Search Results - "NIWA, Osamu"

Fabrication of Biosensing Interface with Monolayers by TANAKA, Mutsuo, NIWA, Osamu

“…Surface modification is recognized as one of the fundamental techniques to fabricate biosensing interfaces. This review focuses on the surface modification of…”
Get full text

Accurate and reproducible detection of proteins in water using an extended-gate type organic transistor biosensor by Minamiki, Tsukuru, Minami, Tsuyoshi, Kurita, Ryoji, Niwa, Osamu, Wakida, Shin-ichi, Fukuda, Kenjiro, Kumaki, Daisuke, Tokito, Shizuo

“…In this Letter, we describe an accurate antibody detection method using a fabricated extended-gate type organic field-effect-transistor (OFET), which can be…”
Get full text

Artificial Modification of an Enzyme for Construction of Cross-Reactive Polyion Complexes To Fingerprint Signatures of Proteins and Mammalian Cells by Tomita, Shunsuke, Niwa, Osamu, Kurita, Ryoji

“…A novel strategy for construction of cross-reactive enzyme-based sensors have been developed based on chemical modification of lysine ε-NH3 + groups in…”
Get full text

Electroanalysis with New Electrode Materials and Advanced Electrochemical Devices by Niwa, Osamu

Get full text

Selective nitrate detection by an enzymatic sensor based on an extended-gate type organic field-effect transistor by Minami, Tsuyoshi, Sasaki, Yui, Minamiki, Tsukuru, Wakida, Shin-ichi, Kurita, Ryoji, Niwa, Osamu, Tokito, Shizuo

“…First selective nitrate biosensor device based on an extended-gate type organic field-effect transistor (OFET) is reported. The fabricated sensor device…”
Get full text

DNA Methylation Analysis Triggered by Bulge Specific Immuno-Recognition by Kurita, Ryoji, Niwa, Osamu

“…We report the sequence-selective discrimination of the cytosine methylation status in DNA with anti methylcytosine antibody for the first time. This was…”
Get full text

Porous gold nanomesh films electrodeposited in toluene-based dynamic soft template by Shiba, Shunsuke, Yoshimoto, Soichiro, Hashiguchi, Shunta, Kunitake, Masashi, Kato, Dai, Niwa, Osamu, Matsuguchi, Masanobu

“…Two-dimensional (2D) metallic nanomaterials have received much attention as next-generation materials. The creation of the characteristic pores into 2D…”
Get full text

Structure and Electrochemical Performance of Nitrogen-Doped Carbon Film Formed by Electron Cyclotron Resonance Sputtering by Kamata, Tomoyuki, Kato, Dai, Hirono, Shigeru, Niwa, Osamu

“…A nitrogen-doped nanocarbon film electrode with mixed sp2 and sp3 bonds formed using the electron cyclotron resonance (ECR) sputtering method was studied with…”
Get full text

Vertically Oriented Metallic Heterodimer Array Semiembedded in Flat Conductive Carbon Film for Electrochemical Application by Shiba, Shunsuke, Koike, Ayaka, Takahashi, Shota, Kato, Dai, Kamata, Tomoyuki, Niwa, Osamu

“…General synthesis of a highly oriented metallic heterodimer array based on a selective electrodeposition technique onto a metal nanoparticle-embedded carbon…”
Get full text

Structure and electrochemical characterization of carbon films formed by unbalanced magnetron (UBM) sputtering method by Kamata, Tomoyuki, Kato, Dai, Ida, Hideo, Niwa, Osamu

“…We previously reported nanocarbon films formed by the electron cyclotron resonance (ECR) sputtering method. The films contain a nanocrystalline structure…”
Get full text

Pd–Ni Alloy Nanoparticle/Carbon Nanofiber Composites: Preparation, Structure, and Superior Electrocatalytic Properties for Sugar Analysis by Guo, Qiaohui, Liu, Dong, Zhang, Xueping, Li, Libo, Hou, Haoqing, Niwa, Osamu, You, Tianyan

