Thermal monitoring treatment nano-mixture based on Y2O3:Yb3+/Er3+ @SiO2/SiO2@Cu2S

被引:1
|
作者
Zhang, Zhiyu [1 ]
Zhao, Xiaoqi [2 ]
Suo, Hao [2 ]
Jin, Minkun [2 ]
Sun, Jiashu [2 ]
机构
[1] Xian Univ Posts & Telecommun, Sch Elect Engn, Xian 710121, Peoples R China
[2] Northwest Univ, Inst Photon & Photon Technol, Natl Photoelect Technol Funct Mat & Applicat Sci, Natl Key Lab Photoelect Technol,Funct Mat Culture, Xian 710069, Peoples R China
基金
中国国家自然科学基金;
关键词
Temperature sensing; Photo-thermal treatment; Mixed reagent; Bacteria ablation; UP-CONVERSION; PHOTOTHERMAL THERAPY; GOLD NANORODS; CANCER; NANOPARTICLES; TOMOGRAPHY;
D O I
10.1016/j.optmat.2021.110875
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Realizing accurate temperature measurement and control is very critical in photo-thermal therapy (PTT). Here, the temperature self-monitoring medicament-like photo-thermal nano-system of mixture Y2O3: Yb/Er@SiO2/SiO2@Cu2S was designed and the mixture of samples with excellent photo-thermal effect could reach 48 degrees C under 980 nm (1.0 W/cm(2)). The characteristics of optical temperature sensing were achieved by fluorescence intensity ratio (FIR) of green emissions from Er3+ in Y2O3: Yb/Er@SiO2 at different temperatures under 980 nm. It is proved that the FIR technology with the better precision than infrared thermal imager for real-time temperature detection in bio-tissue. In addition, the photo-thermal of Y2O3: Yb/Er@SiO2/SiO2@Cu2S nano-particles was proved by Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) ablation. The relevant results illustrate that the samples of Y2O3: Yb/Er@SiO2/SiO2@Cu2S has potential applications in the region of temperature self-monitoring photo-thermal therapy.
引用
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页数:6
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