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Endocrinology (2016) 157:107181
Designed for patient convenience and confidence in treatment
(see figure) Chan SJ, Keim P, Steiner DF
Yang H, Liu CN, Wolf RM, Ralle M, Dev S, Pierson H, et al
insulin is broken down by the stomach acid Concentration the higher the concentration, the more drug that is absorbed (usually!) Ionisation ionised particles cannot diffuse across membranes this plays a part in the mechanism of action for local anaesthetics Solubility drugs that are more polar (see below) are less readily absorbed through the lipid bilayer of the cell membrane Physical state of the drug e.g