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Cited by 258

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Functionalized Amphiphilic Hyperbranched Polymers for Targeted Drug Delivery

Chen, Si, Zhang, Xian-Zheng, Cheng, Si-Xue, Zhuo, Ren-Xi, Gu, Zhong-Wei·2008·Biomacromolecules

Abstract

Amphiphilic hyperbranched core-shell polymers with folate moieties as the targeting groups were synthesized and characterized. The core of the amphiphilic polymers was hyperbranched aliphatic polyester Boltorn H40. The inner part and the outer shell of the amphiphilic polymers were composed of hydrophobic poly(epsilon-caprolactone) segments and hydrophilic poly(ethylene glycol) (PEG) segments, respectively. To achieve tumor cell targeting property, folic acid was further incorporated to the surface of the amphiphilic polymers via a coupling reaction between the hydroxyl group of the PEG segment and the carboxyl group of folic acid. The polymers were characterized by (1)H NMR, (13)C NMR, and combined size-exclusion chromatography and multiangle laser light scattering analysis. The nanoparticles of the amphiphilic polymers prepared by dialysis method were characterized by transmission electron microscopy and particle size analysis. Two antineoplastic drugs, 5-fluorouracil and paclitaxel, were encapsulated into the nanoparticles. The drug release property and the targeting of the drug-loaded nanoparticles to different cells were evaluated in vitro. The results showed the drug-loaded nanoparticles exhibited enhanced cell inhibition because folate targeting increased the cytotoxicity of drug-loaded nanoparticles against folate receptor expressing tumor cells.

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Metadata

Authors
Chen, S., Zhang, X.-Z., Cheng, S.-X., Zhuo, R.-X., & Gu, Z.-W.
Venue
Biomacromolecules
Published
2008-07-30
Volume
9
Issue
10
Pages
2578-2585
ISSN
  • 1525-7797 (ISSN-L)
  • 1526-4602
OpenAlex
W2016502802
Cited by
258
References
1
FWCI
19.27
Type
journal article
Language
en
Open access
closed

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