Manganese dioxide nanosheet-decorated ionic liquid-functionalized graphene for electrochemical theophylline biosensing
Zhuang, XM; Chen, DD; Wang, SN; Liu, HT; Chen, LX
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
2017-11
Volume251Pages:185-191
KeywordMnO2 nanosheets Ionic liquid Graphene Theophylline Electrochemical sensor
MOST Discipline CatalogueChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
DOI10.1016/j.snb.2017.05.049
Contribution Rank[Zhuang, Xuming; Chen, Dandan; Wang, Shengnan; Liu, Huitao; Chen, Lingxin] Yantai Univ, Coll Chem & Chem Engn, Yantai, Peoples R China; [Chen, Lingxin] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proce & Ecol Remediat, Beijing, Peoples R China
Department海岸带环境工程技术研究与发展中心
AbstractIn this study, a novel theophylline (TP) sensor based on MnO2 nanosheets/ionic liquid-functionalized graphene (MnO2 nanosheets/IL-graphene) was fabricated. Cyclic voltammetry (CV) was used to evaluate the electrochemical behavior of the modified electrode. The surface concentration of the electroactive species, Gamma, was calculated to be approximately 2.316 x 10(-10) mol cm(-2) for MnO2 nanosheets on the modified electrode. The resulting system was suitable for electrochemical sensing because of the combined advantages of MnO2 nanosheets and IL-graphene. The differential pulse voltammetric (DPV) results indicated a high ability of the MnO2 nanosheets/IL-graphene/GCE to catalyze the oxidation of TP and, hence, to detect it. DPV determination of TP gave linear responses over the concentration range from 1 to 220 mu M, and the detection resolution limit was 0.1 mu M. Furthermore, the applicability of the MnO2 nanosheets/IL-graphene/GCE for analysis in real samples was successfully demonstrated. (C) 2017 Elsevier B.V. All rights reserved.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordMnO2 nanosheets ; Ionic liquid ; Graphene ; Theophylline ; Electrochemical sensor
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000406184600024
Funding OrganizationNational Natural Science Foundation of China [21405132, 21575159] ; Yantai University [HY13B21]
Citation statistics
Cited Times:47[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24356
Collection中科院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心
Affiliation1.Yantai Univ, Coll Chem & Chem Engn, Yantai, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proce & Ecol Remediat, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhuang, XM,Chen, DD,Wang, SN,et al. Manganese dioxide nanosheet-decorated ionic liquid-functionalized graphene for electrochemical theophylline biosensing[J]. SENSORS AND ACTUATORS B-CHEMICAL,2017,251:185-191.
APA Zhuang, XM,Chen, DD,Wang, SN,Liu, HT,&Chen, LX.(2017).Manganese dioxide nanosheet-decorated ionic liquid-functionalized graphene for electrochemical theophylline biosensing.SENSORS AND ACTUATORS B-CHEMICAL,251,185-191.
MLA Zhuang, XM,et al."Manganese dioxide nanosheet-decorated ionic liquid-functionalized graphene for electrochemical theophylline biosensing".SENSORS AND ACTUATORS B-CHEMICAL 251(2017):185-191.
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