Dictionary entry overview: What does isle mean? â¢ ISLE (noun) The noun ISLE has 1 sense: 1. a small island Familiarity information: ISLE used as a noun is very rare.
The sulfate ion is SO42- The sulfite ion is SO32- and is more basic that sulfate.
Structural similarity between sulfonamide (left) and PABA (center) is the basis for the inhibitory activity of sulfa drugs on dihydrofolate (right) biosynthesis. A Sulfonamide (or sulphonamide) is a kind of drug. It is a man-made antibiotic. Their ability to kill infectious bacteria is their main function, but some types have other medical uses. For example, sulfasalazine, in addition to its use as an antibiotic, is also used in the treatment of inflammatory bowel disease. Sulfonamides (sometimes called sulfa drugs or sulpha drugs) contain the sulfonamide chemical group.