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900660

Sigma-Aldrich

Poly(D,L-lactide)-b-poly(ethylene glycol)-b-poly(D,L-lactide)

5k-2k-5k

Synonym(s):

PLA-PEG-PLA, PLA-PEG-PLA triblock copolymer

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About This Item

Linear Formula:
HO(CH(CH3)COO)m(CH2CH2O)n(COCH(CH3)O)mH
UNSPSC Code:
12162002

form

solid

storage temp.

2-8°C

Application

Biocompatible, amphiphilic triblock polymer composed of a hydrophilic, central PEG block and two terminal hydrophobic poly(D,L-lactide) (PLA) blocks. These materials have been used in controlled release formulation and nanoparticle formation for drug delivery applications. Well-defined materials with varying properties can be prepared by controlling the relative length of each polymer block. Hydroxyl termination allows for facile further chemical modification of these materials.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Mesoscale simulation and experimental studies of self-assembly behavior of a PLA-PEG-PLA triblock copolymer micelle for sustained drug delivery.
Chansuna M, et al.
Journal of Polymer Research, 21(6), 452-452 (2014)
H Danafar et al.
Pharmaceutical development and technology, 22(8), 947-957 (2016-01-08)
A conjugate of the antihypertensive drug, lisinopril, with triblock poly(lactic acid)-poly(ethylene glycol)-poly(lactic acid) (PLA-PEG-PLA) copolymer was synthesized by the reaction of PLA-PEG-PLA copolymer with lisinopril in the presence of dicyclohexylcarbodiimide and dimethylaminopyridine. The conjugated copolymer was characterized in vitro by
Kun Shi et al.
Scientific reports, 6, 19077-19077 (2016-01-12)
In this study, a series of injectable thermoreversible and thermogelling PDLLA-PEG-PDLLA copolymers were developed and a systematic evaluation of the thermogelling system both in vitro and in vivo was performed. The aqueous PDLLA-PEG-PDLLA solutions above a critical gel concentration could

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