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optical fiber sensors conference | 1992

Sensitivity Enhancement of Evanescent Wave Immunoassay

Masakazu Yoshida; Kazuhisa Shigemori; Mutsuyuki Sugimura; Masaharu Matano

A fluoro-immunosensor has been developed using evanescent wave technology. Our system uses a disposable device consisting of the waveguide and the flow cell. The effect of an excitation wavelength on the sensitivity of an evanescent wave immunoassay system has been studied experimentally. Background fluorescence from the polymethylmethacrylate Waveguide is reduced by shifting to a longer excitation wavelength. The system using an excitation wavelength of 650 nm is found to possess sensitivity an order of magnitude higher than that obtained in conventional systems.


Archive | 1994

Optical measurement apparatus and method therefor

Masanori Hasegawa; Tomoaki Ueda; Kazuhisa Shigemori; Kenji Masuda; Masakazu Yoshida; Tomomi Sakamoto


Archive | 1995

Optical measurement apparatus

Kazuhisa Shigemori


Archive | 1993

Reaction vessel for optical measurement

Kaori Tosa; Yoshiyuki Hama; Kouichi Yamamoto; Ryuuji A Akiyama; Masakazu Yoshida; Hiroshi Yagi; Kazuhisa Shigemori; Tomomi Sakamoto


Archive | 1994

Optical measurement instrument and method therefor

Masanori Hasegawa; Tomoaki Ueda; Kazuhisa Shigemori; Kenji Masuda; Masakazu Yoshida; Tomomi Sakamoto


Archive | 2007

Formaldehyde detecting material, formaldehyde detector, formaldehyde detecting method and formaldehyde detecting reagent

Haoshen Zhou; Takashi Watanabe; Yoon-Myung Kang; Kazuhisa Shigemori; Kyouhei Murayama


Archive | 1995

Optical measurement method and apparatus thereof

Kazuhisa Shigemori; Kenji Masuda


Archive | 2010

Sleep Determination Apparatus

Takehiko Hiei; Kazuhisa Shigemori


Langmuir | 1997

Interfacial Recognition of Sugar Residues in Block Copolymers by Lectin As Studied by the Multiple Internal Reflection Fluorescence Method

Hiromi Kitano; Yukari Maehara; Masaharu Matano; Mutsuyuki Sugimura; Kazuhisa Shigemori


Archive | 1994

APPARATUS AND METHOD FOR OPTICAL MEASUREMENT

Masanori Hasegawa; Kenji Masuda; Tomoki Sakamoto; Kazuhisa Shigemori; Tomoaki Ueda; Masakazu Yoshida; 智章 上田; 雅一 吉田; 堅司 増田; 和久 重森; 雅典 長谷川; 知己 阪本

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