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Nanophotonic Enhanced Chiral Sensing and Its Biomedical Applications
Fei Wang1,2, Xue Wang3, Xinchao Lu1
1Institute of Microelectronics of the Chinese Academy of Sciences, Beijing 100029, China.
Biosensors
|January 22, 2024
Summary
Nanophotonic platforms enhance chiral sensing by amplifying light-molecule interactions. This review covers superchiral fields and enhanced circular dichroism (CD) spectroscopy for detecting chiral molecules in biology and medicine.
Area of Science:
- Optics and Photonics
- Biochemistry
- Materials Science
Background:
- Chiral sensing is vital in biology and pharmaceuticals due to biomolecules and chiral drugs.
- Detecting trace chiral molecules optically is challenging due to weak light-matter interactions.
Purpose of the Study:
- To review advancements in nanophotonic-enhanced chiral sensing.
- To highlight the role of superchiral near-fields and enhanced circular dichroism (CD) spectroscopy.
- To discuss applications in biomedical fields for disease detection and treatment.
Main Methods:
- Focus on dielectric and plasmonic nanostructures for enhanced chiral sensing.
- Utilizing superchiral near-field generation.
- Employing enhanced circular dichroism (CD) spectroscopy.
Main Results:
- Nanophotonic platforms significantly boost chiral light-matter interactions.
- Superchiral fields and enhanced CD spectroscopy enable sensitive detection.
- Dielectric and plasmonic structures are effective for nanophotonic chiral sensing.
Conclusions:
- Nanophotonic-enhanced chiral sensing offers a promising approach for sensitive detection.
- This technology has significant potential in biomedical applications, including disease diagnosis.
- Further development in nanophotonics can overcome current limitations in chiral sensing.
