Table 1. Radioactivity in Fractions Obtained from Folch Extraction in Blood, Brain Tissues, and Urine of Mice (n = 3) 30 min after i.v. Administration of 22-[¹⁸F]FDHA^a.

		Folch extraction
tissue	%ID/g	organic	aqueous	interphase
blood	5.2 ± 1.3	61.5 ± 5.5%	33.5 ± 5.4%	4.9 ± 0.6%
brain	1.10 ± 0.2	58.0 ± 2.2%	32.3 ± 3.0%	9.6 ± 1.1%
urine	19.3 ± 2.9

^aMean ± SD (n = 3).