Osamu Niwa

Shizuo Tokito, Tsukuru Minamiki, Tsuyoshi Minami, 2015, Analytical sciences : the international journal of the Japan Society for Analytical Chemistry.

Selective nitrate detection by an enzymatic sensor based on an extended-gate type organic field-effect transistor.

Shizuo Tokito, Tsukuru Minamiki, Tsuyoshi Minami, 2016, Biosensors & bioelectronics.

Quantitative analysis of reversible diffusion-controlled currents of redox soluble species at interdigitated array electrodes under steady-state conditions

Koichi Aoki, Hisao Tabei, Osamu Niwa, 1988 .

Electroanalysis with interdigitated array microelectrodes

Osamu Niwa, O. Niwa, 1995 .

Separate detection of BTX mixture gas by a microfluidic device using a function of nanosized pores of mesoporous silica adsorbent.

Takeo Yamada, Tsutomu Horiuchi, Itaru Honma, 2002, Analytical chemistry.

On-chip enzyme immunoassay of a cardiac marker using a microfluidic device combined with a portable surface plasmon resonance system.

Ryoji Kurita, Yukari Sato, Osamu Niwa, 2006, Analytical chemistry.

Miniaturized one-chip electrochemical sensing device integrated with a dialysis membrane and double thin-layer flow channels for measuring blood samples.

Ryoji Kurita, Osamu Niwa, R. Kurita, 2006, Biosensors & bioelectronics.

On-line microfluidic sensor integrated with a micro array electrode and enzyme-modified pre-reactor for the real-time monitoring of blood catecholamine

Kenji Sunagawa, Ryoji Kurita, Yuzuru Iwasaki, 2003 .

Enzyme immunoassay of insulin at picomolar levels based on the coulometric determination of hydrogen peroxide

Tomoyuki Yasukawa, Eiji Ohta, Yasuhiro Mie, 2008 .

Application of an absorption-based surface plasmon resonance principle to the development of SPR ammonium ion and enzyme sensors.

Daniel Citterio, Shin-ichi Sasaki, Yuzuru Iwasaki, 2002, Analytical chemistry.

A Label-Free Immunosensor for IgG Based on an Extended-Gate Type Organic Field Effect Transistor

Kenjiro Fukuda, Shizuo Tokito, Daisuke Kumaki, 2014, Materials.

Reductive H2O2 Detection at Nanoparticle Iridium/Carbon Film Electrode and Its Application as L-Glutamate Enzyme Sensor

Ryoji Kurita, Yuzuru Iwasaki, Osamu Niwa, 2004 .

Characterization of a microfluidic device fabricated using a photosensitive sheet

Satoru Kaneko, Takeshi Ito, Seishiro Ohya, 2007 .

Microfluidic device integrated with pre-reactor and dual enzyme-modified microelectrodes for monitoring in vivo glucose and lactate

Ryoji Kurita, Osamu Niwa, Katsuyoshi Hayashi, 2002 .

Portable automatic BTX measurement system with microfluidic device using mesoporous silicate adsorbent with nano-sized pores

Takeo Yamada, Tsutomu Horiuchi, Itaru Honma, 2003 .

Measurement of DNA Amount on Gold Plate Based on the Oxidation Current of Guanine

Soichi Yabuki, Yukari Sato, Osamu Niwa, 2006 .

A surface plasmon resonance immunosensor for detecting a dioxin precursor using a gold binding polypeptide.

Stanley Brown, Toshihiko Imato, Osamu Niwa, 2003, Talanta.

Fiber-optic conical microsensors for surface plasmon resonance using chemically etched single-mode fiber

Tatsuya Tobita, Yuzuru Iwasaki, Osamu Niwa, 2004 .

An amperometric detector formed of highly dispersed Ni nanoparticles embedded in a graphite-like carbon film electrode for sugar determination.

Katsuyoshi Hayashi, Masato Tomita, Osamu Niwa, 2003, Analytical chemistry.

Pd-Ni alloy nanoparticle/carbon nanofiber composites: preparation, structure, and superior electrocatalytic properties for sugar analysis.

Dong Liu, Osamu Niwa, Haoqing Hou, 2014, Analytical chemistry.

Development of electrogenerated chemiluminescence-based enzyme linked immunosorbent assay for sub-pM detection.

Dai Kato, Ryoji Kurita, Osamu Niwa, 2010, Analytical chemistry.

Accurate and reproducible detection of proteins in water using an extended-gate type organic transistor biosensor

Kenjiro Fukuda, Shizuo Tokito, Daisuke Kumaki, 2014 .

Selective detection of L-glutamate using a microfluidic device integrated with an enzyme-modified pre-reactor and an electrochemical detector.

Tsutomu Horiuchi, Katsuyoshi Hayashi, Ryoji Kurita, 2003, Biosensors & bioelectronics.

The highly sensitive detection of catecholamines using a microfluidic device integrated with an enzyme-modified pre-reactor for interferent elimination and an interdigitated array electrode

Kenji Sunagawa, Ryoji Kurita, Yuzuru Iwasaki, 2005 .

Limiting Current Enhancement by Self‐Induced Redox Cycling on a Micro‐Macro Twin Electrode

Tsutomu Horiuchi, Hisao Tabei, Osamu Niwa, 1991 .

Imaging of flow pattern in micro flow channel using surface plasmon resonance

Tsutomu Horiuchi, Tatsuya Tobita, Yuzuru Iwasaki, 2006 .