Regulating detectable optical domain in sensing technology using metal mesh devices and detection of submicron-size particles

Seiji Kamba, Hirokazu Seto, Takashi Kondo, Yoshiko Miura

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A metal mesh device has a structure in which through-holes of the same shape are periodically placed on a thin metal film, and the selection of such a structure makes it possible to sense objects of various sizes. In this study, we showed the structure of the metal mesh device and the relationship between the detectable optical domain and the size of the objects to be measured. In addition, from measurement of changes in electromagnetic wave transmission characteristics of the metal mesh device due to specific adsorption of particles with a mean diameter of 100 nm with surface modification with Streptavidin to a metal mesh device fixed with biotin, we showed that even large particles can be sensed. Based on these examinations, we showed that, by using a metal mesh device with detectable optical domain corresponding to the size of objects, even objects that are larger than protein can be sensed.

Original languageEnglish
Pages (from-to)547-552
Number of pages6
Journalanalytical sciences
Volume34
Issue number5
DOIs
Publication statusPublished - Jan 1 2018

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Metals
Particle size
Electromagnetic wave transmission
Streptavidin
Biotin
Surface treatment
Adsorption
Proteins

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

Regulating detectable optical domain in sensing technology using metal mesh devices and detection of submicron-size particles. / Kamba, Seiji; Seto, Hirokazu; Kondo, Takashi; Miura, Yoshiko.

In: analytical sciences, Vol. 34, No. 5, 01.01.2018, p. 547-552.

Research output: Contribution to journalArticle

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