ArticleScientific reports2025
Development of an advanced multimode refractive index plasmonic optical sensor utilizing split ring resonators for brain cancer cell detection.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Tailoring Plasmonic Waveguide-Coupled Cavities for COACS omega · 2026Article
- Machine learning-enhanced multi-band metamaterial sensor for early detection of neurological disorders.Scientific reports · 2026Article
- Machine learning-assisted optimization of a terahertz photonic metamaterial absorber for blood cancer detection.PloS one · 2026Article
- Development of a high-sensitivity multimode graphene-based metamaterial biosensor with a double-split elliptical resonator for refractive index sensing and biomedical applications.Scientific reports · 2025Article
- Next-generation COVID-19 detection using a metasurface biosensor with machine learning-enhanced refractive index sensing.Scientific reports · 2025Article
- Enhanced absorption in organic solar cells via combined anti-reflection and Mie resonance effects in subwavelength ellipsoidal dielectric nanostructures.Scientific reports · 2025Article
- Graphene metasurfaces biosensor for COVID-19 detection in the infra-red regime.Scientific reports · 2025Article
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3 authors.
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Abstract
In this paper, we propose and theoretically investigate a novel multimode refractive index (MMRI) plasmonic optical sensor for detecting various brain cancer cells, leveraging the unique capabilities of split ring resonators (SRRs). The sensor, simulated using the finite-difference time-domain (FDTD) method, exhibits dual resonance modes in its reflection spectrum within the 1500 nm to 3500 nm wavelength range, marking a significant advancement in multimode plasmonic biosensing. Through detailed parametric analysis, we optimize critical dimensional parameters to achieve superior performance. The novelty of this work lies in the dual-mode sensing mechanism, which enables robust detection by exploiting the resonance characteristics of gold, silver, and aluminum. These materials provide tunable and highly sensitive interactions with light, enhancing the sensor's adaptability for a wide range of applications. The results reveal exceptional sensitivity values of 1778.3 nm/RIU, a limit of detection (LOD) of 0.016 RIU, and a high figure of merit (FOM) of 7 RIU
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