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Persistent Luminescence Nanoparticle-Based Biosensors.

Yixuan Chen1, Jiaze Wu1, Jyotiparna Banik1

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Summary
This summary is machine-generated.

Persistent luminescence nanoparticles (PLNPs) offer sensitive, low-background biosensing. This review covers PLNP biosensor construction, applications, and future directions for improved bioanalysis.

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Area of Science:

  • Nanotechnology
  • Biomedical Engineering
  • Analytical Chemistry

Background:

  • Persistent luminescence nanoparticles (PLNPs) exhibit long-lasting afterglow without real-time excitation.
  • This characteristic enables biosensing with minimal background noise, enhancing detection capabilities.
  • PLNPs are advanced optical nanomaterials with significant potential in biological applications.

Purpose of the Study:

  • To review recent advancements in persistent luminescence nanoparticle-based biosensing.
  • To highlight the benefits of persistent luminescence in improving analytical sensitivity, specificity, and simplicity.
  • To discuss challenges and future directions for next-generation PLNP biosensors.

Main Methods:

  • Review of signal transduction mechanisms including luminescence resonance energy transfer, time-gated readout, and ratiometric measurements.
  • Comprehensive discussion of sensing strategies for various analyte classes (biomolecules, small molecules, ions, temperature).
  • Examination of challenges in PLNP synthesis, surface engineering, multiplexing, and biosafety.

Main Results:

  • PLNP biosensing demonstrates improved analytical sensitivity and specificity.
  • Various signal transduction strategies enhance detection capabilities in biological environments.
  • PLNPs are versatile for detecting a wide range of analytes and physiological parameters.

Conclusions:

  • Persistent luminescence nanoparticles are powerful platforms for high-performance biosensing.
  • Further development in synthesis, engineering, and multiplexing will enhance PLNP biosensor capabilities.
  • PLNPs hold significant translational potential for advanced bioanalysis and diagnostics.