Lateral flow assays (LFA), as the most commonly used commercialized point-of-care testing
(POCT), has been limited by the detection accuracy for decades. To address this challenge …

Rare-earth (RE) doped nanoparticles show unique features of photon conversion from an
incident wavelength to a more suitable wavelength at an intended biological site, thus …

Lanthanide-doped upconversion nanoparticles (UCNPs) have gained more attention from
researchers due to their unique properties of photon conversion from an excitation/incident …

Dye‐sensitization can enhance lanthanide‐based upconversion luminescence, but is
hindered by interfacial energy transfer from organic dye to lanthanide ion Yb3+. To …

Coordination chemistry has been widely studied in lanthanide complexes, where organic
ligands are used to chelate individual lanthanide ions, and the complexes are broadly used …

Upconversion nanoparticles (UCNPs) offer a myriad of opportunities for bioanalytical
applications, well beyond those of their down-converting counterparts (QDs, organic dyes …

Abstract Trivalent lanthanide (Ln 3+) doped luminescent nanocrystals are promising for
applications ranging from biosensor, lasing, super-resolution nanoscopy, information …

Near-infrared-excited upconversion nanoparticles (UCNPs) have multicolor emissions, a
low auto-fluorescence background, a high chemical stability, and a long fluorescence …

Lanthanide-doped upconversion nanoparticles (UCNPs), characterized by converting low-
energy excitation to high-energy emission, have attracted considerable interest due to their …

Fluorescence (FL) imaging in the second near-infrared window (NIR-II, 1000–1700 nm) has
emerged as a promising bioimaging modality that enables noninvasive visualization of deep …