Upconversion from aqueous phase lanthanide chelates

Lanthanide - doped upconversion nanoparticles

Thiol-reactive luminescent lanthanide chelates: part 2.

Luminescent lanthanide complexes have unusual spectroscopic characteristics, including millisecond excited-state lifetime and sharply spiked emission spectra. These characteristics make them valuable alternatives to conventional organic fluorescent probes in detection applications and for measuring nanometer-scale conformational changes in biomolecules via resonance energy transfer. Our group h...

Tunable Upconversion Emissions from Lanthanide- doped Monodisperse β-NaYF4 Nanoparticles

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The biosafety of lanthanide upconversion nanomaterials.

Lanthanide upconversion nanophosphors (UCNPs) show unique upconversion luminescence where lower-energy photons (such as near-infrared (NIR) excitation) are converted into higher-energy photons covering the NIR to the UV region, and are considered to have a bright future in clinical translation. As UCNPs are used in a significant number of potential bio-applications, their biosafety is important...

Finding a single lanthanide ion through upconversion.

Beyond detection: Detection of a single lanthanide ion can be optically achieved by implementing a two-step upconversion process in YAG:Pr(3+) nanocrystals (see picture).