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926515

Sigma-Aldrich

Upconversion Nanoparticles

Silica coated NaYF4-Yb,Er@NaYF4, fluorescence λex 980 nm, green light

Synonym(s):

UCNPs

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About This Item

UNSPSC Code:
12352302
NACRES:
NA.23

Quality Level

concentration

2 mg/mL

size

50 nm ± 15%

matrix active group

OH surface treatment

solubility

water: dispersible

fluorescence

λex 980 nm (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
  • Optogenetic
  • Security labelling
  • Volumetric display

Legal Information

Product of RuixiBiotechCo. Ltd

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2


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