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765260 Sigma-Aldrich

Gold nanoparticles

5 nm diameter, amine functionalized, PEG 3000 coated, OD 50, dispersion in H2O

Synonym: Au NP NH2, Gold Colloid, Gold nanoparticles NH2 functionalized

  •  NACRES NA.23

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Properties

Related Categories Bioelectronics, Biosensing and Bioimaging, Functionalized Gold Nanoparticles, Gold Nanoparticles, Materials Science,
material   PEG 3000
form   dispersion in H2O
  nanoparticles
packaging   glass bottle of 1 mL
OD   50
diameter   5 nm
pH   6.0-8.0 (25 °C)
solubility   water: miscible
density   1.00 g/cm3
λmax   515 nm
functional group   amine
storage temp.   2-8°C

Description

Application

Amine functionalized, PEG 3000 coated, OD 50, and H2O dispersed gold nanoparticles (5 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.

Packaging

1 mL in glass bottle

Features and Benefits

• Negatively charged siRNA-PEG complex which is attached to positively charged GNPs is easily cleavable in reductive cytosolic environment thus enabling the release of siRNA into cytosol.
• Decreases the cytotoxicity and increases efficiency of GNPs. PEG increases the stability of the nanoparticles and prevents agglomeration.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Increasing the Sensitivity of Lateral Flow Diagnostic Assays with Ultra-Bright Gold Nanoshell Reporters

Lateral flow assays (also known as immunochromatographic assays) detect or quantify biomolecules in complex samples including blood, urine, saliva, or other fluids to diagnose a variety of medical co...
Keywords: Absorption, Adsorption, Bacterial conjugations, Centrifugation, Deposition, Detergents, Diagnostic, Filtration, Flow cytometry, Hormones, Hydration reaction, Immobilization, Ligands, Microscopy, Raman spectroscopy, Scanning electron microscopy, Spectroscopy, Transmission electron microscopy

Magnetic Nanoparticles for Cancer Theranostics

Saumya Nigam,1 Lina Pradhan,2 and D. Bahadur*3 1IITB-Monash Research Academy, IIT Bombay, Powai, Mumbai, India 2Centre for Research in Nanotechnology & Science IIT Bombay, Powai, Mumbai, India 3Depar...
Keywords: Apoptosis, Bacterial conjugations, Cancer, Diagnostic, Magnetic resonance imaging, Materials Science, Nanomaterials, Nanotechnology, Reductions

Micro- and Nanofabricated Biomaterials for the Study of Cells and Microtissues

Phin Peng Lee, Karen E. Samy, Miquella G. Chavez, Alec Cerchiari, Tejal A. Desai* Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, CA 9415...
Keywords: Absorption, Adhesion, Amplification, Apoptosis, Biomaterials, Cancer, Cell culture, Cell proliferation, Diffusion, Immobilization, Indicators, Infrared spectroscopy, Ligands, Magnetic resonance imaging, Materials Science, Microscopy, Molecular biology, Nanotechnology, Semiconductor, Solvents

Peer-Reviewed Papers
15

References

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