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A solid-state electrochemical sensing platform based on a supramolecular hydrogel
Fu, Li1; Wang, Aiwu2; Lyu, Fucong2; Lai, Guosong3; Yu, Jinhong5; Lin, Cheng-Te5; Liu, Zhong6; Yu, Aimin3,4; Su, Weitao1
2018-06-01
发表期刊SENSORS AND ACTUATORS B-CHEMICAL
卷号262页码:326-333
文章类型Article
摘要Supramolecular hydrogels formed from the biopolymer chitosan and zinc ions were used as disposable electrochemical sensing platforms for the determination of hydroxyl radicals and hydrogen peroxide for the first time. The enclosed chitosan hydrogel served as the electrolyte for the system. In the presence of hydroxyl radicals or hydrogen peroxide, the chitosan hydrogel underwent depolymerization, resulting in the release of zinc ions from complexes formed with the hydrogel. The changes in the current from the zinc ions were then monitored and used as a signal for determining the concentration of analyte. The proposed chitosan hydrogel sensing platform exhibited a comparable detection performance with wide linear ranges and low detection limits for the two analytes. The linear detection range could be further manipulated by varying the depolymerization time. Due to the low cost and simplicity of the preparation process, this enzyme- and DNA-free sensing platform possesses great potential for application in disposable point-of-care devices and in-field testing. Additionally, the application of the proposed chitosan hydrogel to antioxidant screening could be further explored. (C) 2018 Published by Elsevier B.V.
关键词Chitosan Hydrogel Electrochemical Sensing Platform Depolymerization Hydroxyl Radical
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]CHITOSAN HYDROGEL ; FACILE SYNTHESIS ; DNA-DAMAGE ; PEROXIDE ; DEPOLYMERIZATION ; DEGRADATION ; SENSOR ; NANOPARTICLES ; ACID ; NANOCOMPOSITE
收录类别SCI
语种英语
WOS研究方向Chemistry ; Electrochemistry ; Instruments & Instrumentation
WOS类目Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS记录号WOS:000427460600039
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6443
专题青海盐湖研究所知识仓储
盐湖资源与化学实验室
作者单位1.Hangzhou Dianzi Univ, Collage Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China
2.City Univ Hong Kong, Ctr Super Diamond & Adv Films, Hong Kong, Hong Kong, Peoples R China
3.Hubei Normal Univ, Dept Chem, Hubei Collaborat Innovat Ctr Rare Met Chem, Hubei Key Lab Pollutant Anal & Reuse Technol, Huangshi 435002, Peoples R China
4.Swinburne Univ Technol, Fac Sci Engn & Technol, Dept Chem & Biotechnol, Hawthorn, Vic 3122, Australia
5.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Key Lab Marine Mat & Protect Technol, Key Lab Marine New Mat & Related Technol, Ningbo 315201, Zhejiang, Peoples R China
6.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
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GB/T 7714
Fu, Li,Wang, Aiwu,Lyu, Fucong,et al. A solid-state electrochemical sensing platform based on a supramolecular hydrogel[J]. SENSORS AND ACTUATORS B-CHEMICAL,2018,262:326-333.
APA Fu, Li.,Wang, Aiwu.,Lyu, Fucong.,Lai, Guosong.,Yu, Jinhong.,...&Su, Weitao.(2018).A solid-state electrochemical sensing platform based on a supramolecular hydrogel.SENSORS AND ACTUATORS B-CHEMICAL,262,326-333.
MLA Fu, Li,et al."A solid-state electrochemical sensing platform based on a supramolecular hydrogel".SENSORS AND ACTUATORS B-CHEMICAL 262(2018):326-333.
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