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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yin, Guihao Li, Chunli Qin, Anli Zhang, Qun Li, Shuhuai Luo, Jinhui Xu, Zhi |
| Description | Author Affiliation: Li S ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China); Yin G ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China); Zhang Q ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China); Li C ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China); Luo J ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China); Xu Z ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China); Qin A ( Analysis and Test Center of Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China) |
| Abstract | A novel fluorescence switch sensor was constructed for detecting the fungicide fenaminosulf (FM), based on a dye-doped molecularly imprinted polymer (MIP) and silver nanofilm amplification. The MIP was prepared by electropolymerization of hydroquinone doped with neutral red on the silver nanofilm modified electrode. A fluorescence signal was produced by the neutral red and the fluorescence intensity was diminished by the ion pair that formed via electrostatic forces between FM and the dye. Therefore, elution and adsorption of FM by the MIP acted as a switch to control the fluorescence intensity, which was effectively amplified by the silver nanofilm. The decrease in fluorescence intensity was linear with the FM concentration, establishing a new method for FM detection. Under optimal conditions, good linear correlation was obtained for FM concentrations over the range from 2.0 × 10(-10) to 4.0 × 10(-8)mol/L, with a detection limit of 1.6 × 10(-11)mol/L. This method was utilized to determine residual FM in vegetable samples, and recoveries ranging from 92.0% to 110% were obtained. |
| ISSN | 09565663 |
| Volume Number | 71 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-09-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Benzenesulfonates Analysis Metal Nanoparticles Chemistry Molecular Imprinting Methods Silver Spectrometry, Fluorescence Fungicides, Industrial Materials Testing Membranes, Artificial Ultrastructure Reproducibility Of Results Sensitivity And Specificity Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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