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Anatomy & Neurobiology - Center for Microelectrode Technology

CenMeT

EDUCATION

RESEARCH

ADMINISTRATIVE

Earlier Publications

  1. Receptor-Mediated Regulation of Serotonin Clearance in Rat Hippocampus in vivoa. Daws, L.C., Gould, G.G., Teicher, S.D., Gerhardt GA, and Frazer, A. 5-HT1B J. Neurochem. 75(5):2113-2122, 2000.
  2. Ceramic-Based Multisite Microelectrodes for Electrochemical Recordings. Burmeister, J.J., Moxon, K., and Gerhardt GA. Anal. Chem., 72(1):187-192, 2000.
  3. In vivo microdialysis studies of age-related alterations in potassium-evoked overflow of dopamine in the dorsal striatum of Fischer 344 rats. Stanford, J.A., Giardina, K., and Gerhardt GA. Int. J. Develop. Neurosci. (18)4-5:411-416, 2000.
  4. Differences in the pharmacological properties of dopamine release between the substantia nigra and striatum: an in vivo electrochemical study. Hoffman, A.F. and Gerhardt GA. JPET, 289:455-463, 1999.
  5. In vivo dopamine clearance rate in rat striatum: regulation by extracellular dopamine concentration and dopamine transporter inhibitors. Zahniser, N.R., Larson, G.A., and Gerhardt GA. JPET, 289:266-277, 1999.
  6. Methodology for coupling local application of dopamine and other chemicals with rapid in vivo electrochemical recordings in freely moving rats. Gerhardt GA, Ksir, C., Pivik, C., Dickinson, S.D., Sabeti, J., and Zahniser, N.R. J. Neurosci. Meth., 87:67-76, 1999.
  7. Age-related changes in the capacity, rate and modulation of dopamine uptake within the striatum and nucleus accumbens of Fischer 344 rats: An in vivo electrochemical study. Hebert, M.A. and Gerhardt GA. JPET, 288:879-887, 1999.
  8. Dopamine transporter activity in the substantia nigra and striatum assessed by high-speed chronoamperometric recordings in brain slices. Hoffman, A.F., Lupica, C.R., and Gerhardt GA. J. Pharmacol. Exp. Therapeut., 287:487-496, 1998.
  9. In vivo electrochemical studies of dopamine clearance in subregions of rat nucleus accumbens: differential properties of the core and shell. David, D., Zahniser, N.R., Hoffer, B.J., and Gerhardt GA. Exp. Neurol., 153:277-286, 1998.
  10. In vivo chronoamperometric measures of extracellular serotonin clearance in rat dorsal hippocampus: contribution of serotonin and norepinephrine transporters. Daws, L.C., Toney, G.M., Gerhardt GA, and Frazer, A. JPET, 286:967-976, 1998.
  11. In vivo electrochemical studies of dopamine clearance in the rat substantia nigra: effects of locally applied uptake inhibitors and unilateral 6-OHDA lesions. Hoffman, A.F. and Gerhardt GA. J. Neurochem., 70:179-189, 1998.
  12. In vivo electrochemical measurements of serotonin clearance in rat striatum: effects of neonatal 6-hydroxydopamine-induced serotonin hyperinnervation and serotonin uptake inhibitors. Luthman, J., Friedemann, M.N., Hoffer, B.J., and Gerhardt GA. J. Neural Tran., 104:379-397, 1997.
  13. Effects of ethanol on striatal dopamine overflow and clearance: An in vivo electrochemical study. Wang, Y., Palmer, M.R., Cline, E.J., and Gerhardt GA. Alcohol, 14:593-601, 1997.
  14. In vivo chronoamperometric measurements of exogenously applied serotonin in the rat dentate gyrus. Daws, L.C., Toney, G.M., Davis, D.J., Gerhardt GA, and Frazer, A. J. Neurosci. Meth., 78:139-150, 1997.
  15. In vivo microdialysis studies of somatodendritic dopamine release in the rat substantia nigra: effects of unilateral 6-OHDA lesions and GDNF. Hoffman, A.F., van Horne, C.G., Eken, S., Hoffer, B.J. and Gerhardt G. Exp. Neurology, 147:130-141, 1997.
  16. Functional effects of GDNF in normal rat striatum: Presynaptic studies using in vivo electrochemisitry and microdialysis. Hebert, M.A., van Horne, C.G., Hoffer, B.J., and Gerhardt GA. J. Pharmacol. Exp. Therapeut., 279:1181-1190, 1996.
