Venkidesh Rajagopal

pharmaceutical pharmacy science surface tension b pharm physical pharmacy physics application measurement interfacial tension routes mechanisms biology bioavailability drugaction active transport passive diffusion biopharmaceutics drug absorption hlb value hlb scale surfactants cmc micelle pharma hlb critical micellar concentration suspension adsorption chemistry ions anion formulation potential catión electricity zeta potential nernst potential electrical double layer stability spreading coefficient liquids bpharm ointments creams spreading cosmetics capillary rise method maximum bubble pressure du nuoy ring method wilhelmy plate