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Adv Drug Deliv Rev. 2002 Feb 21;54(2):169-90.

Poly(ethylene oxide)-block-poly(L-amino acid) micelles for drug delivery.

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  • 1Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta T6G 2N8, Canada.

Abstract

Block copolymer micelles encapsulate water insoluble drugs by chemical and physical means, and they may target therapeutics to their site of action in a passive or active way. In this review, we focus on micelles self-assembled from poly(ethylene oxide)-block-poly(L-amino acid) (PEO-b-PLAA). A common theme in these studies is the chemical modification of the core-forming PLAA block used to adjust and optimize the properties of PEO-b-PLAA micelles for drug delivery. Micelle-forming block copolymer-drug conjugates, micellar nanocontainers and polyion complex micelles have been obtained that mimic functional aspects of biological carriers, namely, lipoproteins and viruses. PEO-b-PLAA micelles may be advantageous in terms of safety, stability, and scale-up.

PMID:
11897144
[PubMed - indexed for MEDLINE]
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