Gary Goddard

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Rat brain synaptosomes, prepared by discontinuous Ficoll density gradient centrifugation, accumulated 45Ca during brief incubations in modified Krebs-Ringer media. Uptake of 45Ca was increased by 5 mM glutamate and 50 mM KCl, conditions that depolarize nerve cells; uptake of 22Na was also increased by these agents. With 0.2 mM diphenylhydantoin, the(More)
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