Role of antioxidants in health maintenance. Sardesai VM. Free radicals are produced in the body as by products of normal metabolism and as a result of exposure to radiation and some environmental pollutants. Because they are highly reactive, they can damage cellular components and are implicated in a variety of diseases.
P1 Material is the name given to Carbon Manganese Steel in the engineering industry.hus finally the P residue describes the aminoacid or molecule which can be found at that specific location of substrate.    P4-P3-P2-P1------P1'-P2' ------ = point of cleavage   S4-S3-S2-S1-[C]-S1'-S2'-S3'    Reference: Schechter and Berger (1967) On the size of active sites in proteases (Biochem. Biophys. Res.
G-10/FR-4 is a thermosetting industrial laminate consisting of a continuous filament glass cloth material with an epoxy resin binder. It has characteristics of high strength, excellent electrical properties and chemical resistance not only at room temperature but also under humid or moist conditions.