Electrochemical Sensing Fabricated with TaO Nanoparticle-Electrochemically Reduced Graphene Oxide Nanocomposite for the Detection of Oxytetracycline.
| dc.contributor.author | Magesa, Felista | |
| dc.contributor.author | Wu, Yiyong | |
| dc.contributor.author | Dong, Shuai | |
| dc.contributor.author | Tian, Yaling | |
| dc.contributor.author | Li, Guangli | |
| dc.contributor.author | Vianney, John Mary | |
| dc.contributor.author | Buza, Joram | |
| dc.contributor.author | Liu, Jun | |
| dc.contributor.author | He, Quanguo | |
| dc.date.accessioned | 2020-02-12T05:51:38Z | |
| dc.date.available | 2020-02-12T05:51:38Z | |
| dc.date.issued | 2020-01-08 | |
| dc.description | This Research Article published by MDPI, 2020 | en_US |
| dc.description.abstract | A novel tantalum pentoxide nanoparticle-electrochemically reduced graphene oxide nanocomposite-modified glassy carbon electrode (TaO-ErGO/GCE) was developed for the detection of oxytetracycline in milk. The composition, structure and morphology of GO, TaO, and TaO-ErGO were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Oxytetracycline electrochemical behavior on the bare GCE, GO/GCE, ErGO/GCE, and TaO-ErGO/GCE was studied by cyclic voltammetry. The voltammetric conditions (including scan rate, pH, deposition potential, and deposition time) were systematically optimized. With the spacious electrochemical active area, the TaO-ErGO/GCE showed a great magnification of the oxidation signal of oxytetracycline, while that of the other electrodes (GCE, GO/GCE, ErGO/GCE) could not reach the same level. Under the optimum conditions, the currents were proportional to the oxytetracycline concentration in the range from 0.2 to 10 μM, and a low detection limit of 0.095 μM (S/N = 3) was detectable. Moreover, the proposed TaO-ErGO/GCE performed practically with satisfactory results. The preparation of TaO-ErGO/GCE in the current work provides a minor outlook of detecting trace oxytetracycline in milk. | en_US |
| dc.identifier.other | 31936417 | |
| dc.identifier.uri | https://doi.org/10.3390/biom10010110 | |
| dc.identifier.uri | http://dspace.nm-aist.ac.tz/handle/123456789/547 | |
| dc.language.iso | en | en_US |
| dc.publisher | MDPI | en_US |
| dc.subject | Ta2O5-ErGO composition | en_US |
| dc.subject | Electrochemical reduced graphene oxide | en_US |
| dc.subject | Modified electrode | en_US |
| dc.subject | Oxytetracycline | en_US |
| dc.subject | Voltammetric determination | en_US |
| dc.title | Electrochemical Sensing Fabricated with TaO Nanoparticle-Electrochemically Reduced Graphene Oxide Nanocomposite for the Detection of Oxytetracycline. | en_US |
| dc.type | Article | en_US |