
   
10. Zhang, Z., L.M.V. Tillekeratne, J. R. Kirchhoff and R.A. Hudson. High performance liquid chromatographic separation and pH-dependent electrochemical properties of pyrroloquinoline quinone and three closely related isomeric analogues. Biochem. Biophys. Res. Commun. 212: 41-47, 1995.
    
    
11. Zhao, G., D.M. Giolando and J.R. Kirchhoff. Chemical vapor deposition fabrication and characterization of silica coated carbon fiber ultramicroelectrodes. Anal. Chem. 67: 2592-2598, 1995.
    
    
12. Lee, Y.F, J.R. Kirchhoff, R.M. Berger, and D. Gosztola. Spectroelectrochemistry and excited state absorption spectroscopy of rhenium(I) a,a'-diimine complexes. J. Chem. Soc., Dalton Trans 3677-3682, 1995.
    
    
13. M. Zhong, J. Zhou, S.M. Lunte, G. Shao, D.M. Giolando, and J.R. Kirchhoff. Dual electrode detection for capillary electrophoresis/electrochemistry. Anal. Chem. 68: 203-207, 1996.
    
    
14. Kummer, M., and J.R. Kirchhoff. Electron Transfer Properties of Pyrolytic Graphite optically Transparent Electrodes. Electroanalysis 8: 24-528, 1996.
    
    
15. Kirchhoff, J.R., J.F. Wheeller, C.E. Lunte, W.R. Heineman, S.H. Jenkins. Electrochemistry: Principles and Measurement. In Clinical Chemistry-Theory, Correlation and Analysis, 3rd ed.; Kaplan, L.A., A.j. Pesce, eds; C.V. Mosby Company: St. Louis, MO Chapter 15, 1996.
    
    
16. Shen, R., L.M.V. Tillekeratne, J.R. Kirchhoff and R.A. Hudson. 6-hydroxycatecholine, a choline-mimicking analogue of the selective neurotoxin, 6-hydroxydopamine. Biochem. Biophys. Res. Commun 228: 187-192, 1996.
    
    
17. Meier, F., D.M. Giolando, and J.R. Kirchhoff. Silicon carbide: a new electrode material for voltammetric measurements. J. Chem. Soc. Chem. Commun. 2553-2554, 1996.
    
    
18. Kirchhoff, J.R. Luminescence spectroelectrochemistry. Current Separations 16: 11-14, 1997.
    
    
19. Kirchhoff, J.R., M.R. Allen, B.V. Cheesman, K. Okamoto, W.R. Heineman, E. Deutsch. Electrochemistry and spectroelectrochemistry of [Re(1,2-bis(dimethylphosphino)ethane)3]. Inorg. Chim. Acta. 262: 195-202, 1997.
    
    
20. Burns, F.M., D.M. Giolando, J.R. Kirchhoff. Characterization of ceramic-basedual ultramicroelectrodes by microscopic and electrochemical methods. Microscopy and Microanalysis 3: 12451246, 1997. Abstract.
    
    
21. Kirchhoff and K. Kirschbaum. Comparative x-ray crystallographic characterization of the mono-and bimetallic complexes of rhenium(I) tricarbonyl chloride with 2,3-bis(2-pyridyl) pyrazine. Polyhedron 17: 4033-4039, 1998.
    
    
22. Smith, A.R., Kirchhoff, J.R.; Tillekeratne, L.M.V.; Hudson, R.A. Separation of Negatively Charged Isomeric Quinones by Capillary Electrophoresis with Reductive Electrochemical Detection in Acidic Media. , Anal. Commun., 36, 371-374, 1999.
    
    
23. Smith, A.R.; Kirchhoff, J.R.; Zhang, Z.; Tillekeratne, L.M.V.; Hudson, R.A., J. Separation of the Enzyme Cofactor Pyrroloquinoline Quinone and Three Isomeric Analogues by Capillary Electrophoresis with Ion-Pairing Media., 193-199, 2000.
    
    
24. Mauro, L.S.; Kuhl, D.A.; Kirchhoff, J.R.; Mauro, V.F.; Hamilton, R., Impact of Oral Bases on Aluminum Absorption. American Journal of Therapeutics, in press.
    
    
25. Inoue, T.; Kirchhoff, J.R Electrochemical Detection of Thiols with a Coenzyme Pyrroloquinoline Quinone Modified Electrode., Anal. Chem., submitted.
    
    
26. Bozon, J. P.; Giolando, D.M.; Kirchhoff, J.R Development of Metal-Based Microelectrode Sensor Platforms by Chemical Vapor Deposition. ., J. Electroanal. Chem., submitted.
    
    
27. Hudson, R.A., and Kirchhoff, J.R. Quinone Cofactors Analytical Biochemistry, invited review.