BioChip Journal

, Volume 8, Issue 4, pp 289–294

Nanoplasmonic biopatch for in vivo surface enhanced raman spectroscopy

  • Sang-Gil Park
  • Myeong-Su Ahn
  • Young-Jae Oh
  • Minseok Kang
  • Yong Jeong
  • Ki-Hun Jeong
Original Article

DOI: 10.1007/s13206-014-8407-5

Cite this article as:
Park, SG., Ahn, MS., Oh, YJ. et al. BioChip J (2014) 8: 289. doi:10.1007/s13206-014-8407-5

Abstract

Surfaced enhanced Raman scattering (SERS) has been extensively exploited for label-free and non-destructive biochemical detections. Recently diverse SERS substrates have been reported to improve sensitivity of SERS. However, the current platforms still have technical limitation for in vivo applications. Here, we report a nanoplasmonic biopatch of plasmonic nanoparticles physically embedded in highly biocompatible and Raman inactive agarose hydrogel. Molecular diffusion of small molecules such as neurotransmitter through nanoplasmonic biopatch was quantitatively visualized without labeling by using real-time microscopic SERS. In particular, the nano/micro porous structures within agarose hydrogel allow the SERS detection of macromolecules such as amyloid fibrils. This soft SERS platform opens up new opportunities for in vivo SERS applications.

Keywords

Plasmonic nanoparticles In vivo SERS Neurotransmitter Agarose gel Beta-amyloid 

Copyright information

© The Korean BioChip Society and Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Sang-Gil Park
    • 1
  • Myeong-Su Ahn
    • 1
  • Young-Jae Oh
    • 1
  • Minseok Kang
    • 1
  • Yong Jeong
    • 1
  • Ki-Hun Jeong
    • 1
  1. 1.Department of Bio and Brain Engineering and KAIST Institute for Optical Science and TechnologyKorea Advanced Institute of Science and Technology (KAIST)DaejeonKorea

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