IN assaying antibiotic substances by any of the well-known plate diffusion methods it is necessary to dilute the unknown solution to varying degrees, depending on the original concentration. In ...

The choice of microplate for an assay depends on a variety of factors, but it all starts with the requirements of the result expected from the assaying process, and the rest is worked out backward.

Microbial assays are a technique to assess a compound’s potency or concentration. This is carried out by exposing microorganisms to the compound and determining its effect on them. Microbial assays ...