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Nanomaterials Used in Fluorescence Polarization Based Biosensors
Yingqi Zhang1, Howyn Tang2, Wei Chen1
1Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada.
International Journal of Molecular Sciences
|August 12, 2022
Summary
This review explores nanomaterials for fluorescence polarization (FP) biosensors, enhancing detection sensitivity and stability. These advanced biosensing systems offer rapid, cost-effective analysis for diagnostics and safety applications.
Area of Science:
- Analytical Chemistry
- Materials Science
- Biotechnology
Background:
- Fluorescence polarization (FP) is a key technique for detecting chemicals and biomolecules.
- Organic dyes have limitations in photostability for FP-based biosensing.
- Inorganic nanomaterials offer enhanced properties for biosensing applications.
Purpose of the Study:
- To review various nanomaterials used in FP-based biosensors.
- To discuss the roles of nanomaterials as fluorescent elements and signal amplifiers.
- To compare FP biosensing with other fluorescence-based techniques.
Main Methods:
- Review of literature on nanomaterials in FP biosensors.
- Analysis of nanomaterial properties (e.g., quantum dots, metallic nanoparticles).
- Discussion of signal amplification strategies in FP systems.
Main Results:
- Inorganic nanomaterials like quantum dots improve photostability in FP biosensing.
- Metallic nanoparticles act as effective signal amplifiers, increasing FP signals.
- Nanomaterial integration enhances sensitivity and cost-effectiveness of FP biosensors.
Conclusions:
- Nanomaterials significantly advance FP-based biosensing capabilities.
- FP biosensors with nanomaterials enable rapid, sensitive, and cost-effective analyte detection.
- These systems hold promise for early-stage diagnosis, food safety, and environmental monitoring.
