Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/74931
Title: Self-aggregation and thermo-responsive properties of biodegradable poly(ethylene glycol)-poly(L-lactide) amphiphilic diblock copolymers
Authors: Jongpaiboonkit, L.
Zhou, Z.
Ni, X.
Li, J. 
Issue Date: 2004
Citation: Jongpaiboonkit, L.,Zhou, Z.,Ni, X.,Li, J. (2004). Self-aggregation and thermo-responsive properties of biodegradable poly(ethylene glycol)-poly(L-lactide) amphiphilic diblock copolymers. Transactions - 7th World Biomaterials Congress : 1034-. ScholarBank@NUS Repository.
Abstract: The self-aggregation properties such as micelle formation, size and shape of the micelle in aqueous environment and the thermal properties of poly(ethylene glycol) (PEG) and poly(L-lactide) (PLLA) micelles at different chain length of the hydrophobic PLLA block were investigated. The relationship of the chemical structure with the self-aggregation properties of these copolymers was also discussed. The dye absorption technique by means of fluorescence spectrophotometry using pyrene as a probe was used to observe critical micelle concentration (CMC) and micelle thermo-responsive for PEG-PLLA copolymer. The results show that an increase in molecular weight of the hydrophobic block decreases the CMC.
Source Title: Transactions - 7th World Biomaterials Congress
URI: http://scholarbank.nus.edu.sg/handle/10635/74931
ISBN: 1877040193
Appears in Collections:Staff Publications

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