Strongly basic medium decomposes artesunate and this procedure has been suggested as a means of indirect assay
In none of the clinical specimens we examined did we discover the quantities of hCGn found by other investigators using indirect assay
The PRA assay is an indirect assay
of renin and is complicated by the fact that Ang I is usually converted to Ang II and degraded into smaller inactive peptides.
In general, the ratio of hits between direct and indirect is much less than the overall ratio of the number of direct to indirect assays
A common format is to coat the ELISA plate with antibody for direct assays, or antigen for indirect assays
These include direct measurement of in vivo oxidative stress and also indirect assays
The Integra ion-selective electrode (ISE) module is designed to quantify Na, K, Cl, and Li in serum and plasma by direct assays of undiluted samples or indirect assays
of diluted samples.