FIGURE 2. (A) Time course of ^99mTcN-NOET myocardial activity after bolus injection in isolated perfused rat hearts. Hearts were perfused with KH buffer (control; n = 6), KH with FA-free BSA 0.03% (n = 5), or BSA 0.03% (n = 4). (B) t_1/2 of ^99mTcN-NOET myocardial washout from isolated perfused rat hearts. t_1/2 values were determined by applying exponential fit (y = a₀ x exp[-x/a₁]) to individual ^99mTcN-NOET myocardial washout curves in presence of FA-free BSA or BSA. Data are mean ± SEM of 5 and 4 experiments, respectively. *P < 0.05 vs. FA-free BSA.

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