Recent Progresses in Plasmonic Biosensors for Point-of-Care (POC) Devices: A Critical Review

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The recent progresses in the research of plasmonic phenomena and materials paved the route toward the development of optical sensing platforms based on metal nanostructures with a great potential to be integrated into point-of-care (POC) devices for the next generation of sensing platforms, thus enabling real-time, highly sensitive and accurate diagnostics. In this review, firstly, the optical properties of plasmonic metal nanoparticles will be illustrated, whereafter the engineering of POC platforms, such as microfluidics and readout systems, will be considered with another critical point which is surface functionalization. Attention will also be given to their potential in multiplexed analysis. Finally, the limitations for effective implementation in real diagnostics will be illustrated with a special emphasis on the latest trend in developing cutting-edge sensing systems.

Original languageEnglish
Article number303
Number of pages25
Issue number5
Publication statusPublished - 19 May 2023


  • multiplexed detection
  • plasmonic biosensors
  • POC devices
  • readout systems


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