Issue 45, 2020

Lanthanide nanoparticles with efficient near-infrared-II emission for biological applications

Abstract

The near-infrared II (NIR-II) light (1000–1700 nm) possesses deep penetration capability and high signal-to-noise ratios due to the advances of low autofluorescence and scattering in biological tissues. Differing from the traditional NIR-II-emitting nanoprobes such as carbon nanotubes (CNT), organic dyes, quantum dots (QDs), and polymer dots (PDs), lanthanide-doped NPs feature the characteristic of excellent photo-and-chemical stability, sharp emission peaks, longer lifetime, and larger anti-Stokes shift. These merits have impelled the development of NIR-II-emitting lanthanide NPs in biomedical applications at a terrific speed. In this mini-review, we discuss how to design efficient NIR-II-emitting lanthanide NPs and summarize their recent progress in bioimaging, therapy, and biosensing. Moreover, the limitations and future opportunities of NIR-II-emitting lanthanide NPs are also discussed.

Graphical abstract: Lanthanide nanoparticles with efficient near-infrared-II emission for biological applications

Article information

Article type
Review Article
Submitted
15 jul. 2020
Accepted
19 sep. 2020
First published
09 oct. 2020

J. Mater. Chem. B, 2020,8, 10257-10270

Lanthanide nanoparticles with efficient near-infrared-II emission for biological applications

X. Ge, R. Wei and L. Sun, J. Mater. Chem. B, 2020, 8, 10257 DOI: 10.1039/D0TB01745K

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