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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Liu, Yan Yang, Shanli Niu, Weifen |
| Description | Author Affiliation: Liu Y ( School of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling 408100, PR China. liuyan427315@163.com) |
| Abstract | Simple, rapid, green and one-step electrodeposition strategy was first proposed to synthesis of graphene/carbon nanotubes/chitosan (GR/CNTs/CS) hybrid. The one-step electrodeposition approach for the construction of GR-based hybrid is green environmentally, which would not involve the chemical reduction of graphene oxide (GO) and therefore result in no further contamination. The whole procedure is simple and needs only several minutes. Combining the advantages of GR (large surface area, high conductivity and good adsorption ability), CNTs (high surface area, high enrichment capability and good adsorption ability) and CS (good adsorption and excellent film-forming ability), the obtained GR/CNTs/CS composite could be highly efficient to capture organophosphate pesticides (OPs) and used as solid phase extraction (SPE). The GR/CNTs/CS sensor is used for enzymeless detection of OPs, using methyl parathion (MP) as a model analyte. Significant redox response of MP on GR/CNTs/CS sensor is proved. The linear range is wide from 2.0ngmL(-1) to 500ngmL(-1), with a detection limit of 0.5ngmL(-1). Detection limit of the proposed sensor is much lower than those enzyme-based sensors and many other enzymeless sensors. Moreover, the proposed sensor exhibits high reproducibility, long-time storage stability and satisfactory anti-interference ability. This work provides a green and one-step route for the preparation of GR-based hybrid, and also offers a new promising protocol for OPs analysis. |
| File Format | HTM / HTML |
| ISSN | 09277765 |
| Volume Number | 108 |
| e-ISSN | 18734367 |
| Journal | Colloids and Surfaces B: Biointerfaces |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-08-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Chemistry Chitosan Chemistry Electroplating Methods Graphite Insecticides Analysis Methyl Parathion Nanotubes, Carbon Adsorption Calibration Electrodes Instrumentation Standards Green Chemistry Technology Limit Of Detection Reproducibility Of Results Solid Phase Extraction Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Colloid and Surface Chemistry Medicine Physical and Theoretical Chemistry Surfaces and Interfaces Biotechnology |
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