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798169

Sigma-Aldrich

Fluorescent nanodiamond

Nitrogen vacancy ~2.5 ppm NV centers, 70 nm avg. part. size, 1 mg/mL in deionized water

Synonym(s):

Diamond nanopowder, Nanodiamonds

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About This Item

Linear Formula:
C
UNSPSC Code:
12352302
NACRES:
NA.23
Pricing and availability is not currently available.

form

suspension

Quality Level

100

composition

Nitrogen vacancy, ~2.5 ppm NV centers

concentration

1 mg/mL in deionized water

avg. part. size

70 nm

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General description

Fluorescent nanodiamonds (FNDs) can be prepared by subjecting synthetic diamond nanocrystallites to helium ions. FND is biocompatible and its surface can be easily functionalized. It is a very useful tool in bioimaging mainly because the photons emitted from the defect centers of FND upon laser excitation can easily penetrate the tissue. The emission from FNDs is extremely stable.[1] The average size of the FNDs is 70 nm.
In fluorescent nanodiamonds, the nitrogen vacancy centers in the diamond lattice provide the fluorescence; unlike the quantum dots or organic dyes, the color centers in these don′t photobleach or photoblink. These outstanding properties of fluorescent nanodiamonds along with their biocompatibility, large surface area etc. make them promising bioimaging probes.
Product can be functionalized with carboxylic acid, hydroxyl, ketones, ethers, and/or hydrogen.

Application

Potential uses of FNDs are as in vivo nanoprobe for bioimaging, cell labelling and cell tracking.[1][2]

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX2027
MKCW9933
MKCT6667
MKCT0734
MKCQ2973

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Nanodiamonds for optical bioimaging
Y. Y. Hui, C-L Cheng, and H-C Chang
Journal of Physics D: Applied Physics, 43(37), 374021-374021 (2010)
The Exocytosis of Fluorescent Nanodiamond and Its Use as a Long-Term Cell Tracker
Fang CY, et al.
Small, 7(23), 3363-3370 (2011)
Highly Fluorescent Nanodiamonds Protein-Functionalized for Cell Labeling and Targeting
B-M Chang, H-S Lin, L-J Su, et al.
Advances in Functional Materials, 23(46), 5737-5745 (2013)
Mass production and dynamic imaging of fluorescent nanodiamonds
Chang YR, et al.
Nature Nanotechnology, 3(5), 284-288 (2008)

Questions

  1. Hi, I'm looking at product 798169-5ML (70nm nanodiamonds). Approximately how many NVs per particle are there? I have a similar product from you (798169-mL) and it says it's more than 300NV's per particle. Is that the case for this product too?

    1 answer

    1. There are between 200 and 300 NV centers per particle.

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