Sentence examples for total plasma radioactivity from inspiring English sources

a Percentage of intact tracer in the total plasma radioactivity.

At baseline, the parent became 50% of the total plasma radioactivity between 7 and 60 min (n = 4) after injection.

The fraction of unmetabolized [11C]TASP0410457 decreased over time, accounting for 34%% of total plasma radioactivity at 90 min (Fig. 6c).

After centrifugation, the total plasma radioactivity concentration was measured using a γ-counter (1470 Wizard, PerkinElmer, Shelton, CT, USA) cross-calibrated to the PET scanner.

Under control conditions, [18F]NS14490 represented 39%and33%3% of the total plasma radioactivity at 30 and 60 min p.i. (Figure 4), respectively; pre-treatment with NS6740 was without significant effect on determined metabolite fractions values.

Influences of the radiometabolite on V T values in the human brain would be even less profound, because only 13%% of total plasma radioactivity at 30 min in humans arose from a metabolite identical to the molecule detected in animals (Kimura et al., manuscript submitted to Eur J Nucl Med Mol Imaging).

Figure  1 illustrates the total plasma F radioactivity curve for each ethnic group and for each mass dose.

Table  2 presents the pharmacokinetic parameters derived from the total plasma F radioactivity concentration vs time curves.

For the discrete samples, the total blood radioactivity and plasma radioactivity were determined by gamma counter (Raytek, Sheffield, UK), and the plasma parent (FLT) fraction was determined by HPLC with radiochemical detection (Acrodisc, VWR International Ltd., Leicestershire, UK) [5, 24] at 2.5, 5, 10, 30, 45, 60, 75 and 90 min after scan start.

The total and metabolite-corrected plasma radioactivity levels decreased rapidly (data not shown).

Both the total and metabolite-corrected plasma radioactivity decreased rapidly (data not shown).