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81300

Sigma-Aldrich

Poli(etilenglicole)

average MN 20,000, hydroxyl

Sinonimo/i:

PEG

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About This Item

Formula condensata:
H(OCH2CH2)nOH
Numero CAS:
Numero MDL:
Codice UNSPSC:
12352104
ID PubChem:
NACRES:
NA.23

product name

Poli(etilenglicole), average Mn 20,000

Forma fisica

flakes

PM

average Mn 20,000

Punto di fusione

63-66 °C

Estremità Ω

hydroxyl

Estremità α

hydroxyl

Stringa SMILE

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Descrizione generale

Polyethylene glycol (PEG) is a hydrophilic polymer. It can be easily synthesized by the anionic ring opening polymerization of ethylene oxide, into a range molecular weights and variety of end groups. When crosslinked into networks PEG can have high water content, forming “hydrogels”. Hydrogel formation can be initiated by either crosslinking PEG by ionizing radiation or by covalent crosslinking of PEG macromers with reactive chain ends. PEG is a suitable material for biological applications because it does not trigger an immune response.

Applicazioni

PEG has been used to modify therapeutic proteins and peptides to increase their solubility and lower their toxicity.

Photopolymerized PEG hydrogels have emerging applications in the fabrication of bioactive and immunoisolating barriers for encapsulation of cells.

Altre note

Molecular weight: Mn 16,000-24,000

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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Articoli

Progress in biotechnology fields such as tissue engineering and drug delivery is accompanied by an increasing demand for diverse functional biomaterials. One class of biomaterials that has been the subject of intense research interest is hydrogels, because they closely mimic the natural environment of cells, both chemically and physically and therefore can be used as support to grow cells. This article specifically discusses poly(ethylene glycol) (PEG) hydrogels, which are good for biological applications because they do not generally elicit an immune response. PEGs offer a readily available, easy to modify polymer for widespread use in hydrogel fabrication, including 2D and 3D scaffold for tissue culture. The degradable linkages also enable a variety of applications for release of therapeutic agents.

Devising biomaterial scaffolds that are capable of recapitulating critical aspects of the complex extracellular nature of living tissues in a threedimensional (3D) fashion is a challenging requirement in the field of tissue engineering and regenerative medicine.

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