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. Author manuscript; available in PMC: 2019 Dec 17.
Published in final edited form as: Biochemistry. 1979 Nov 13;18(23):5170–5176. doi: 10.1021/bi00590a022

figure 4:

figure 4:

Benzo[a]pyrene uptake into rat liver microsomes. (A) The open symbols represent BP uptake into microsomes from 16.7 mg of particles, and the closed symbols represent BP uptake into microsomes in an identical fashion, except that the microsomes were preincubated for 30 min with an additional 16.7 mg of particles which did not contain BP. Similar results were obtained upon addition of microsomes to a suspension containing both 16.7 mg of unlabeled particles and 16.7 mg of particles with adsorbed BP. (B) As indicated, the particles were added to preformed BP microcrystals.