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ICCAS OpenIR  > 分子纳米结构与纳米技术实验室  > 期刊论文
题名: A hierarchical charge transport cascade based on W-Bi2S3/poly(thiophenyl-3-boronic acid) hybrid for robust photoelectrochemical analysis of subgroup J of avian leukosis virus
作者: Sun, Bing1, 2, 3; Dong, Jing1; Shi, Wei-Jie1; Ai, Shi-Yun1
关键词: Charge transfer ; Semiconductor-conjugated polymer hybrid ; W-doped Bi2S3 nanostructures ; Boronic acid ; Photoelectrochemical analysis
刊名: SENSORS AND ACTUATORS B-CHEMICAL
发表日期: 2016-06-28
卷: 229, 页:75-81
收录类别: SCI
英文摘要: A novel photoelectrochemical (PEC) analyzing platform was fabricated based on tungsten-doped Bi2S3 (W-Bi2S3) composite and electropolymerized poly(thiophenyl-3-boronic acid) (PTBA) for detecting subgroup J of avian leukosis virus (ALVs-J). W-Bi2S3 composite was synthesized using a facile hydrothermal method without any organic reagents. Benefiting from the appropriate energy level cascade between PTBA and W-Bi2S3, the PTBA/W-Bi2S3/ITO electrode exhibited improved PEC performance. Based on the reaction between boric acid and sialic acid on the surface of target virus, boronic acids were used as probing receptors for capturing ALVs-J. Alkaline phosphatase assembled on the modified electrode surface was used to catalyze the hydrolysis of ascorbic acid 2-phosphate in situ producing ascorbic acid for electron donating. The proposed PEC sensor for ALVs-J assay showed a wide linear range, high sensitivity and lower detection limit. This method provides a rapid, effective and reusable platform for screening the ALVs-J-infected poultry. (C) 2016 Published by Elsevier B.V.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35927
Appears in Collections:分子纳米结构与纳米技术实验室_期刊论文

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作者单位: 1.Shandong Agr Univ, Coll Chem & Mat Sci, Tai An 271018, Shandong, Peoples R China
2.Chinese Acad Sci, Key Lab Mol Nanostruct & Nanotechnol, Inst Chem, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China
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