University of Toronto Engineering researchers have discovered a new way of capturing carbon directly from the air—one that ...
Verywell Health on MSN

What Is a KOH Prep Test?

A KOH prep test is a simple, non-invasive procedure for diagnosing fungal infections of the skin or nails. Cells are ...
ATTEMPTS to determine small concentrations of total silica colorimetrically by applying the method of Straub and Grabowski 1, following solubilization of the silica by boiling with hydroxide, have ...