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Key Documents

797952

Sigma-Aldrich

Ultrastable fluorescent silica nanobeads

50 nm, lyophilized

Synonym(s):

Fluorescent Silica, Fluorescent Silica nanopowder, Silica nanobeads

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About This Item

Linear Formula:
SiO2
Molecular Weight:
60.08
UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

100

form

powder

particle size

50 nm

fluorescence

λem 590 nm

UV absorption

λ: 570 nm Amax

storage temp.

2-8°C

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Application

The use of labeling or staining agents has greatly assisted the study of complex biological interactions in biology and the fluorescent labeling of biomolecules has been demonstrated as an indispensable tool in many biological studies. By virtue of excellent fluorescence properties the silica nanobeads find application in biological labeling, bioimaging, biosensing etc. Ultrastable particles exhibit a very high resistance to photobleaching and can be used in single-particle imaging as well as in super resolution techniques such as stimulated emission depletion (STED) microscopy.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP7190
MKCP0048
MKCN6559
MKCK9945
MKCH7670

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Luminescent nanomaterials for biological labelling
F. Wang, W. B. Tan, Y. Zhang, et al.
Nanotechnology, 17(1), R1-R13 (2006)
Geometrical confinement of quantum dots in porous nanobeads with ultraefficient fluorescence for cell-specific targeting and bioimaging
P-J Chen, S-H Hu, W-T Hung, S-Y Chen, and D-M Liu,
Journal of Materials Chemistry, 22(19), 9568-9575 (2012)

Articles

Fluorescent Silica Nanobeads

Find properties and applications of fluorescent silica nanobeads in basic and applied research.

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

Biomaterials science involves the design and fabrication of smart materials for studying, directing, or mimicking biology. For successful integration of biomaterials in biological research, a meaningful understanding of biological systems is required.

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