Rapamycin determination
Rapamycin quantity per weighed formulation quantity (Q, mg/g) and
percentage content of remaining rapamycin (%CR) in each formulation was
determined by triplicate at times (t) = 0, 2, 7, 14, 21, 28, 42 and 56
days. T90 was established when %CR was ≤ 90%.