The term "acid group" refers to a specific group of atoms found in a molecule that has acidic properties. It is responsible for giving the molecule its acidic nature and the ability to donate protons (H+ ions) during a chemical reaction.
The folic acid group did significantly better, in particular the women, 94 percent of whom improved compared with 61 percent in the placebo group. (discovermagazine.com)
BCAAs — Branched Chain Amino Acids This group of amino acids: valine, leucine, and isoleucine are essential amino acids that contain branched side groups. (nationalnutrition.ca)
They began by coating one AFM tip with an ink consisting of 16 - mercaptohexadecanoic acid (MHA), an organic molecule capped with a water - attracting carboxylic acid group. (sciencemag.org)