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Documenti fondamentali

901776

Sigma-Aldrich

Poly(OEGMA)

hydrazide functionalized, 25 wt% solution in water

Sinonimo/i:

PEGMA, POEGMA

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About This Item

Formula condensata:
[CH2CCH3(COO(CH2CH2O)8CH3)]m[CH2CHCONHNHCO(CH2)4CONHNH2]p
Codice UNSPSC:
12162002
NACRES:
NA.23

Stato

solution

PM

~20,000 g/mol

Colore

clear colorless to pale yellow

Gruppo funzionale

hydrazide

Temperatura di conservazione

2-8°C

Descrizione generale

Poly(oligoethylene glycol methacrylate) (POEGMA), is a comb-shaped, graft copolymer consisting of hydrophilic oligomer PEG chains grafted to a hydrophobic polymethacrylate backbone. POEGMA has been suggested as a viable alternative to poly (ethylene glycol) (PEG) in biological and biomaterial applications. POEGMA has been reported to improve pharmacokinetic properties of protein and peptide conjugates, enhance the stability and gene silencing efficiency of siRNAs, as an anti-fouling surface for biosensors, and eliminate PEG antigenicity. In addition to use in biomolecule-polymer conjugates, PEOGMA has also seen wide spread use in tissue engineering applications, such as hydrogel synthesis. Hydrazide-functionalized POEGMA can be readily used with the corresponding aldehyde-functionalized POEGMA for rapid gelation via reversible hydrazone bond formation. Due to the reversibility of the bond formation and the low viscosity of the precursors, resulting hydrogels can be used as injectable tissue engineering matrices, local drug delivery vehicles for small molecules, or as joint lubricants. In addition, the physical properties of the resulting hydrogels, such as LCST, gelation rates, swelling kinetics, degradation kinetics, and mechanical properties, can all be readily controlled by solution concentration and the ratios of each solution.

Nota sulla preparazione

This product is provided as a 25 wt% solution in water, ready to be diluted for your specific application. Please see the technical bulletin on the product page for dilution and hydrogel preparation instructions.

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Reactive electro spinning of degradable poly(oligoethylene glycol methacrylate)-based nanofibrous hydrogel networks.
Xu F, et al.
Chemical Communications (Cambridge, England), 52, 1451-1454 (2016)
?Off-the-shelf? thermoresponsive hydrogel design: tuning hydrogel properties by mixing precursor polymers with different lower-critical solution temperatures.
Bakaic E, et al.
Royal Society of Chemistry Advances, 5, 33364-33376 (2015)
A. brush-polymer/exendin-4 conjugate reduces blood glucose levels for up to five days and eliminates poly(ethylene glycol) antigenicity.
Qi Y, et al.
Nmr in Biomedicine, 1, 0002-0002 (2016)
A brush-polymer/exendin-4 conjugate reduces blood glucose levels for up to five days and eliminates poly(ethylene glycol) antigenicity.
Qi Y, et al.
Nature Biomedical Engineering, 1, 2-2 (2016)
Imran Ozer et al.
Biomacromolecules, 18(9), 2699-2710 (2017-08-05)
PEGylation, covalent attachment of PEG to therapeutic biomolecules, in which suboptimal pharmacokinetic profiles limiting their therapeutic utility are of concern, is a widely applied technology. However, this technology has been challenged by reduced bioactivity of biomolecules upon PEGylation and immunogenicity

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