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A potentiometric resolved ratiometric photoelectrochemical aptasensor
Ying Zhang1, Nan Hao, Zhou Zhou
1Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China. wangkun@ujs.edu.cn hn@ujs.edu.cn.
Summary
A new ratiometric photoelectrochemical aptasensor was developed. It uses potentiometric resolved photocurrents from different photoelectrochemical (PEC) active materials for enhanced sensing.
Area of Science:
- Electrochemistry
- Biosensing
- Materials Science
Background:
- Photoelectrochemical (PEC) sensors offer high sensitivity for detecting analytes.
- Ratiometric detection strategies improve accuracy by reducing environmental interference.
- Developing novel PEC sensing platforms is crucial for advanced diagnostics.
Purpose of the Study:
- To design and demonstrate a novel ratiometric photoelectrochemical aptasensor.
- To utilize potentiometric resolved photocurrents for enhanced analytical performance.
- To explore the use of different PEC active materials in a ratiometric setup.
Main Methods:
- Fabrication of a sensor platform incorporating distinct PEC active materials.
- Measurement of photocurrents under potentiometric control.
- Development of a ratiometric signal analysis method based on photocurrents.
Main Results:
- Successful design and implementation of the ratiometric PEC aptasensor.
- Demonstration of potentiometric resolved photocurrents for signal generation.
- Validation of the ratiometric approach for improved sensing accuracy.
Conclusions:
- The developed aptasensor represents a novel ratiometric strategy in PEC sensing.
- Potentiometric resolution of photocurrents offers a promising avenue for enhancing sensor performance.
- This work lays the foundation for advanced aptasensor development using multiple PEC materials.