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747556

Sigma-Aldrich

Gold nanoparticles

5 nm diameter, silica coated, OD 1, dispersion in H2O

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别名:
Gold Colloid, Gold/Silica core/shell particles
NACRES:
NA.23

物料

silica

形式

dispersion
nanoparticles

浓度

~6.6E+13 particles/mL

OD

1

直径

5 nm

密度

0.99345 g/mL at 25 °C

储存温度

2-8°C

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应用

Our silica coated gold nanoparticles are highly stable and suitable for applications including: Sensing/Detection1, Biological Targeting2, and enhanced photoacoustics upon aggregation3. Silica coating has also been shown to enhance gold uptake in cells4.

储存分类代码

12 - Non Combustible Liquids

WGK

nwg

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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Bayer; Carolyn L.;
Journal of Biomedical Optics, 18(1), 016001/1-016001/5 (2013)
Jesse V Jokerst et al.
ACS nano, 6(7), 5920-5930 (2012-06-12)
Improved imaging modalities are critically needed for optimizing stem cell therapy. Techniques with real-time content to guide and quantitate cell implantation are especially important in applications such as musculoskeletal regenerative medicine. Here, we report the use of silica-coated gold nanorods
Bin Kang et al.
Journal of the American Chemical Society, 132(5), 1517-1519 (2010-01-21)
By properly conjugating gold nanoparticles with specific peptides, we were successful in selectively transporting them to the nuclei of cancer cells. Confocal microscopy images of DNA double-strand breaks showed that localization of gold nanoparticles at the nucleus of a cancer
Fan Xia et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(24), 10837-10841 (2010-06-11)
We have demonstrated a novel sensing strategy employing single-stranded probe DNA, unmodified gold nanoparticles, and a positively charged, water-soluble conjugated polyelectrolyte to detect a broad range of targets including nucleic acid (DNA) sequences, proteins, small molecules, and inorganic ions. This

商品

In the past few decades, research and commercial use of gold nanoparticles has rapidly expanded into fields extending from biomedical engineering to photovoltaics. Most applications take advantage of the excellent optical properties of gold nanoparticles, which can be fine-tuned by varying their shape and size.

Graphene is a unique two-dimensional (2D) structure of monolayer carbon atoms packed into a dense honeycomb crystal that has attracted great interest due to its diverse and fascinating properties.

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