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1987 (1)
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 Title    Fluorescence Monitoring of Membrane Potentials: the Spatio-Temporal Resolution in Isolated Neurons of Helix pomatia  
 Abstract    Using amino-styryl-pyridinium dyes as fluorescent probes we have studied the membrane potential in spheroidal neurons isolated from the circumaesophageal ganglia of the snail Helix pomatia. A spatial resolution of 10 ^im is attained at a time resolution of 2.5 ms with a typical signal-to-noise ratio of 10/100 mV as referred to an average sensitivity of the probes of 3%/ 100 mV and to a quantum yield of the detector of 0.13. The linear response of fluorescence, the effect of staining, the variation of sampled area and of illumination are characterized. 
  Reference    Z. Naturforsch. 42c, 986 (1987); received December 29 1986/February 16. 1987 
  Published    1987 
  Keywords    Potential Sensitive Dye, Fluorescent Probes, Styryl D yes, Helix pomatia 
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 TEI-XML for    default:Reihe_C/42/ZNC-1987-42c-0986.pdf 
 Identifier    ZNC-1987-42c-0986 
 Volume    42