Types of Gas Used in Medical Gas Systems in Hospitals. 1  Medical gas systems in hospitals are, in a word, lifesaving. These assemblies supply piped oxygen, nitrous oxide, nitrogen, carbon dioxide, and medical air to hospital areas such as patient rooms, recovery areas, operating rooms, and more.
(ËseÉª lin, -laÉªn) adj. 1. of, containing, or tasting of common salt; salty: saline soil; a saline solution. 2. of or pertaining to a chemical salt, esp. of sodium, potassium, or magnesium, used as a cathartic.
Phosphate buffered saline (abbreviated as PBS) is a buffer solution commonly used in biological research. It is a salty solution containing sodium chloride, sodium phosphate, and (in some formulations) potassium chloride and potassium phosphate. The buffer helps to maintain a constant pH. The osmolarity and ion concentrations of the solution usually match those of the human body (isotonic).