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Gold nanoparticles

5 nm diameter, methyl terminated, PEG 2000 coated, OD 50, dispersion in H2O

Synonym(e):

Gold nanoparticles OMe terminated, Au NP OMe, Gold Colloid

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About This Item

UNSPSC-Code:
12162002
NACRES:
NA.23

Materialien

PEG 2000

Qualitätsniveau

100

Form

dispersion in H2O
nanoparticles

Verpackung

poly bottle of 1 mL

OD

50

Durchmesser

5 nm

pH-Wert

6.0-8.0 (25 °C)

Löslichkeit

water: miscible

Dichte

1.00 g/cm3

Funktionelle Gruppe

methoxy

Lagertemp.

2-8°C

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Allgemeine Beschreibung

Gold nanoparticles (AuNPs) ranging from 2-200nm in diameter find applications in diverse fields.They show excellent biocompatibility and attractive physicochemical properties. Poly (ethylene) glycol (PEG) surface coatings on gold nanoparticles help in the reduction of protein adsorption, reduce nonspecific interactions with cells and greatly improve the pharmokinetics of these nanoparticles and reduce aggregation of the nanoparticles. PEG layer density depends inversely on the AuNP curvature. Denser coatings are possible on smaller AuNPs. The methyl group, being hydrophobic, acts as a protecting shield between the gold nanoparticles and the hydrophilic outer PEG coating and also leads to a further reduction of protein adsorption and macrophage uptake by the AuNPs.†††

Anwendung

Several other specific applications have been listed below:
  • Since they adhere to cell membranes, AuNPs may find use in cellular and intracellular targeting in targeted drug delivery applications and may also be used in biodistribution studies.
  • AuNPs may also be used in photothermal therapy and radiotherapy.
  • AuNPs ranging from 10 to 250 nm, were studied to have been absorbed primarily by liver and spleen , when injected intravenously in rats.Whereas, 10 nm nanoparticles were distributed more broadly into various organs.
Functionalized Particles have been extensively used to study cellular uptake of nanoparticles and targeted drug delivery.

Leistungsmerkmale und Vorteile

The PEG coating decreases the cytotoxicity and increases efficiency of GNPs in targeted drug delivery. PEG increases the stability of the nanoparticles and prevents agglomeration. Forms complexes easily with dyes and thiol ligands.

Lagerklassenschlüssel

12 - Non Combustible Liquids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCQ5303
MKCD4267
MKBN9293V
MKBL7648V

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Die Dokumentenbibliothek aufrufen

Functionalized gold nanoparticles and their biomedical applications
Tiwari, P. M., Vig, K., Dennis, V. A., & Singh, S. R.
Nanomaterials, 1(1), 31-632011 null
Size-dependent in vivo toxicity of PEG-coated gold nanoparticles
Zhang, X. D., Wu, D., Shen, X., Liu, P. X., Yang, N., Zhao, B., & Fan, F. Y.
International journal of nanomedicine, 6, 2071j-2071j (2011)
Timothy A Larson et al.
ACS nano, 6(10), 9182-9190 (2012-09-27)
Polyethylene glycol (PEG) surface coatings are widely used to render stealth properties to nanoparticles in biological applications. There is abundant literature on the benefits of PEG coatings and their ability to reduce protein adsorption, to diminish nonspecific interactions with cells

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