339. peak tailing factor Also known as ‘symmetry factor’; a value that reflects the (a)symmetry of a chromatographic peak.
340. per aqueous liquid chromatography Chromatographic mode that is a variant of reversed phase, manifesting typically on unmodified silica at typically 80–100% aqueous mobile phases via surface siloxane moieties and highly energetic adsorptive sites on the silica surface.
341. percent difference from theoretical Another term for bias.
342. peripheral compartment The sum of all body regions to which a drug eventually distributes, but are less perfused and therefore are not in instantaneous equilibrium with the concentration in blood or plasma.
343. pharmacodynamics (PD) The relationship between drug concentration at the site of action (receptor) and pharmacologic response, including biochemical and physiologic effects that influence the interaction of drug with the receptor.
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