A Co-Printed Nanoslit Surface Plasmon Resonance Structure in Microfluidic Device for LMP-1 Detection

Shu Cheng Lo, Shao Sian Li, Wen Fai Yang, Kuang Chong Wu, Pei Kuen Wei, Horn Jiunn Sheen, Yu Jui Fan

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This paper reports a novel micro/nanostructure co-hot embossing technique. Gold-capped nanostructures were used as localized surface plasmon resonance (SPR) sensors and were integrated into a microfluidic channel. The advantage of the co-hot embossing technique is that the SPR sensors do not need to be aligned with the microfluidic channel while bonding to it. The integrated SPR sensor and microfluidic channel were first characterized, and the sensitivity of the SPR sensor to the refractive index was found using different concentrations of glycerol solutions. The SPR sensor was also used to quantify latent membrane protein (LMP-1) when modifying anti-LMP-1 at the surface of the SPR sensor. Different concentrations of LMP-1 samples were used to build a calibration curve.

Original languageEnglish
Article number653
JournalBiosensors
Volume12
Issue number8
DOIs
Publication statusPublished - Aug 2022

Keywords

  • hot embossing
  • immunoassay
  • localized surface plasmon resonance (SPR)
  • microfluidics

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biotechnology
  • Biomedical Engineering
  • Instrumentation
  • Engineering (miscellaneous)
  • Clinical Biochemistry

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