DNAzyme modified NaYF4: Yb, Tm, Gd for near-infrared fluorescence detection of uranyl - 成果

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DNAzyme modified NaYF₄: Yb, Tm, Gd for near-infrared fluorescence detection of uranyl

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成果类型：

期刊论文

作者：

Chen, Sihan;Hu, Huiqi;Jiang, Wenting;Zhang, Yuyun;Luo, Xiaohu;...

通讯作者：

Wang, HQ

作者机构：

[Wang, HQ; Wang, Hanqing; Zhen, Deshuai; Chen, Sihan] Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Hu, Huiqi; Jiang, Wenting; Peng, Jiayi; Li, Le; Zhen, Deshuai; Chen, Sihan; Zhang, Yuyun] Univ South China, Sch Publ Hlth, Hunan Key Lab Typ Environm Pollut & Hlth Hazards, Hengyang 421001, Peoples R China.

[Wang, HQ; Wang, Hanqing; Chen, Sihan] Natl & Local Joint Engn Res Ctr Airborne Pollutant, Hengyang 421001, Peoples R China.

[Zhen, Deshuai; Luo, Xiaohu] Qiannan Normal Univ Nationalities, Engn Res Ctr Lose Efficacy & Anticorros Mat Guizho, Sch Chem & Chem Engn, Duyun 558000, Peoples R China.

[Wang, HQ; Wang, Hanqing] Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha 410000, Peoples R China.

通讯机构：

[Wang, HQ ] U

Univ South China, Sch Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

Natl & Local Joint Engn Res Ctr Airborne Pollutant, Hengyang 421001, Peoples R China.

Cent South Univ Forestry & Technol, Sch Civil Engn, Changsha 410000, Peoples R China.

语种：

英文

关键词：

Upconversion;Near Infrared Fluorescence;Uranyl;Quantification;DNAzyme.

期刊：

Materials Express

ISSN：

2158-5849

年：

2023

卷：

期：

页码：

1915-1921

DOI：

10.1166/mex.2023.2580

基金类别：

Natural Science Foundation of Hunan Province [12305389, U1867221]; Protection in Colleges and Universities of Guizhou Province, China [2021JJ40470, 2023JJ50127, WDZC-2023-AW-0319]; National Innovation and Entrepreneurship Training Project for University (China) [[2022] 057]; outstanding youth project of <bold>Scientific research project of the Education Department of Hunan Province

机构署名：

本校为第一且通讯机构

院系归属：

公共卫生学院

摘要：

A novel near-infrared induced upconversion sensor for the detection of uranyl ions was successfully constructed using β-NaYF4: Yb, Tm, Gd upconversion nanoparticles (UCNPs) and specific DNAzyme. Characterization of the UCNPs@DNAzyme was conducted using XRD, TEM, FT-IR and fluorescence testing, and it was shown that the β-NaYF4: Yb, Tm, Gd nanoparticles were successfully prepared (∼27 nm). Upon 980 nm excitation, the UCNPs@DNAzyme emitted green light at λ=475 nm. Furthermore, Förster resonance energy transfer was observed between the UCNP...

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DNAzyme modified NaYF₄: Yb, Tm, Gd for near-infrared fluorescence detection of uranyl

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