Monitoring of potassium-stimulated catecholamine changes in striatal synaptosomal preparations and in corpus striatum of rats: a comparative voltammetric study.


Voltammetric techniques were used to compare the effects of K(+)-induced depolarization on catecholamine levels in in vitro synaptosomal preparations of the corpus striatum with those in the in vivo corpus striatum of anaesthetized animals. In vitro, the catechol-oxidation currents could be recorded only in dopamine-preloaded synaptosomes. In isolated… (More)


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