  17. o-Phenylenediamine modified carbon fiber electrodes for the detection of nitric oxide. Friedemann, M.N., Robinson, S.W. and Gerhardt GA. Analytical Chem., 68:2621-2628, 1996.
  18. Fabrication and characterization of sputtered-carbon microelectrode arrays. Sreenivas, G., Ang, S.S., Fritsch-Faules, I., Gerhardt G, and Woodward, D.J. Analytical Chemistry, 68:1858-1864, 1996.
  19. In vivo electrochemical studies of the dynamic effects of locally applied excitatory amino acids in the striatum of the anesthetized rat. Friedemann, M.N. and Gerhardt GA.. Exp. Neurol., 138:53-63, 1996.
  20. In vivo electrochemical studies of dopamine overflow and clearance in the striatum of normal and MPTP-treated rhesus monkeys. Gerhardt GA, Cass, W.A., Hudson, J., Henson, M., Zhang, Z., Ovadia, A., Ketonen, E., Hoffer, B.J., and Gash, D.M. J. Neurochem., 66:579-588, 1996.
  21. In vivo assessment of dopamine uptake in rat medial prefrontal cortex: Comparison with dorsal striatum and nucleus accumbens. Cass, W.A. and Gerhardt GA.. J. Neurochem., 65:201-207, 1995.
  22. Glial cell line-derived neurotrophic factor augments midbrain dopaminergic circuits in vivo. Hudson, J., Granholm, A-C., Gerhardt GA, Henry, M.A., Hoffman, A., Biddle, P., Leela, N.S., Mackerlova, L., Lile, J.D., Collins, F., and Hoffer, B.J. Brain Res. Bull., 36:425-432, 1995.
  23. Glial cell line-derived neurotrophic factor reverses toxin-induced injury to midbrain dopaminergic neurons in vivo. Hoffer, B.J., Hoffman, A., Bowenkamp, K., Huettl, P., Hudson, J., Martin, D., Line, L-F. and Gerhardt GA.. Neurosci. Lett. 182:107-111, 1994.
  24. Direct in vivo evidence that D2 dopamine receptors can modulate dopamine uptake. Cass, W.A. and Gerhardt GA.. Neurosci. Lett., 176:259-263, 1994.
  25. In vivo electrochemical measurements of exogenous dopamine clearance in normal and neonatal 6-hydroxydopamine-treated rat striatum. Luthman, J., Friedemann, M.N., Hoffer, B.J. and Gerhardt GA.. Exp. Neurol., 122:273-282, 1993.
  26. In vivo electrochemical measurements and electrophysiological studies of rat striatum following neonatal 6-hydroxydopamine treatment. Luthman, J., Friedemann, M., Bickford, P., Olson, L., Hoffer, B.J. and Gerhardt GA.. Neuroscience 52:677-687, 1993.
  27. Age-induced changes in single locus coeruleus brain transplants grown in oculo: An in vivo electrochemical study. Gerhardt GA, Palmer, M.R. and Granholm, A-Ch. Neurobiology of Aging 12:487-494, 1991.
  28. Electrically-evoked release of norepinephrine in the rat cerebellum: An in vivo electrochemical and electrophysiological study. Bickford-Wimer, P., Pang, K., Rose, G.M. and Gerhardt GA.. Brain Res. 558:305-311, 1991.
  29. Multichannel semiconductor-based electrodes for in vivo electrochemical and electrophysiological studies in rat CNS. van Horne, C., Bement, B., Hoffer, B.J. and Gerhardt GA.. Neuroscience Lett., 120:249-252, 1990.
  30. The effects of cholecystokinin (CCK-8) on dopamine containing nerve terminals in the caudate nucleus and nucleus accumbens of the anesthetized rat: An in vivo -electrochemical study. Gerhardt GA, Friedemann, M., Brodie, M.S., Vickroy, T.W., Gratton, A.P., Hoffer, B.J. and Rose, G.M. Brain Res., 499: 157-163, 1989.
  31. High resolution spatio-temporal analysis of chemical signals using microelectrochemical electrodes. Moore, P.A., Gerhardt GA, and Atema, J. Chem. Senses, 14 (6): 829-840, 1989.
  32. Direct determination of unconjugated HVA in human plasma filtrates by HPLC coupled with dual-electrode coulometric electrochemical detection. Gerhardt GA, Drebing, C.J., Stephen, C. and Freedman, R. Biomed. Chromatog., 3(3): 105-109, 1989.
  33. In vivo electrochemical studies of the effects of N-methyl-D-aspartate (NMDA) on dopamine nerve terminals in the neostriatum of the anesthetized rat. Friedemann, M. and Gerhardt GA.. Proc. West Pharmacol. Soc. 32: 143-147, 1989.
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