Procaterol, applied as procaterol hydrochloride (USAN), is an intermediate-acting Î²2-adrenergic receptor agonist used for the treatment of asthma.It has never been filed for FDA evaluation in the United States, where it is not marketed.The drug is readily oxidised in the presence of moisture and air, making it unsuitable for therapeutic use by inhalation.Pharmaceutical company Parke-Davis / Warner-Lambert researched a stabilizer to prevent oxidation, but an effective one was never developed.he drug is readily oxidised in the presence of moisture and air, making it unsuitable for therapeutic use by inhalation. Pharmaceutical company Parke-Davis / Warner-Lambert researched a stabilizer to prevent oxidation, but an effective one was never developed.
Lassaigneâs test is used to detect the presence of elements: Nitrogen (N), Sulfur (S), Chlorine (Cl), Bromine (Br) and Iodine (I). This test involves following two steps. i) preparation of sodium fusion extract (SFE). ii) Detection of elements using SFE.
See also: Patch test (finite elements). A patch test is a method used to determine whether a specific substance causes allergic inflammation of a patient's skin. Any individual suspected of having allergic contact dermatitis or atopic dermatitis needs patch testing.Patch testing helps identify which substances may be causing a delayed-type allergic reaction in a patient, and may identify allergens not identified by blood testing or skin prick testing.atch testing helps identify which substances may be causing a delayed-type allergic reaction in a patient, and may identify allergens not identified by blood testing or skin prick testing.