In the preferred embodiment of the method, two polymers are dissolved in an aqueous solvent, the substance to be incorporated is dispersed or dissolved in the polymer solution, the mixture is suspended in an organic solvent or polymer/water mixture and stirred, and the solvent is slowly evaporated, creating microspheres with an inner core formed by one polymer and an outer layer formed by the second polymer.
(the mixture; stirred; ) (the substance; to be incorporated; ) (the solvent; is slowly evaporated; ) (an outer layer; formed; by the second polymer) (the substance to be incorporated; is dispersed; ) Context(the substance to be incorporated is dispersed,List([93, 138))):(two polymers; are dissolved; in an aqueous solvent; L:In the preferred embodiment of the method) (the substance to be incorporated; dissolved; in the polymer solution) (an inner core; formed; by one polymer and an outer layer) (the mixture; is suspended; L:in an organic solvent or polymer/water mixture)
the substance to be incorporated is dispersed,List([93, 138))
the mixture the substance the solvent an outer layer the substance to be incorporated two polymers the substance to be incorporated an inner core the mixture
stirred to be incorporated is slowly evaporated formed is dispersed are dissolved dissolved formed is suspended
by the second polymer
in an aqueous solvent L:In the preferred embodiment of the method
in the polymer solution
by one polymer and an outer layer
L:in an organic solvent or polymer/water mixture