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Polymer's coats multi-task in drug delivery
The plastic and sugar coatings give the vesicles dual functionality to target and deliver drugs
Polymer spheres with a sugar coating on the outside and plastic coating on the inside have been made by European scientists. This gives them dual functionality to target and deliver drugs.
Helmut Schlaad from the Max Planck Institute of Colloids and Interfaces, Potsdam, and colleagues from Germany and Switzerland made the spheres by dissolving glycosylated polybutadiene-poly(ethylene oxide) block copolymers in water. When dissolved, the copolymers spontaneously formed hollow colloids called vesicles with a glucose coating on the outside and a poly(ethylene oxide) coating on the inside.
More: http://www.rsc.org/Publishing/ChemScience/Volume/2009/04/Polymer_coats.asp
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