Research Article
Electrochemically Effective Surface Area of a Polyaniline Nanowire-Based Platinum Microelectrode and Development of an Electrochemical DNA Sensor
Table 2
Comparison of this fabricated DNA sensor with some others in the literature.
| | Surface modification | Synthesis method | Linear range (M) | Detection limit (M) | Reference |
| | PANi NWs | Three-step electrochemical method | 2.25 × 10−12–2.25 × 10−10 | 1.0 × 10−12 | [42] |
| | ERGO/PANi | Drop-casting and electrochemical method | 1.0 × 10−13–1.0 × 10−7 | 3.2 × 10−14 | [29] |
| | PANi/graphene sheets | Electrochemical method and drop-casting | 1.0 × 10−13–1.0 × 10−6 | 1.0 × 10−14 | [44] |
| | Sm2O3 NPs-rGO/PANi | Chemical method and drop-casting | 1.0 × 10−13–1.0 × 10−8 | 1.3 × 10−14 | [45] |
| | Graphene sheets-chitosan /PANi/AuNPs | Drop-casting and electrochemical method | 1.0 × 10−11–1.0 × 10−9 | 2.11 × 10−12 | [46] |
| | PANi NWs | One-step electrochemical method | 1.0 × 10−13–1.0 × 10−8 | 2.48 × 10−14 | This work |
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