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926558

Sigma-Aldrich

Upconversion Nanoparticles

NaYF4-Yb,Tm@NaYF4, PEG-NH2 modified core-shell ucnps,980 excitation, blue light

Synonym(s):

UCNPs

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About This Item

UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

concentration

2 mg/mL in water

matrix active group

PEG-NH2 surface treatment

particle size

30 nm±5 nm

fluorescence

λex 980 nm (blue)
λem 360 nm
λem 450 nm
λem 470 nm

storage temp.

2-8°C

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Application

  • Fluorescent microscopy
  • Deep-tissue bioimaging
  • Nanomedicine
  • Optogenetics
  • Security labelling
  • Volumetric display
Upconversion nanoparticles (ucnps), are the result of a unique optical process in which near-infrared (NIR) light excitation is converted into visable 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.

Legal Information

Product of RuixiBiotechCo. Ltd

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2


Certificates of Analysis (COA)

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

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