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A polymer used as a vehicle for a drug, especially iodine.

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Other significant chemistries currently in use include polyethylene glycol (PEG), poly vinyl pyrrolidone (PVP), polyvinyl alcohol (PVA), gelatin, and other polysaccharides.
Poly vinyl pyrrolidone (PVP) (Mw of 1300 KD) was procured from ISP Technologies Inc.
USA and Poly vinyl pyrrolidone (PVP K-90/D) of molecular weight 1300000 Da was procured from ISP technologies Inc.
Poly vinyl pyrrolidone (PVP K-90/D) was procured from ISP Technologies Inc.
Biodegradable polymers; 50/50 Poly DL lactideco-glycolide, 75/25 Poly L lactide-cocaprolactone, Poly L-lactide and Poly vinyl pyrrolidone were dissolved in HPLC grade dichloromethane (DCM).