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  • Title: Synthesis and evaluation of water-soluble polymeric bone-targeted drug delivery systems.
    Author: Wang D, Miller S, Sima M, Kopecková P, Kopecek J.
    Journal: Bioconjug Chem; 2003; 14(5):853-9. PubMed ID: 13129387.
    Abstract:
    Four polymeric bone-targeting conjugates were synthesized based on poly(ethylene glycol) (PEG, two conjugates) and poly[N-(2-hydroxypropyl)methacrylamide] (PHPMA, two conjugates). The well-known bone-targeting compounds, alendronate and aspartic acid peptide, were used as bone-targeting moieties. Fluorescein isothiocyanate (FITC) was attached to the conjugates as a model drug for detection purposes. The bone-targeting potential of these conjugates was tested in vitro with hydroxyapatite (HA) and in mice. The data obtained indicated that these novel delivery systems could specifically accumulate in the bone tissue.
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