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Aromatic section of 13C-NMR spectrum of nanocarrier components redissolved in deuterated DMSO following iodination reaction and purification. Iodination causes an upfield shift of the carbon ortho to phenol from 115 to 84 ppm. Di-iodination of polyvinyl phenol core is evident from the downfield shift of the iodinated peak to 87 ppm.
