Impurity doping is a promising method to impart new properties to various materials. Due to
their unique optical, magnetic, and electrical properties, rare-earth ions have been …

Optical imaging is an indispensable tool in clinical diagnostics and fundamental biomedical
research. Autofluorescence-free optical imaging, which eliminates real-time optical …

Abstract NaYF4: Ln3+, due to its outstanding upconversion characteristics, has become one
of the most important luminescent nanomaterials in biological imaging, optical information …

Fluorescence thermometry has been propelled to the forefront of scientific attention due to its
high spatial resolution and remote non‐invasive detection. However, recent generations of …

Scintillators are of significance for the realization of indirect X-ray detection and X-ray
excited optical luminescence (XEOL) imaging. However, commercial bulk scintillators not …

Among luminescent nanostructures actively investigated in the last couple of decades, rare
earth (RE3+) doped nanoparticles (RENPs) are some of the most reported family of …

Light in the near‐infrared (NIR) spectral region is increasingly utilized in bioapplications,
providing deeper penetration in biological tissues owing to the lower absorption and …

Lanthanide-doped nanoconstructs (LDNCs) have been widely studied in the biomedical
field. Especially, LDNCs with near-infrared (NIR) fluorescence show great promise in …

The only way to get thermal images of living organisms without perturbing them is to use
luminescent probes with temperature-dependent spectral properties. The acquisition of such …

Upconversion nanoparticles (UCNPs), typically converting near-infrared (NIR) light into
visible luminescence, are promising for bioimaging applications. However, optical …