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<p>Biosensors have become essential tools in biomedical diagnostics, playing a crucial role across a wide range of applications, including disease development, virus detection, environmental monitoring, food safety, and various other diagnostic and therapeutic research areas. Plasmonic resonance has recently become a very promising method for biosensing applications, providing label-free and incredibly sensitive real-time analysis. The quick, real-time, label-free detection of biologically significant analytes is one application where plasmonic biosensing excels. Detecting tiny compounds at extremely low concentrations and creating small devices appropriate for point-of-care (PoC) diagnostics are still the main obstacles, nevertheless. This review highlights the latest trends and innovations in plasmonic biosensing, particularly focusing on new platforms that leverage the unique physicochemical properties and versatility of emerging materials. In addition to the well-established localized surface plasmon resonance (LSPR) technique, three major areas of development are discussed: chiral plasmonics, magnetoplasmonics, and quantum plasmonics. The review emphasizes recent advances in the design and fabrication of portable biosensing devices, particularly those operating with low losses across different frequency ranges, from the infrared to the visible spectrum.</p>

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Emerging Plasmonic Modalities and Advanced Materials for Next-Generation Biosensing

  • 期刊论文

  • 发表日期：

    2025年7月19日

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  • Atiqur Rahman,
  • Pasumarthy Laxmi Gayathri,
  • Ajoy Kumar Nandy,
  • Rajeshwari Chatterjee,
  • Soumili Hait

摘要

Biosensors have become essential tools in biomedical diagnostics, playing a crucial role across a wide range of applications, including disease development, virus detection, environmental monitoring, food safety, and various other diagnostic and therapeutic research areas. Plasmonic resonance has recently become a very promising method for biosensing applications, providing label-free and incredibly sensitive real-time analysis. The quick, real-time, label-free detection of biologically significant analytes is one application where plasmonic biosensing excels. Detecting tiny compounds at extremely low concentrations and creating small devices appropriate for point-of-care (PoC) diagnostics are still the main obstacles, nevertheless. This review highlights the latest trends and innovations in plasmonic biosensing, particularly focusing on new platforms that leverage the unique physicochemical properties and versatility of emerging materials. In addition to the well-established localized surface plasmon resonance (LSPR) technique, three major areas of development are discussed: chiral plasmonics, magnetoplasmonics, and quantum plasmonics. The review emphasizes recent advances in the design and fabrication of portable biosensing devices, particularly those operating with low losses across different frequency ranges, from the infrared to the visible spectrum.