| http://www.w3.org/ns/prov#value | - SUMMARY OF THE INVENTION [0006] It is an object of the present invention to provide a method of releasing low molecular weight molecules, such as drugs, dyes, or other molecules, from a layered polymer film having a net excess charge, by introducing to the system at least one other type of molecule that binds reversibly to the film and thereby reduces the net excess charge. [0007] Another object o
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