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Documenti fondamentali

926248

Sigma-Aldrich

Redox Responsive Poly(ethylene glycol)-block-poly(lactide-alt-glycolide)

PEG average Mn 5000, PLGA Mn 15000

Sinonimo/i:

Drug release, PEG-PLGA with disulfide linkage, PEG-SS-PLGA, Stimuli-responsive

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About This Item

Formula condensata:
CH3O(C2H4O)nC7H12O4S2(C5H6O4)m
Codice UNSPSC:
12352112
NACRES:
NA.23

Stato

powder, chunks or granules

Livello qualitativo

PM

PEG average Mn 5000
PLGA Mn 15000

Temperatura di conservazione

2-8°C

Stringa SMILE

O=C(C(C)OC(CO[H])=O)OCCSSCCOC(OCCOCCOC)=O

InChI

1S/C15H26O10S2/c1-12(25-13(17)11-16)14(18)22-7-9-26-27-10-8-24-15(19)23-6-5-21-4-3-20-2/h12,16H,3-11H2,1-2H3
DPMVWUUTGXWXPV-UHFFFAOYSA-N

Applicazioni

PEG-SS-PLGA is a redox responsive, biocompatible, amphiphilic block copolymer composed of a hydrophilic PEG block and a hydrophobic poly(lactide-alternative-glycolide) (PLGA) block, with a reducible disulfide linkage between blocks. This polymer can be fabricated into Glutathione (GSH) responsive nanoparticles which can be used as an intracellular drug delivery system.

Different from common Poly(lactide-co-glycolide) (PLGA) polymer, the lactic and glycolic units in Poly(lactide-alt-glycolide) block alternate in sequence in the polymer chain, and the molar ratio of lactic to glycolic units in the polymer is exactly 1:1.

Poly(lactide-alt-glycolide) exhibits excellent solubility in common organic solvents, such as acetonitrile, acetone, dioxane, DCM, and THF, providing great convenience for drug delivery researches and applications.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Lin Yu et al.
Biomacromolecules, 12(4), 1290-1297 (2011-03-03)
This paper reports the influence of sequence structures of block copolymers composed of poly(lactic acid-co-glycolic acid) (PLGA) and poly(ethylene glycol) (PEG) on their thermogelling aqueous behaviors. A series of thermogelling PLGA-PEG-PLGA triblock copolymers with similar chemical compositions and block lengths

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