Green MGQD@MIP adsorbent for quercetin detection using a spectrophotometric method
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Summary
This summary is machine-generated.A novel magnetic graphene quantum dots modified with a molecularly imprinted polymer (MGQDs@MIP) adsorbent was developed for selective quercetin detection. This green chemistry approach offers a cost-effective and sustainable method for flavonoid analysis in real-world samples.
Area Of Science
- Analytical Chemistry
- Materials Science
- Green Chemistry
Background
- Quercetin is a bioactive flavonoid with significant health benefits.
- Accurate quantification of quercetin in complex matrices like food and beverages is challenging.
- Development of selective and sensitive analytical methods is crucial for flavonoid analysis.
Purpose Of The Study
- To develop a novel, green adsorbent for the selective detection of quercetin.
- To synthesize magnetic graphene quantum dots modified with a molecularly imprinted polymer (MGQDs@MIP).
- To evaluate the performance of MGQDs@MIP for quercetin extraction and quantification in real samples.
Main Methods
- Synthesis of MGQDs@MIP using an environmentally friendly approach.
- Utilizing quercetin as a template molecule for creating selective binding sites.
- Employing a simple spectrophotometric method for quercetin quantification.
- Validation of the method for complex real samples like black tea, coffee, oregano, and cinnamon.
Main Results
- The MGQDs@MIP adsorbent demonstrated excellent selectivity, sensitivity, and reusability.
- A wide linear detection range (0.01-3.00 µg mL⁻¹) with a high correlation coefficient (R² = 0.9999) was achieved.
- A low detection limit (4.88 ng mL⁻¹) and high recoveries (96.97-102.97%) were obtained.
- Successful application in the analysis of quercetin in various real food samples.
Conclusions
- MGQDs@MIP is a highly effective and selective adsorbent for quercetin detection.
- The developed method aligns with green analytical chemistry principles, offering sustainability.
- This platform provides a cost-effective and efficient solution for flavonoid analysis in complex matrices.
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