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926620

Sigma-Aldrich

Upconversion Nanoparticles

NaYF4:Yb,Er@NaYF4, Oil soluble core-shell, fluorescence λex 980, green light

Synonym(s):

UCNPs

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About This Item

UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

100

concentration

5 mg/mL

matrix active group

Oleic acid surface treatment

particle size

30 nm±5 nm

solubility

cyclohexane: dispersible

fluorescence

λex 980 (green)
λem 540 nm
λem 650 nm

storage temp.

2-8°C

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Application

Upconversion nanoparticles (ucnps), are the result of a unique optical process in which near-infrared (NIR) light excitation is converted into visible and/or UV emission. Upconversion (UC) utilizes sequential absorption of multiple photons utilizing both lifetime and real ladder-like energy levels of ions in a host lattice to produce a higher energy anti-Stokes luminescence.

This optical features of UCNPs, results in deep tissue penetration and minimal autofluorescence background, for a broad range of applications of UCNP in diagnostics and biomedical imaging systems.

Applications include:

  • Fluorescent microscopy
  • Deep-tissue bioimaging
  • Nanomedicine
  • Optogenetics
  • Security labelling
  • Volumetric display

Legal Information

Product of RuixiBiotechCo.Ltd

Signal Word

Danger

Hazard Statements

H225,H304,H315,H336,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-4.0 °F - closed cup

Flash Point(C)

-20 °C - closed cup

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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Amplified stimulated emission in upconversion nanoparticles for super-resolution nanoscopy
Liu, Y. et al.
Nature, 543, 229?233-229?233 (2017)
Engineered Upconversion Nanoparticles for Resolving Protein Interactions inside Living Cells
Drees, C. et al.
Angewandte Chemie (International Edition in English), 55, 11668?11672-11668?11672 (2016)
Advances in highly doped upconversion nanoparticles
Wen, S., Zhou, J., Zheng, K. et al.
Nature Communications, 9, 2415-2415 (2018)
Upconversion nanoparticles: design, nanochemistry, and applications in theranostics
Chen G., et al.
Chemical Reviews, 114, 5161-5214 (2014)
Engineering bright sub-10-nm upconverting nanocrystals for single-molecule imaging
Gargas, D. J. et al.
Nature Nanotechnology, 9, 300?305-300?305 (2014)
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