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Proceedings Paper

Fourier nanotransducers for phase-sensitive plasmonic biosensing
Author(s): A. V. Kabashin; V. G. Kravets; F. Wu; S. Imaizumi; V. O. Shipunova; S. M. Deyev; A. N. Grigorenko
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Paper Abstract

We present phase-responding Fourier nanotransducers based on plasmonic metamaterials for ultrasensitive control of dynamic characteristics of 2D materials and functional biosensing interfaces. These nanotransducers are designed in such a way that they can confine light in 2D plane contacting with a probed ultrathin sample, gathering information about its properties, and then transmitting the information into discrete optical beams with amplified phase relations. To demonstrate their potential of Fourier transducers in biosensing, we designed Fourier nanotransducers based on periodic gold nanostructures and applied it in a newly developed protocol for the detection of important antibiotic chloramphenicol (CAP). Such biosensing tests showed the lower detection limit at fg mL−1 level, which several orders of magnitude better than reported in the literature. The implementation of Fourier nanotransducers opens new opportunities for a radical improvement of current state-of-the art plasmonic biosensing technology.

Paper Details

Date Published: 2 March 2020
PDF: 8 pages
Proc. SPIE 11269, Synthesis and Photonics of Nanoscale Materials XVII, 112690N (2 March 2020); doi: 10.1117/12.2551438
Show Author Affiliations
A. V. Kabashin, Aix-Marseille Univ., CNRS (France)
MEPHI (Russian Federation)
V. G. Kravets, The Univ. of Manchester (United Kingdom)
F. Wu, The Univ. of Manchester (United Kingdom)
Xi’an Jiaotong Univ. (China)
S. Imaizumi, The Univ. of Manchester (United Kingdom)
Sony Corp. (Japan)
V. O. Shipunova, MEPHI (Russian Federation)
Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS (Russian Federation)
S. M. Deyev, MEPHI (Russian Federation)
Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry RAS (Russian Federation)
A. N. Grigorenko, MEPHI (Russian Federation)


Published in SPIE Proceedings Vol. 11269:
Synthesis and Photonics of Nanoscale Materials XVII
Jan J. Dubowski; David B. Geohegan; Andrei V. Kabashin, Editor(s)

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