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Nanoparticles Based Sensors for Cyanide Ion Sensing, Basic Principle, Mechanism and Applications
Zarif Gul1, Aqsa Iqbal2, Javeria Shoukat2
1Departments of Chemistry, Government Degree College Gulabad, Gulabad, Khyber Pakhtunkhwa, Pakistan.
Critical Reviews in Analytical Chemistry
|December 20, 2023
Summary
Rapidly detecting toxic cyanide ions is crucial for environmental safety. This review highlights advanced nanosensors, comparing their sensitivity and applications for effective cyanide detection.
Area of Science:
- Environmental Science
- Analytical Chemistry
- Materials Science
Background:
- Cyanide detection is vital for ecosystem health.
- Molecular sensors offer visual or fluorescent cyanide detection.
- Nanosensors provide advantages like water solubility and rapid response.
Purpose of the Study:
- To review nanosensor development for cyanide detection (2010-2023).
- To compare nanosensors with molecular sensors.
- To identify research gaps and future directions in cyanide sensing.
Main Methods:
- Review of literature on nanosensors for cyanide ion detection.
- Analysis of sensing mechanisms, focusing on metal nanoparticle interactions.
- Comparison of sensitivity, advantages, and applications of various nanosensors.
Main Results:
- Gold and silver-based nanosensors are common due to high affinity for cyanide.
- Nanosensor fluorescence quenching and restoration upon cyanide interaction is a key mechanism.
- Nanosensors demonstrate excellent sensitivity and rapid detection in environmental samples.
Conclusions:
- Nanosensors offer a promising platform for sensitive and rapid cyanide detection.
- Further research is needed to address identified gaps for enhanced applications.
- Nanosensors show superior performance compared to traditional molecular sensors in specific metrics.
