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Nanoencapsulated and microencapsulated SERS platforms for biomedical analysis.

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Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Surface-enhanced Raman scattering (SERS) sensors offer high sensitivity for chemical analysis.
  • Pharmaceutical analysis requires robust and reproducible sensing platforms.
  • Current SERS applications face challenges in stability and signal-to-noise ratio.

Purpose of the Study:

  • To discuss the challenges and potential of layer-by-layer (LbL) based SERS sensor applications in pharmaceutical analysis.
  • To explore the fabrication of encapsulated SERS platforms using the LbL method.
  • To investigate the development of multifunctional theranostic systems combining SERS sensing and drug delivery.

Main Methods:

  • Fabrication of SERS platforms using the layer-by-layer (LbL) self-assembly technique.
  • Encapsulation of SERS substrates to enhance stability and reproducibility.
  • Characterization of SERS performance, including enhancement factor and signal/noise ratio.

Main Results:

  • The LbL method enables the fabrication of SERS platforms with high reproducibility of the enhancement factor.
  • Encapsulated SERS sensors demonstrate an increased signal/noise ratio of Raman scattering.
  • The LbL encapsulation approach facilitates the integration of SERS sensing with drug delivery capabilities.

Conclusions:

  • LbL encapsulation is a promising strategy for developing advanced SERS sensors for pharmaceutical analysis.
  • This approach leads to enhanced sensor performance and opens possibilities for theranostic applications.
  • Development in smart multifunctional theranostic systems can benefit personalized medicine and streamline drug development processes.