Binding of optically pure (--)-[3H]nicotine to rat brain membranes.

@article{Abood1983BindingOO,
  title={Binding of optically pure (--)-[3H]nicotine to rat brain membranes.},
  author={Leo G. Abood and Susan Grassi and Michael Costanza},
  journal={FEBS letters},
  year={1983},
  volume={157 1},
  pages={
          147-9
        }
}
With the recent availability of (--)-[3H]nicotine of high specific activity, binding studies were performed on rat brain membranes in the presence of a variety of nicotine analogues and cholinergic drugs. Both a higher affinity (Kd = 2 X 10(-10) M) and a lower affinity (2 X 10(-9) M) site were observed; the stereoselectivity of both sites being similar. A good correlation was observed between IC50-values and psychotropic potency of a series of N'-alkyl substituted nicotine analogues. 
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