Cetyltrimethylammonium bromide (CTAB), sometimes called cetrimonium bromide, is a quaternary ammonium salt with surface-active and antiseptic properties. It was mentioned in the chemical literature as ...

Researchers developed a new kind of earache treatment that exploits a chemical produced by the infectious bacteria. They made nanorods that catalyze a chemical reaction inside the ear that turns ...

In a letter sent late Tuesday, Rep. Edward Markey, D-Mass., asked the Food and Drug Administration for an update on its review of triclosan, an antiseptic chemical […] Skip to content All Sections ...

Save guides, add subjects and pick up where you left off with your BBC account. The effectiveness of the chosen antibiotic or antiseptic can be measured numerically by using the formula \( \pi {r ...