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| Content Provider | IET Digital Library |
|---|---|
| Author | Han, Haitao Zheng, Zhaoxia Pan, Dawei Wang, Chenchen Hu, Xueping Wang, Yongcong |
| Abstract | A portable electrophoresis device based on the SU-8/Pyrex microfluidic chip with integrated three 100 μm platinum (Pt) thin-film electrodes (working, reference, and auxiliary) was adapted for the analysis of silver nanoparticles (AgNPs). The microfluidic platform includes the main electrophoresis instrument, reusable holder, and microfluidic chip with integrated Pt electrodes. The electrochemical oxidation behaviours of AgNPs on Pt thin-film electrode were investigated by using cyclic voltammetry, while the electrophoresis behaviours of AgNPs were studied on the ‘Lab-on-a-chip’ platform. The influences of parameters including running buffer, separation voltage, and detection potential on the electrophoresis behaviours of AgNPs were all investigated. The results showed that AgNPs could be oxidised at 0.2–0.4 V [phosphate buffer solution buffer, pH 7.0] on the Pt thin-film electrode. The peak current enhanced with the increase of separation voltage, while the retention time decreased. The peak current varied with the detection potential and reached the highest value at 0.4 V. This microfluidic platform could be a fast and portable detection system for the analysis of total AgNPs. |
| Starting Page | 302 |
| Ending Page | 305 |
| Page Count | 4 |
| Volume Number | 13 |
| e-ISSN | 17500443 |
| Issue Number | Issue 3, Mar (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/13/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2017.0515 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2018-03-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AgNPs Analysis Chemical Analysis Cyclic Voltammetry Detection Potential Electrochemical Analytical Method Electrochemical Oxidation Behaviours Electrochemistry And Electrophoresis Electrophoresis Electrophoresis Instrument Integrated Platinum Thin Film Electrodes Lab-on-a-chip Lab-on-a-chip Platform MEMS And NEMS Device Technology Microelectrodes Microfluidic Platform Microfluidics Micromechanical And Nanomechanical Device And System Nanoparticle Oxidation Platinum Portable Instrument Portable Microfluidic Chip Electrophoresis Device Pt Reusable Holder Running Buffer Separation Voltage Silver Nanoparticle Analysis SU-8-Pyrex Microfluidic Chip Thin Film Voltage 0.2 V to 0.4 V Voltammetry |
| Content Type | Text |
| Resource Type | Article |
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