“…Novel Pd–Ni alloy nanoparticle/carbon nanofiber (Pd–Ni/CNF) composites were successfully prepared by a simple method involving electrospinning of precursor…”
Get full text

Sputter Deposited Nanocarbon Film Electrodes for Electrochemical Analysis of Biomolecules by NIWA, Osamu, OHTA, Saki, SHIBA, Shunsuke, KATO, Dai, KURITA, Ryoji

“…Carbon-based electrode materials have been widely applied for the electrochemical analysis of biomolecules. In addition to traditional carbon electrodes such…”
Get full text

Electrochemistry in bicontinuous microemulsions derived from two immiscible electrolyte solutions for a membrane-free redox flow battery by Nakao, Kodai, Noda, Koji, Hashimoto, Hinako, Nakagawa, Mayuki, Nishimi, Taisei, Ohira, Akihiro, Sato, Yukari, Kato, Dai, Kamata, Tomoyuki, Niwa, Osamu, Kunitake, Masashi

“…[Display omitted] Bicontinuous microemulsions (BMEs) have attracted attention as unique heterogeneous mixture for electrochemistry. An interface between two…”
Get full text

Study of the More Suitable Drugs and Dosage Forms for Administration to Newborn Infants via Feeding Tube Using the Collection Rate as an Indicator by Shimizu, Yoshihito, Taga, Masatoshi, Takahashi, Yoshimitsu, Tada, Iku, Takase, Fumiyuki, Niwa, Osamu, Masauji, Togen

“…The dosages of drugs in newborn infants are small. Small dose necessitate consideration of the loss of drug when administered via feeding tube. In this study,…”
Get full text

Factors Affecting Incomplete L5/S Posterior Lumbar Interbody Fusion, Including Spinopelvic Sagittal Parameters by Kato, Shinichi, Terada, Nobuki, Niwa, Osamu, Yamada, Mitsuko

“…Retrospective observational study. In this study we identify risk factors, including patient demographics, sagittal parameters, and clinical examinations,…”
Get full text

A polyion complex sensor array for markerless and noninvasive identification of differentiated mesenchymal stem cells from human adipose tissue by Tomita, Shunsuke, Sakao, Miho, Kurita, Ryoji, Niwa, Osamu, Yoshimoto, Keitaro

“…Currently available methods for stem cell evaluation require both prior knowledge of specific markers and invasive cell lysis or staining, hampering the…”
Get full text

Hybrid Carbon Film Electrodes for Electroanalysis by NIWA, Osamu, OHTA, Saki, TAKAHASHI, Shota, ZHANG, Zixin, KAMATA, Tomoyuki, KATO, Dai, SHIBA, Shunsuke

“…Carbon materials have been widely used for electrochemical analysis and include carbon nanotubes, graphene, and boron-doped diamond electrodes in addition to…”
Get full text

Risk Factors Affecting Cage Retropulsion into the Spinal Canal Following Posterior Lumbar Interbody Fusion: Association with Diffuse Idiopathic Skeletal Hyperostosis by Kato, Shinichi, Terada, Nobuki, Niwa, Osamu, Yamada, Mitsuko

“…This was a retrospective observational study. We identify risk factors, including physical and surgical factors, and comorbidities affecting cage retropulsion…”
Get full text

Plasma-Treated Sputtered Nanocarbon Film Electrodes for Suppressing Electrochemical Fouling by Serotonin by OHTA, Saki, SHIBA, Shunsuke, YAJIMA, Tatsuhiko, NIWA, Osamu

“…The fouling of electrodes with large molecules and/or electrochemically oxidized biomolecules limits the potential applications of bioelectroanalysis. The…”
Get full text

A Nanocarbon Film Electrode as a Platform for Exploring DNA Methylation by Kato, Dai, Sekioka, Naoyuki, Ueda, Akio, Kurita, Ryoji, Hirono, Shigeru, Suzuki, Koji, Niwa, Osamu

“…We describe the quantitative nonlabel electrochemical detection of both cytosine (C) and methylcytosine (mC) in oligonucleotides using newly developed…”
Get full text