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795380

Sigma-Aldrich

Gold nano-urchins

50 nm avg. part. size, in 0.1 mM PBS

Synonym(s):

Gold nanoparticles, Non-functionalized gold nanoparticles

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About This Item

UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

100

description

Molar Concentration: 5.83E-11 M
Particle Volume: 6.54E04 nm3
Particles:∼3.51E+10/mL
Surface area: 7.85E03 nm2

Assay

>95% (reactant free)

form

liquid
nanourchin

avg. part. size

50 nm

pH

6-7

λmax

585 nm

storage temp.

2-8°C

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Application

Gold nanoparticles are extensively used in biomedical research due to their biocompatibility, facile conjugation to biomolecules and unique optical properties arising from surface plasmon resonance. The presence of spiked nanoantenna-type shapes in NanoUrchins enhances the plasmonic extinction resonance effect which improves the optical limiting effects

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

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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Jacob W Ciszek et al.
ACS nano, 4(1), 259-266 (2010-01-01)
The assembly mechanism by which hundreds of thousands of two-segment gold-polypyrrole nanorods are assembled into kinetically controlled shape-directed superstructures is examined to predict the range of nanoparticle sizes and materials that can be utilized in their formation. Four processes are
Eliza Hutter et al.
Microscopy research and technique, 74(7), 592-604 (2010-09-11)
Nanoparticles are the latest tool acquired by the science of bioimaging, serving primarily as new contrast agents, sensors, or signal enhancing agents in established and developing imaging techniques. This review focuses on the unique properties of two classes of nanoparticles:
Xiansong Wang et al.
Nanoscale, 4(24), 7766-7772 (2012-11-10)
The hierarchically assembled Au microspheres/sea urchin-like structures have been synthesized in aqueous solution at room temperature with and without proteins (bovine serum albumin, BSA) as mediators. The average diameter of an individual Au microsphere is 300-600 nm, which is composed

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