Facile synthesis of drug-conjugated PHPMA core-crosslinked star polymers
Literature Information
Publication Date
2015-05-13
DOI
10.1039/C5PY00497G
Impact Factor
5.582
Authors
Bryan S. Tucker, Stephen G. Getchell, Megan R. Hill, Brent S. Sumerlin
View Original
Abstract
Poly(N-(2-hydroxypropyl)methacrylamide) (PHPMA), a biocompatible and non-immunogenic polymer, was used to form core-crosslinked star polymers for potential drug delivery applications. The conditions for the formation of the PHPMA stars were studied by varying the molecular weight of the PHPMA unimers, [crosslinker] : [unimer] ratios, and solvent. The optimized conditions were then used to form drug-loaded PHPMA star polymers by directly copolymerizing an HPMA-modified anticancer drug, methotrexate, during the crosslinking reaction of PHPMA unimers. The incorporation of the drug was confirmed by 1H NMR spectroscopy, and UV-visible spectroscopy was used to determine a drug loading of 20 wt%. Our initial drug release studies showed that the addition of an esterase induced drug release.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
6-Bromo-3,4-dihydro-2H-1,4-benzoxazine hydrochloride (1:1)
CAS Number:
1260803-10-8
Molecular Formula:
C8H9BrClNO
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