The weight of each individual gold nanoparticle in this product is approximately 1.02E-17 g. For 10nm particles, it is recommended to use a 100 kDa MWCO Centrifugal Filter or a 30 to 100 kDa NMWL Ultrafiltration Disc.
765309
Gold nanoparticles
10 nm diameter, amine functionalized, PEG 5000 coated, OD 50, dispersion in H2O
Synonym(s):
Gold nanoparticles NH2 functionalized, Au NP NH2, Gold Colloid
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About This Item
UNSPSC Code:
12162002
NACRES:
NA.23
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material
PEG 5000
Quality Level
form
dispersion in H2O
nanoparticles
packaging
glass bottle of 1 mL
OD
50
diameter
10 nm
pH
6.0-8.0 (25 °C)
solubility
water: miscible
density
1.00 g/cm3
λmax
520 nm
functional group
amine
storage temp.
2-8°C
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Related Categories
1 of 4
This Item | 765341 | 765384 | 765279 |
|---|---|---|---|
| functional group amine | functional group amine | functional group amine | functional group amine |
| form dispersion in H2O, nanoparticles | form dispersion in H2O, nanoparticles | form dispersion in H2O, nanoparticles | form dispersion in H2O, nanoparticles |
| material PEG 5000 | material PEG 5000 | material PEG 3000 | material PEG 5000 |
| packaging glass bottle of 1 mL | packaging poly bottle of 1 mL | packaging poly bottle of 1 mL | packaging poly bottle of 1 mL |
| OD 50 | OD 50 | OD 50 | OD 50 |
| diameter 10 nm | diameter 20 nm | diameter 40 nm | diameter 5 nm |
General description
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 coating was possible on smaller AuNPs. AuNPs coated with PEG 5000 exhibited highest colloidal stability. Amine functionalized GNPs which have Poly Ethylene Glycol (PEG) as the ligand or carrier molecule forms a conjugate with siRNA and is extremely useful in RNAi technology. Since it adheres to cell membranes, it may find use in cellular and intracellular targeting in targeted drug delivery applications and also used in biodistribution studies.[1][2][3][4]
Application
Functionalized particles have been extensively used to study cellular uptake of nanoparticles and targeted drug delivery.
Several other specific applications have been listed below:
- Since they adhere to cell membranes, AuNPs may be used in cellular and intracellular targeting in targeted drug delivery applications and can also be used in biodistribution studies
- AuNPs may also be used in photothermal therapy and radiotherapy
- Proposed applications of gold nanoparticles are as:drug delivery agents for cancer therapy, coatings, plastics, nanowire, nanofiber, textiles, catalyst applications.
- They may also be used in carrying siRNA which acts against human prostate carcinoma cells by inhibiting a specific cancer gene.[5][4]
Features and Benefits
- A negatively charged siRNA-PEG complex, attached to positively charged GNPs, is easily cleavable in reductive cytosolic environment thus enabling the release of siRNA into cytosol.[5][4]
- The PEG coating decreases the cytotoxicity and increases efficiency of GNPs. PEG increases the stability of the nanoparticles and prevents agglomeration.[1]
Storage Class
12 - Non Combustible Liquids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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