Cerium Dioxide-Mediated Signal 'On-Off' by Resonance Energy Transfer on a Lab-On-Paper Device for Ultrasensitive Detection of Lead Ions

Huang Yuzhen; Li Li; Zhang Yan; Zhang Lina; Ge Shenguang; Li Hao; Yu Jinghua

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Cerium Dioxide-Mediated Signal 'On-Off' by Resonance Energy Transfer on a Lab-On-Paper Device for Ultrasensitive Detection of Lead Ions

机译：二氧化铈介导的信号“开关”通过谐振能量转移在实验室装置上的谐振能量转移，用于超细离子检测

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In this report, a 3D microfluidic lab-on-paper device for ultrasensitive detection of lead cation was designed using phoenix tree fruit-shaped CeO2 nanoparticles (PFCeO2 NPs) as the catalyst and 50 nm silver NPs (Ag NPs) as the quencher. First, snowflake-like Ag NPs were grown on the paper working electrode through an in situ growth method and used as a matrix for DNAzymes that were specific for lead ions (Pb2+). After the addition of Ag NP-labeled substrate strands, the Ag NPs restrained the electrochemiluminescence (ECL) intensity of luminol greatly through the resonance energy transfer from luminol to Ag NPs. However, under the existence of Pb2+, the substrate strands were separated, and then PFCeO2 NP-labeled signal strands were hybridized with the DNAzymes. The ECL signal was improved greatly under the fast catalytic reaction between PFCeO2 NPs and H2O2, which converted the response from signal off to signal on state, resulting in sensitive detection of Pb2+. Under the optimal conditions, the ECL signal response exhibited a good linear relationship with the logarithm of lead cation in a wide linear range of 0.05-2000 nM and an ultralow detection limit of 0.016 nM. Meanwhile, a sensor featured with good specificity, acceptable stability, reproducibility, and low cost provides a promising portable, simple, and effective strategy for Pb2+ detection.

机译：在本报告中，使用凤凰树果实CEO2纳米颗粒（PFCEO2 NPS）作为催化剂和50nM银NPS（Ag NPS）作为猝灭剂设计了一种用于超细阳离子的3D微流体实验室纸纸装置。首先，通过原位生长方法在纸张工作电极上生长雪花样Ag NP，并用作具有针对铅离子（PB2 +）的二氮杂体的基质。在添加Ag NP标记的衬底股线后，通过从鲁米诺至Ag nps的共振能量转移，Ag NPS抑制了鲁米诺的电化学发光（ECL）强度。然而，在PB2 +的存在下，分离衬底股，然后用DNAzymes杂交PFCEO 2 NP标记的信号链。在PFCEO2 NPS和H 2 O 2之间的快速催化反应下，ECL信号得到了大大提高，其将响应从信号OFF转换为信号，导致PB2 +的敏感性检测。在最佳条件下，ECL信号响应与0.05-2000nm的宽线性范围和0.016nm的超级线性检测限呈现出良好的线性关系。同时，具有良好特异性，可接受的稳定性，再现性和低成本的传感器提供了有前途的PB2 +检测的便携式，简单和有效的策略。

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《ACS applied materials & interfaces》 |2017年第38期|共8页
作者
Huang Yuzhen; Li Li; Zhang Yan; Zhang Lina; Ge Shenguang; Li Hao; Yu Jinghua;
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作者单位

Univ Jinan Inst Adv Interdisciplinary Res Jinan 250022 Shandong Peoples R China;

Univ Jinan Inst Adv Interdisciplinary Res Jinan 250022 Shandong Peoples R China;

Univ Jinan Inst Adv Interdisciplinary Res Jinan 250022 Shandong Peoples R China;

Univ Jinan Shandong Prov Key Lab Preparat &

Measurement Bldg Jinan 250022 Shandong Peoples R China;

Univ Jinan Inst Adv Interdisciplinary Res Jinan 250022 Shandong Peoples R China;

Univ Jinan Inst Adv Interdisciplinary Res Jinan 250022 Shandong Peoples R China;

Univ Jinan Inst Adv Interdisciplinary Res Jinan 250022 Shandong Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类化学工业;
关键词
cerium dioxide; resonance energy transfer; signal "on-off"; lab-on-paper; lead ion;

机译：二氧化铈;谐振能量转移;信号“开关”;实验室;铅离子;

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1. Cerium Dioxide-Mediated Signal "On-Off" by Resonance Energy Transfer on a Lab-On-Paper Device for Ultrasensitive Detection of Lead Ions [J] . Huang Yuzhen, Li Li, Zhang Yan, ACS applied materials & interfaces . 2017,第38期

机译：二氧化铈介导的信号“开关”通过谐振能量转移在实验室装置上的谐振能量转移，用于超细离子检测
2. An ultrasensitive fluorescence aptasensor for carcino-embryonic antigen detection based on fluorescence resonance energy transfer from upconversion phosphors to Au nanoparticles [J] . Xiang-Hui Li, Wei-Ming Sun, Juan Wu, Analytical methods . 2018,第13期

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3. Construction of Highly Efficient Resonance Energy Transfer Platform Inside a Nanosphere for Ultrasensitive Electrochemiluminescence Detection [J] . Chen Miao-Miao, Wang Yin, Cheng Shi-Bo, Analytical chemistry . 2018,第8期

机译：超敏化电化学发光检测纳米圈内高效共振能量转移平台的构建
4. Communication strategies with ON-OFF signaling for energy harvesting devices [C] . Trillingsgaard Kasper Floe, Popovski Petar, Larsen Torben IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications . 2013

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5. Towards multi-colour strategies for the detection of nucleic acid hybridization using quantum dots as energy donors in fluorescence resonance energy transfer (FRET). [D] . Algar, Walter Russell. 2006

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Cerium Dioxide-Mediated Signal 'On-Off' by Resonance Energy Transfer on a Lab-On-Paper Device for Ultrasensitive Detection of Lead Ions

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