| Yazarlar (6) |
Imran Ali
|
|
Dr. Öğr. Üyesi Murat MISIR
Türkiye |
|
Ersin Demir
Türkiye |
|
İrem Dinçer
Türkiye |
|
Marcello Locatelli
|
|
Zeid A. Alothman
|
| Özet |
| A polymer-based nanosensor and electrochemical methods were developed for the quantitative analysis of vanillin. The sample preparation was done using nano solid phase micro membrane tip extraction (NSPMMTE). A novel poly(phenylalanine)/TiO2/CPE sensor was built as the working electrode for the first time for the analysis of the vanillin substance. The electrochemical behavior and analytical performance of vanillin were examined in detail by cyclic voltammetry (CV) and differential pulse stripping voltammetry (DPSV) techniques via the oxidation process. The optimized modules of the DPSV technique that affected the vanillin peak current and peak potential were pH, pulse amplitude, step potential, and deposition time. The electroactive surface areas of bare CPE, TiO2/CPE, and poly(phenylalanine)/TiO2/CPE electrodes were found to be 0.135 cm2, 0.155 cm2, and 0.221 cm2, respectively. The limit of detection (LOD) was 32.6 μg/L in the 0.25–15.0 mg/L working range at pH 7.0. The selectivity of the proposed DPSV method for the determination of vanillin on the modified electrode was investigated in the presence of various organic and inorganic substances, and the determination of vanillin with high recovery was achieved with less than 5% relative error. The analytical application was applied in chocolate samples and the DPSV method was found highly efficient, reproducible, and selective. |
| Anahtar Kelimeler |
| Comparison of the results | Electrochemical determination | Polymer-based nanosensor | Real sample analysis | Vanillin determination |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale |
| Dergi Adı | Analytical Biochemistry |
| Dergi ISSN | 0003-2697 Wos Dergi Scopus Dergi |
| Dergi Tarandığı Indeksler | SCI-Expanded |
| Dergi Grubu | Q2 |
| Makale Dili | İngilizce |
| Basım Tarihi | 09-2023 |
| Cilt No | 677 |
| Sayı | 115268 |
| Doi Numarası | 10.1016/j.ab.2023.115268 |
| Makale Linki | https://doi.org/10.1016/j.ab.2023.115268 |
| Atıf Sayıları | |
| WoS | 1 |
| SCOPUS | 1 |
| Google Scholar | 4 |
