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Design of two electrode system for detection of antioxidant capacity with photoelectrochemical platform
Han, Dongxue1; Ma, Weiguang1,2; Wang, Lingnan1; Ni, Shuang3; Zhang, Nan1; Wang, Wei1; Dong, Xiandui1; Niu, Li1
关键词Antioxidant Capacity Photoelectrochemistry Two Electrode Technique
刊名BIOSENSORS & BIOELECTRONICS
2016-01-15
DOI10.1016/j.bios.2015.08.066
75页:458-464
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biophysics ; Biotechnology & Applied Microbiology ; Chemistry, Analytical ; Electrochemistry ; Nanoscience & Nanotechnology
研究领域[WOS]Biophysics ; Biotechnology & Applied Microbiology ; Chemistry ; Electrochemistry ; Science & Technology - Other Topics
关键词[WOS]AG/AGCL REFERENCE ELECTRODE ; LIQUID-JUNCTION ; QUANTUM DOTS ; NANOPARTICLES ; IMMUNOASSAY ; CARBON ; SENSOR
英文摘要Recently, a flow photoelectrochemical cell has been first developed and applied to assay global antioxidant capacity in our group. Yet, shortcomings of liquid reference electrode such as sample contaminations from the leaking of the reference solution, mechanically fragile, temperature and light sensitivity, etc. are significant restrictions for integration and miniaturization of photoelectrochemical sensing instruments, which have greatly limited their practical applications. Bearing these problems, in this work a novel two electrode flow photoelectron-chemical system (two-EPCS) has been developed for detection of antioxidant capacity. It is noteworthy that the electrochemical modulation-free mode (detection at the potential of 0.0 V) is performed, which has greatly simplified the analysis process and will result in significant simplifications of the instrument integrations. During the sample analysis, both standard antioxidants and commercial beverages were detected. Results evaluated from the two-EPCS are well agreed with those of the traditional three-EPCS at low potentials. By unloading of the reference electrode, it is of great convenience to design a novel photoelectrochemical microfluidic chip based on the two-EPCS, which has also been successfully applied for antioxidant capacity assay. It is satisfactory that comparable detection concentration range and sensitivity were accomplished by applying the microfluidic chip technique. Moreover, the two-EPCS is verified to be a universal platform which does not depend on selected optoelectronic materials but pervasive for general photocatalysts. Such a two-EPCS should be considered as a feasible alternative to the three-EPCS, which will become a promising candidate for industrial and commercial photoelectrochemical sensing instrument integrations in the future. (C) 2015 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000362862000060
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146599
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Engn Lab Modern Analyt Tech, Changchun 130022, Jilin, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Shenyang Agr Univ, Shenyang 110161, Peoples R China
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Han, Dongxue,Ma, Weiguang,Wang, Lingnan,et al. Design of two electrode system for detection of antioxidant capacity with photoelectrochemical platform[J]. BIOSENSORS & BIOELECTRONICS,2016,75:458-464.
APA Han, Dongxue.,Ma, Weiguang.,Wang, Lingnan.,Ni, Shuang.,Zhang, Nan.,...&Niu, Li.(2016).Design of two electrode system for detection of antioxidant capacity with photoelectrochemical platform.BIOSENSORS & BIOELECTRONICS,75,458-464.
MLA Han, Dongxue,et al."Design of two electrode system for detection of antioxidant capacity with photoelectrochemical platform".BIOSENSORS & BIOELECTRONICS 75(2016):458-464.
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