change, alter, vary, modify mean to make or become different. change implies making either an essential difference often amounting to a loss of original identity or a substitution of one thing for another. changed the shirt for a larger size; alter implies a difference in some particular respect without suggesting loss of identity.
hydrophilic - having a strong affinity for water; tending to dissolve in, mix with, or be wetted by water. chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
The hydrophilic head is polar and likes to come into contact with an aqueous phase. The hydrophobic tail is nonâpolar and resists interactions with an aqueous phase. Anionic surfactants are the most widely used, accounting for 50 â 60% of all applications (Salager 2002).