Recent Advances of Upconversion Nanomaterials in the Biological Field

被引：50

作者：

Gao, Cunjin ^{[1
]}

Zheng, Pengrui ^{[1
]}

Liu, Quanxiao ^{[1
]}

Han, Shuang ^{[1
]}

Li, Dongli ^{[1
]}

Luo, Shiyong ^{[1
]}

Temple, Hunter ^{[2
]}

Xing, Christina ^{[2
]}

Wang, Jigang ^{[1
]}

Wei, Yanling ^{[3
]}

Jiang, Tao ^{[4
]}

Chen, Wei ^{[2
,5
]}

机构：

[1] Beijing Inst Graph Commun, Beijing Key Lab Printing & Packaging Mat & Techno, Beijing 102600, Peoples R China

[2] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA

[3] Jilin Engn Normal Univ, Fac Sci Appl, Changchun 130052, Peoples R China

[4] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, CAS Ctr Excellence Nanosci, Beijing Key Lab Micro Nano Energy & Sensor, Beijing 101400, Peoples R China

[5] Anglia Ruskin Univ, Med Technol Res Ctr, Chelmsford Campus, Chelmsford CM1 1SQ, England

来源：

NANOMATERIALS | 2021年 / 11卷 / 10期

基金：

美国国家科学基金会;

关键词：

UCNPs; UCL; RE-doped; bio-imaging; PDT; bio-detection; EARTH FLUORIDE NANOCRYSTALS; NEAR-INFRARED EMISSION; LANTHANIDE-DOPED NAYF4; PHOTODYNAMIC THERAPY; DRUG-DELIVERY; SPECTROSCOPIC PROPERTIES; PHOSPHOR REPORTERS; GENERAL STRATEGY; DIVERSE SHAPES; NANOPARTICLES;

D O I：

10.3390/nano11102474

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rare Earth Upconversion nanoparticles (UCNPs) are a type of material that emits high-energy photons by absorbing two or more low-energy photons caused by the anti-stokes process. It can emit ultraviolet (UV) visible light or near-infrared (NIR) luminescence upon NIR light excitation. Due to its excellent physical and chemical properties, including exceptional optical stability, narrow emission band, enormous Anti-Stokes spectral shift, high light penetration in biological tissues, long luminescent lifetime, and a high signal-to-noise ratio, it shows a prodigious application potential for bio-imaging and photodynamic therapy. This paper will briefly introduce the physical mechanism of upconversion luminescence (UCL) and focus on their research progress and achievements in bio-imaging, bio-detection, and photodynamic therapy.</p>

引用

页数：20

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