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742023

Sigma-Aldrich

Gold nanoparticles

80 nm diameter, OD 1, stabilized suspension in citrate buffer

Synonym(s):

Au NP, Gold Colloid

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About This Item

MDL number:
MFCD00003436
UNSPSC Code:
12352302
PubChem Substance ID:
329765551
NACRES:
NA.23

form

nanoparticles
suspension

contains

Proprietary Surfactant as stabilizer

concentration

~7.8E+9 particles/mL

OD

1

diameter

80 nm

λmax

550-557 nm

PDI

<0.2

storage temp.

2-8°C

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

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Application

Ideal for adsorption of thiolated ligands such as oligonucleotides and polyethylene glycols. Also, due to the increased stability, these gold nanoparticles are ideal for use in physical and optical applications. Note: This product is not ideal for protein adsorption. For gold nanoparticles suitable for adsorption of proteins and other ligands for conjugate development, please see our gold nanoparticles stabilized in PBS.

This material is highly monodisperse (<12% variability in size and shape), and provides significantly improved surface reactivity. Applications include Surface Enhanced Raman Lables, Sensing/Detection, Biological Targeting, Plasmonics and Electronics.

Legal Information

Product of CytoDiagnostics, Inc.

Storage Class

12 - Non Combustible Liquids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Takayuki Umakoshi et al.
Biochimica et biophysica acta. General subjects, 1864(2), 129325-129325 (2019-03-21)
High-speed atomic force microscopy (HS-AFM) has successfully visualized a variety of protein molecules during their functional activity. However, it cannot visualize small molecules interacting with proteins and even protein molecules when they are encapsulated. Thus, it has been desired to

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