Multifunctional SERS Chip for Biological Application Realized by Double Fano Resonance
Author Information
Author(s): Wang Huiyang, Wang Yuheng, Liu Shengde, Di Jianglei, Zhong Liyun
Primary Institution: Guangdong University of Technology
Hypothesis
Can a SERS chip with integrated dual Fano resonance enhance the detection of molecular information in biological cells?
Conclusion
The proposed SERS chip significantly enhances Raman signals while minimizing thermal damage and fluorescence background, making it suitable for detecting bioactive samples.
Supporting Evidence
- The dual Fano resonance modes can enhance both the amplitude and range of the Raman signal.
- The first Fano resonance remains stable despite changes in the culture medium's refractive index.
- The second Fano resonance can be tuned independently to enhance Raman Stokes light.
Takeaway
This study created a special chip that helps scientists see tiny details in living cells without hurting them, making it easier to study them.
Methodology
The SERS chips were fabricated using electron beam lithography and characterized using reflection spectra and Raman scattering measurements.
Limitations
The study does not provide specific limitations but acknowledges challenges in integrating multifunctions into a single SERS chip.
Digital Object Identifier (DOI)
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