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765406

Sigma-Aldrich

Gold nanoparticles

50 nm diameter, amine functionalized, PEG 3000 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

material

PEG 3000

form

dispersion in H2O
nanoparticles

packaging

glass bottle of 1 mL

OD

50

diameter

50 nm

pH

6.0-8.0 (25 °C)

solubility

water: miscible

density

1.00 g/cm3

λmax

535 nm

functional group

amine

storage temp.

2-8°C

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Application

Amine functionalized, PEG 3000 coated, OD 50, H2O dispersed gold nanoparticles (50 nm) can be used in the activation of silica nanosphere for the decomposition of formic acid. They may be used in the radiosensitization and imaging of cancer cells.
AuNPs can be potentially immobilized on antibodies to improve the sensitivity of optical fiber sensors for the screening of COVID-19. They can also be deposited on the titanium electrode for the formation of a miniaturized device for the electrochemical detection of DNA hybridization, which can be used in the diagnosis of COVID-19.
Functionalized particles have been extensively used to study cellular uptake of nanoparticles and targeted drug delivery.

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gold nanoparticles for radiosensitizing and imaging of cancer cells
Borran AA, et al.
Radiation Physics and Chemistry, 152(25), 137-144 (2018)
Strong metal-molecular support interaction (SMMSI): amine-functionalized gold nanoparticles encapsulated in silica nanospheres highly active for catalytic decomposition of formic acid
Yadav M, et al.
Journal of Materials Chemistry, 22(25), 12582-12586 (2012)
Optical Fiber Sensors for Rapid Screening of COVID-19
Nag P, et al.
Transactions of the Indian National Academy of Engineering, 152(25), 1-4 (2020)
Scott H Brewer et al.
Langmuir : the ACS journal of surfaces and colloids, 21(20), 9303-9307 (2005-09-21)
The interaction of bovine serum albumin (BSA) with gold colloids and surfaces was studied using zeta-potential and quartz crystal microbalance (QCM) measurements, respectively, to determine the surface charge and coverage. The combination of these two measurements suggests that BSA binding
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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