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412449

Sigma-Aldrich

PAMAM dendrimer, ethylenediamine core, generation 4.0 solution

10 wt. % in methanol

Synonym(s):

Starburst Generation 4

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About This Item

Linear Formula:
[NH2(CH2)2NH2]:(G=4);dendri PAMAM(NH2)64
CAS Number:
163442-67-9
Molecular Weight:
14214.17
MDL number:
MFCD00197936
UNSPSC Code:
12162002
NACRES:
NA.23

description

amino surface groups

form

solution

mol wt

generation 4.0

feature

core type ethylenediamine core (2-carbon core)

concentration

10 wt. % in methanol

no. Surface Groups

64

refractive index

n20/D 1.348

bp

64.7 °C

density

0.813 g/mL at 25 °C

storage temp.

2-8°C

General description

PAMAM dendrimer, ethylenediamine core, generation 4.0 solution is a poly(amidoamine) that is categorized as a class of dendritic polymers which can be prepared by a two-step interactive reaction that forms generations around the central ethylenediamine core. It consists of nitrogen and amide as functional groups that are structured in regular “branched upon branched” pattern. It is majorly used as a high capacity chelating agent.

Application

PAMAM dendrimer, ethylenediamine core, generation 4.0 solution is used as a compacting agent to bring in the conformational changes in the DNA molecule. It can be attached on the cellulose substrate that acts as a biofunctional surface for potential applications in immonoassays. It is used in MRI contrast agents and in the condensation formation of silica nanospheres.

Physical form

Contains 64 surface primary amino groups

Legal Information

Manufactured by Dendritech®, Inc.
Dendritech is a registered trademark of Dendritech, Inc.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

target_organs

Eyes

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

51.8 °F - closed cup

flash_point_c

11 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP8537
MKCM9641
MKCL8589
MKCL0306
MKCJ8572

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Dendrimer enhanced ultrafiltration. 1. Recovery of Cu (II) from aqueous solutions using PAMAM dendrimers with ethylene diamine core and terminal NH2 groups
Diallo MS, et al.
Environmental Science & Technology, 39(5), 1366-1377 (2005)
Rolando Alberto Rodríguez-Fonseca et al.
Colloids and surfaces. B, Biointerfaces, 177, 77-93 (2019-02-04)
Peptide epitopes have been widely used to develop synthetic vaccines and immunotherapies. However, peptide epitopes may exhibit poor absorption or immunogenicity due to their low molecular weights. Conversely, fourth-generation polyamidoamine (G4-PAMAM) dendrimers are nonimmunogenic and relatively nontoxic synthetic nanoparticles that
DNA compaction induced by a cationic polymer or surfactant impact gene expression and DNA degradation
Ainalem M, et al.
PLoS ONE, 9(3), e92692-e92692 (2014)
Kobayashi, H., et al.
Magn. Reson. in Med., 50, 758-758 (2003)
Felipe Vidal et al.
Molecular pharmaceutics, 13(10), 3395-3403 (2016-08-25)
Polyamidoamine (PAMAM) dendrimers are hyperbranched macromolecules which have been described as one of the most promising drug nanocarrier systems. A key process to understand is their cellular internalization mechanism because of its direct influence on their intracellular distribution, association with
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