765473
Gold nanoparticles
15 nm diameter, carboxylic acid functionalized, PEG 3000 coated, OD 50, dispersion in H2O
Synonym(s):
Gold nanoparticles COOH functionalized, Au NP COOH, Gold Colloid
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About This Item
UNSPSC Code:
12162002
NACRES:
NA.23
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material
PEG 3000
Quality Level
form
dispersion in H2O
nanoparticles
packaging
glass bottle of 1 mL
OD
50
diameter
15 nm
pH
6.0-8.0 (25 °C)
bp
100 °C (lit.)
solubility
water: miscible
density
1.00 g/cm3
λmax
520 nm
functional group
carboxylic acid
storage temp.
2-8°C
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General description
Carboxylic acid functionalized GNPs form conjugates with various protein molecules due to the electrostatic attraction between negatively charged carboxylate groups and positively charged amino groups of protein.
Application
The carboxylic acid group binds with various proteins and is used in targeted drug delivery and gene therapy.
Functionalized Particles have been extensively used to study cellular uptake of nanoparticles and targeted drug delivery.
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Nishima Wangoo et al.
Journal of colloid and interface science, 323(2), 247-254 (2008-05-20)
We report a novel strategy for the synthesis of aqueous stable, carboxylated gold nanoparticles (GNPs) by using glutamic acid as the reducing agent. The ratio of chloroaurate ions, AuCl(-)(4) to glutamic acid was optimized in the reaction medium to obtain
Functionalized gold nanoparticles and their biomedical applications
Tiwari, P. M., Vig, K., Dennis, V. A., & Singh, S. R.
Nanomaterials, 1(1), 31-63 (2011)
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