ArticleNanoscale advances2025
A highly optimized and sensitive bowtie shape-based SPR biosensor for different analyte detection.
Article in Nanoscale advances, 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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Who cites it
7 citing papers in PubMed.
- Performance improvement of an Au and TiONanoscale advances · 2026Article
- Early cancer biomarker detection using a prism-based multi-resonant Ag/BaTiO₃/BP plasmonic sensor.Scientific reports · 2026Article
- Ultra-sensitive surface plasmon resonance biosensor for non-invasive diabetes monitoring based on 2D nanomaterial heterostructures.Mikrochimica acta · 2026Article
- Surface plasmon resonance biosensors: Advancements, applications, and future directions in molecular detection.Biotechnology notes (Amsterdam, Netherlands) · 2026Review
- Supercell-enhanced multimodal plasmonic sensor for high-fidelity antigen detection via refractive index modulation.Scientific reports · 2025Article
- Advanced SPR-Based Biosensors for Potential Use in Cancer Detection: A Theoretical Approach.Sensors (Basel, Switzerland) · 2025Article
- Design optimization of high-sensitivity PCF-SPR biosensor using machine learning and explainable AI.PloS one · 2025Article
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Authors and funding
6 authors.
Funding
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Abstract
With advancements in photonic technologies, photonic crystal fibers (PCFs) have become crucial components in developing highly sensitive and efficient biosensors. This paper presents an optimized bowtie-shaped PCF biosensor that leverages surface plasmon resonance (SPR) phenomena for enhanced refractive index (RI) sensing. The proposed design uses an external sensing mechanism to effectively characterize performance across an RI range of 1.32 to 1.44. Fabrication is simplified by selecting a large pitch and gold layer height, while performance is enhanced by increasing pitch size, improving the gold layer, and optimizing air hole diameter. Simulations performed using the finite element method in COMSOL Multiphysics v5.4 demonstrate an impressive wavelength sensitivity (WS) of 143 000 nm per RIU and an amplitude sensitivity (AS) of 6242 per RIU. The sensor also exhibits a high resolution of 6.99 × 10
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Registered trials
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