[16a-K402-1~8] CS.7 Code-sharing Session of 12.6 & 12.7

10:15 AM - 10:45 AM JST(1:15 AM - 1:45 AM UTC)

[16a-K402-5] [The 46th Paper Award Speech] Compact LSPR Biosensor System using Filter-Free Wavelength Sensor

〇Yong Joon Choi¹, Tsugumi Sakae¹, Tomoya Ide¹, Kazuhiro Takahashi¹, Toshihiko Noda¹, Kazuaki Sawada¹ (1.Toyohashi Univ.)

Keywords:

LSPR biosensor,filter-free wavelength sensor,virus detection

A compact localized surface plasmon resonance (LSPR) sensor system integrated with a filter-free wavelength sensor (FFS) for quantitative virus detection methods was demonstrated. The changed transmission spectrum of the LSPR sensor by molecule was measured using an FFS as a transducer without a conventional spectrometer. We designed and fabricated gold nanostructures optimized for virus detection. As the concentration of S-protein RBD changed from 0.1 to 10 ng/ml, the change in the current ratio from 0.012 to 0.094 was obtained by the FFS. We expect a compact and rapid virus detection system with qualitative diagnosis to be realized using the proposed method.