Counterfeiting and inverse engineering of security and confidential documents, such as
banknotes, passports, national cards, certificates, and valuable products, has significantly …

Research related to the development and application of luminescent nanoparticles (LNPs)
for chemical and biological analysis and imaging is flourishing. Novel materials and new …

Lanthanide-doped upconversion nanoparticles (UCNPs) are capable of converting near-
infra-red excitation into visible and ultraviolet emission. Their unique optical properties have …

Nanoparticles from natural and anthropogenic sources are abundant in the environment,
thus human exposure to nanoparticles is inevitable. Due to this constant exposure, it is …

Single-atom catalysts (SACs) featuring the complete atomic utilization of metal, high-efficient
catalytic activity, superior selectivity, and excellent stability have been emerged as a frontier …

Lanthanide-doped upconversion nanoparticles (UCNPs) possess the remarkable ability to
convert multiple near-infrared (NIR) photons into higher energy ultraviolet–visible (UV–vis) …

The insufficient blood flow and oxygen supply in solid tumor cause hypoxia, which leads to
low sensitivity of tumorous cells and thus causing poor treatment outcome. Here …

Hydroxyapatite nanoparticles (HAP NPs) are host materials and can be modified with
various substrates and dopants. Among them, rare earth (RE) ions doped HAP NPs have …

Conspectus Lanthanide-doped upconversion nanoparticles (UCNPs) are a special class of
luminescent nanomaterials that convert multiwavelength near-infrared (NIR) excitation into …

Lanthanide-doped upconversion nanoparticles capable of converting near-infrared
excitation into UV and visible emissions have attracted considerable research interests in …