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Labeling and Imaging of Amyloid Plaques in Brain Tissue Using the Natural Polyphenol Curcumin
Published on: November 1, 2019
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Curcumin Is an Iconic Ligand for Detecting Environmental Pollutants
T Devasena1, N Balasubramanian2, Natarajan Muninathan3
1Centre for Nanoscience and Technology, Anna University, Chennai 608002, Tamil Nadu, India.
Bioinorganic Chemistry and Applications
|April 7, 2022
Summary
Curcumin, a natural organic ligand, enhances nanomaterial sensors for detecting environmental pollutants like heavy metals and toxic gases. This review highlights curcumin
Area of Science:
- Environmental Science
- Materials Science
- Analytical Chemistry
Background:
- Industrialization drives environmental contamination, necessitating advanced pollutant detection methods.
- Nanomaterial-based sensors offer proficiency in environmental monitoring.
- Developing effective ligands to boost nanomaterial sensing efficiency remains a key challenge.
Purpose of the Study:
- To review the application of curcumin as a natural fluorophore in optical and electrochemical sensing of environmental pollutants.
- To highlight curcumin's potential in developing sensitive and selective nanomaterial-based sensors.
- To provide references for translating lab-scale concepts into industrial products.
Main Methods:
- Review of existing literature on curcumin-modified nanomaterials for pollutant detection.
- Analysis of curcumin's properties (fluorescence, electrocatalysis, keto-enol tautomerism) for sensing applications.
- Compilation of reported sensing performances (detection limits, selectivity, stability).
Main Results:
- Curcumin, as an organic ligand, enhances nanomaterial adsorption, optical, and electrochemical properties.
- Curcumin probes demonstrate high sensitivity, selectivity, repeatability, and stability in nanosystems.
- Curcumin-based sensors are effective for detecting diverse pollutants including heavy metals (As, Pb, Hg), boron, cyanide, fluoride, nitrophenol, TNT, picric acid, and toxic gases (NH3, HCl).
Conclusions:
- Curcumin is an ideal natural fluorophore for developing robust nanomaterial-based sensors.
- Curcumin-modified nanomaterials show significant promise for practical environmental pollution monitoring.
- Further research focusing on prototype and product development is recommended for industrial application.
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