| Using electrochemistry - Total internal refection imaging ellipsometry to monitor biochemical oxygen demand on the surface tethered polyelectrolyte modified electrode | |
Liu W(刘巍) ; Li M(李萌); Lv BE; Chen YY(陈艳艳); Ma HW; Jin G(靳刚)
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| Source Publication | 10.1117/12.2078486 |
| 2015 | |
| Conference Name | 1st Conference on Quantitative Phase Imaging, QPI 2015，Progress in Biomedical Optics and Imaging - Proceedings of SPIE |
| Conference Date | February 7, 2015 - February 10, 2015 |
| Conference Place | San Francisco, CA, United states |
| Abstract | Our previous work has proposed an electrochemistry - total internal reflection imaging ellipsometry (EC-TIRIE) technique to observe the dissolvedoxygen (DO) reduction on Clark electrode since high interface sensitivity makes TIRIE a useful tool to study redox reactions on the electrode surface.To amplify the optical signal noise ratio (OSNR), a surface tethered weak polyelectrolyte, carboxylated poly(oligo(ethylene glycol) methacrylate-random-2-hydroxyethylmethacrylate) (abbreviated as carboxylated poly(OEGMA-r-HEMA)), has been introduced on the electrode surface. Since Clark electrode is widely used in biochemical oxygen demand (BOD) detection, we use this technique to measure BOD in the sample. The dynamic range of the system is from 0 ∼ 25 mg/L. Two samples have been measured. Compared with the conventional method, the deviation of both optical and electrical signals are less than 10%. © 2015 SPIE. |
| Department | NML纳米生物光学 |
| ISBN | 9781628414264 |
| Indexed By | EI |
| Language | 英语 |
| Document Type | 会议论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/58847 |
| Collection | 微重力重点实验室 |
| Recommended Citation GB/T 7714 | Liu W,Li M,Lv BE,et al. Using electrochemistry - Total internal refection imaging ellipsometry to monitor biochemical oxygen demand on the surface tethered polyelectrolyte modified electrode[C]10.1117/12.2078486,2015. |
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| popescu2015.pdf（539KB） | 会议论文 | 开放获取 | CC BY-NC-SA | View Download | ||
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