Document Detail


Glucose-responsive micelles from self-assembly of poly(ethylene glycol)-b-poly(acrylic acid-co-acrylamidophenylboronic acid) and the controlled release of insulin.
MedLine Citation:
PMID:  19810675     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Poly(ethylene glycol)-block-poly(acrylic acid-co-acrylamidophenylboronic acid) [PEG(114)-b-(PAA(63)-co-PAAPBA(107))] was synthesized by the modification of poly(ethylene glycol)-block-poly(acrylic acid) (PEG(114)-b-PAA(170)) with 3-aminophenylboronic acid (APBA). Glucose-responsive PEG(114)-b-(PAA(63)-co-PAAPBA(107)) self-assembled into core-shell micelles with the hydrophobic core composed of PAAPBA and hydrophilic shell composed of PEG in aqueous solution. The swelling and disaggregating behaviors of micelles responding to glucose were investigated by using light scattering in aqueous solution at pH 7.4. Characterization of insulin-loaded micelles and their drug release in solutions with various glucose concentrations were further studied. The results demonstrated that the drug release rate can be controlled by variation of glucose concentration.
Authors:
Beilei Wang; Rujiang Ma; Gan Liu; Yan Li; Xiaojun Liu; Yingli An; Linqi Shi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  25     ISSN:  1520-5827     ISO Abbreviation:  Langmuir     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-10-27     Completed Date:  2009-12-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  United States    
Other Details:
Languages:  eng     Pagination:  12522-8     Citation Subset:  -    
Affiliation:
Key Laboratory of Functional Polymer Materials, Ministry of Education, and Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China.
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