acidminedrainage administration analysis biochemical biotechnology capsules(pharmacy) cellengineering chemical chemistry colloids congresses controlledreleasetechnology cpasules delayed-actionpreparations dosage dosageforms drugcarriers drugcarriers(pharmacy) drugs drugtargeting effetretard engineering erythrocytes flavoringessences food foodindustryandtrade foodscience guides handbooks industrial manuals manuels metabolism nanoshells nanostructures nanotechnology oxidation pharmaceuticalpreparations physical preservation pyrites qv38i60425r1987 science spraydrying technical technology theoretical transporttheory wb340n279t1985