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408700

Sigma-Aldrich

Poly(ethyleneimine) solution

average Mw 1800, 50 wt. % in H2O

Sinonimo/i:

Ethyleneimine polymer solution, PEI

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About This Item

Numero CAS:
9002-98-6
Numero MDL:
MFCD00084427
Codice UNSPSC:
12162002
ID PubChem:
24865590
NACRES:
NA.23

Forma fisica

liquid

Livello qualitativo

200

PM

average Mw 1800

Concentrazione

50 wt. % in H2O

Indice di rifrazione

n20/D 1.453

Densità

1.08 g/mL at 25 °C

InChI

1S/C2H8N2.C2H5N/c3-1-2-4;1-2-3-1/h1-4H2;3H,1-2H2
SFLOAOINZSFFAE-UHFFFAOYSA-N

Descrizione generale

Poly(ethyleneimine) (PEI) is a positivelycharged polymeric amine with a linear or branched structure. It has chelating properties with a variety of metal ions. It is highlysoluble in water and behaves as an effective base in aqueous solutions. Due toits superior physicochemical properties, it is widely used in the field ofbiomedicine, water purification, bioimaging, gene delivery, and self-healingmaterials.

Applicazioni

Poly(ethyleneimine) solution can be used for surface modification of cation exchange resins. The modified resins exhibited improved selectivity towards transition elements. Due to repulsion effects within the cationic layer, the selectivity for alkaline ions decreases. As a result, this resin can be applied to purify industrial waste by column sorption.

It can be used as a precursor to prepare polyelectrolyte multilayers for the promotion of cell adhesion and growth on implant surfaces.

PEI can act as a reactive template and stabilizing agent in the preparation of metal nanoparticles in aqueous media. The amino groups in the PEI can coordinate with metal ions dissolved in water and reduce their aggregation capability. This results in the formation of smaller nanoparticles.

Caratteristiche e vantaggi

  • It has repetitive structural units and aflexible polymer chain.
  • Due to the accessibility of a huge number ofamino groups on PEI, it can be modified or functionalized for specific featuressuch as sensitivity, specificity, and biocompatibility.
  • Highwater solubility.

Stato fisico

Branched polymer

Pittogrammi

Exclamation markEnvironment
GHS07,GHS09

Avvertenze

Warning

Indicazioni di pericolo

H317,H411

Classi di pericolo

Aquatic Chronic 2 - Skin Sens. 1

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Certificati d'analisi (COA)

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Jonathon M Muncie et al.
Developmental cell, 55(6), 679-694 (2020-11-19)
Embryogenesis is directed by morphogens that induce differentiation within a defined tissue geometry. Tissue organization is mediated by cell-cell and cell-extracellular matrix (ECM) adhesions and is modulated by cell tension and tissue-level forces. Whether cell tension regulates development by modifying
Diana F Silva et al.
Journal of neuroinflammation, 17(1), 332-332 (2020-11-07)
After decades of research recognizing it as a complex multifactorial disorder, sporadic Alzheimer's disease (sAD) still has no known etiology. Adding to the myriad of different pathways involved, bacterial neurotoxins are assuming greater importance in the etiology and/or progression of
Laura R H Ip et al.
Oncotarget, 6(12), 10548-10562 (2015-04-15)
Treatment options for ovarian cancer patients remain limited and overall survival is less than 50% despite recent clinical advances. The lipid phosphatase inositol polyphosphate 4-phosphatase type II (INPP4B) has been described as a tumor suppressor in the PI3K/Akt pathway with

Articoli

Functionalized PEI and Its Role in Gene Therapy

Gene therapy has become one of the most discussed techniques in biomedical research in recent years.

Polyelectrolyte Multilayer Films and Membrane Functionalization

We present an article that discusses two applications in particular; first, using these layers as polyelectrolyte membranes to control permeability.

Microfluidics for Nanoencapsulation of Nucleic Acids

Microfluidic assembly improves polyamine nanoencapsulation of nucleic acids, overcoming challenges like polydispersity and poor reproducibility.

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

Contatta l'Assistenza Tecnica.