An inexpensive miniature preamplifier for monitoring electroencephalographic and extracellular action potentials in unrestrained animals
Sherry, C.J.; Marczynski, T.J.; Karmos, G.; Wei, J.Y.
Acta Physiologica Academiae Scientiarum Hungaricae 46(1): 83-86
1975
ISSN/ISBN: 0001-6756 PMID: 1235457 Document Number: 83613
A miniature preamplifier is described that is suitable for use with microelectrodes with moderately high impedance (i.e. 10 to 25 micron diameter). The device has a gain of 500 and an imput impedance of 2.2 X 10(7) ohms. The imput noise is less than 20 microvolts r.m.s.
Document emailed within 1 workday
Related Documents
Radicheva, N. 1986: Intracellular and extracellular action potentials in frog muscle fibre upon blocking the potassium conductivity Acta Physiologica et Pharmacologica Bulgarica 12(2): 35-39Silverstein, H.; Wazen, J.; Norrell, H.; Hyman, S.M. 1984: Retrolabyrinthine vestibular neurectomy with simultaneous monitoring of eighth nerve action potentials and electrocochleography American Journal of Otology 5(6): 552-555
Manil, J.; Colin, F.; Voogd, J. 1975: Role of the long ascending pathways in the averaged cerebral somatosensory evoked potentials in the unrestrained dutch rabbit Archives Internationales de Physiologie et de Biochimie 83(2): 335-336
Dmitiev, A.G.; Kotrovskiĭ, A.V. 2000: The potentials of Russian equipment for the self-contained making of inexpensive soy milk, curds and cheese Voenno-Meditsinskii Zhurnal 321(8): 42-45
Lovelace, R.E.; Stone, R.; Zablow, L. 1970: A new test for myasthenia gravis: recording of miniature end-plate potentials in situ Neurology 20(4): 385
Polgar, A.A.; Smirnova, V.S.; Zinkevich, V.A. 1980: Statistical analysis of the structure of a train of miniature endplate potentials following different treatments of the process of transmitter secretion Biulleten' Eksperimental'noi Biologii i Meditsiny 89(6): 654-657
Turbes, C.C.; Schneider, G.T.; Simard, J.M.; Morgan, R.J. 1974: Computer synchronization with neuron action potentials to study related field potentials Biomedical Sciences Instrumentation 10: 165-171
Bachen, N.I. 1970: Evoked potentials . An electroencephalographic contribution to the diagnosis of brain death Nordisk Medicin 84(51): 1619-1622
Zeng, W.Z.; Liu, T.P. 1992: Effects of tetrandrine on action potentials and afterhyperpolarization potentials in toad dorsal root ganglia Zhongguo Yao Li Xue Bao 13(5): 420-423
Waldbillig, R.J.; Bartness, T.J. 1979: A method to provide secure attachment of miniature electric connectors in free-moving animals Laboratory Animal Science 29(6): 814-815
Wasarab, D.E.; Biggs, D.F. 1980: Effects of drugs on miniature excitatory potentials in the adductor superficialis pectoralis muscle of the rainbow trout (Salmo gairdneri) Proceedings of the Western Pharmacology Society 23: 117-120
Tsunoda, K.; Tsunoda, A.; Ishimoto, S.; Kimura, S. 2006: Clinical applications of commercially available video recording and monitoring systems: inexpensive, high-quality video recording and monitoring systems for endoscopy and microsurgery Surgical Technology International 15: 41-43
Kulza, M.; Piekoszewski, W.; Florek, E.; Foryś, D.; Kobus, A.; Seńczuk-Przybyłowska, M.; Chuchracki, M. 2010: Develop rapid and inexpensive method for the determination of methadone and its major metabolites for monitoring therapy Przeglad Lekarski 67(10): 925-928
Savchik, A.B.; Savchuk, L.F.; Ivasivka, S.V.; Savchik, B.A. 1979: Biological action of a constant magnetic field on the hematopoietic system of intact animals and animals with tumors Problemy Gematologii i Perelivaniia Krovi 24(3): 58-60
Soeda, S. 1988: An experimental study on conductive spinal cord action potentials evoked by direct stimulation of the spinal cord--pathway and source of conductive action potentials in the spinal cord Nihon Seikeigeka Gakkai Zasshi 62(5): 535-549
Sada, H.; Sada, S. 1986: Depressant action of Ca-antagonists on slow action potentials in guinea pig ventricular muscles Acta Physiologica Hungarica 68(1): 51-59
Dimitrova, N.A. 1985: Extracellular potentials around active excitable structures with short geometric inhomogeneities Electromyography and Clinical Neurophysiology 25(6): 361-373
Dimitrov, G.V.; Dimitrova, N.A. 1989: Extracellular potentials produced by a transition between an inactive and active regions of an excitable fibre Electromyography and Clinical Neurophysiology 29(5): 265-271
Weber, B.; Echter, E.; Couegnas, J. 1980: Monitoring frequency spectra as a complement to electroencephalographic surveillance in intensive care Agressologie: Revue Internationale de Physio-Biologie et de Pharmacologie Appliquees Aux Effets de l'Agression 21(C): 143-151
Machek, J.; Pavlík, V. 1973: Averaged extracellular field potentials of spontaneously firing brain neurons influenced by pentylenetetrazole Activitas Nervosa Superior 15(3): 172-174