From: Measurement of Δ9THC and metabolites in the brain and peripheral tissues after intranasal instillation of a nanoformulation
2 h
% of dose administered
Mean of 4 brain regions
15.9 ± 9.8 ng/mg (15.9 μg/g)
5.9%
Blood
4.56 ± 1.29 μg/mL
1.7%
Plasma
4.54 ± 1.36 μg/mL
1.6 %
Urine
1.17 ± 0.66 μg/mL
0.4%
Liver
0.28 ± 0.09 μg/g
0.1%