Publications|Niwa group

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2023

Zixin Zhang, Hongchen Guo, Yuugo Hirai, Katsunori Takeda, Chiho Asai, Naohiro Takamura, Osamu Niwa,A Novel Polyurethane-Based Polyion Complex Material with Tunable Selectivity against Interferents for Selective Dopamine Determination,Biosensors2023, 13(6), 638[Link]
Kodai Nakao, Koji Noda, Hinako Hashimoto, Mayuki Nakagawa, Taisei Nishimi, Akihiro Ohira, Yukari Sato, Dai Kato, Tomoyuki Kamata, Osamu Niwa, Masashi Kunitake,Electrochemistry in bicontinuous microemulsions derived from two immiscible electrolyte solutions for a membrane-free redox flow battery,Journal of Colloid and Interface Science, 641, 348-358 (2023)[Link]

2022

Sho Narafu, Yoshinori Takashima, Osamu Niwa, Tatsuhiko Yajima, Yuko Ueno, Electrochemical analysis of ferrocene in bicontinuous microemulsions using β-cyclodextrin modified monolayer graphene electrodes, Journal of Electroanalytical Chemistry, 2022, 920, 116575[Link]
Shunsuke Shiba, Soichiro Yoshimoto, Shunta Hashiguchi, Masashi Kunitake, Dai Kato, Osamu Niwa, Masanobu Matsuguchi, Porous gold nanomesh films electrodeposited in toluene-based dynamic soft template, Electrochimica Acta, 2022, 426, 140761[Link]
Shunsuke Shiba, Ayaka Koike, Shota Takahashi, Dai Kato, Tomoyuki Kamata, Osamu Niwa, Vertically Oriented Metallic Heterodimer Array Semiembedded in Flat Conductive Carbon Film for Electrochemical Application, ACS Nano, 2022, 16, 10589-10599[Link]
Ryota Tango, Aya Koeda, Kuniaki Nagamine, Shizuo Tokito, Osamu Niwa, Shigeo Ishikawa, Masahiro Sugimoto, Development of a highly sensitive prussian-blue-based enzymatic biosensor for L-carnitine employing the thiol/disulfide exchange reaction, Analytical Sciences 2022, 38, 963-968[Link]
ZixinZhang, SakiOhta, ShunsukeShiba, Osamu NIWA, Nanocarbon film electrodes for electro-analysis and electrochemical sensors,Current Opinion in Electrochemistry 2022, 35, 101045[Link]
Takuma Sakaki, Kaori Masuda, Zixin Zhang, Tatsuhiko Yajima, Hijiri Hasegawa, Yeji Kim, Osamu NIWA, Quantitative Evaluation of DNA Probe Density by Electrochemical Surface Plasmon Resonance Measurement,Sensors and Materials 2022, 34, 927-936[Link]

2021

太田早紀, 芝駿介, 鎌田智之, 加藤大, 矢嶋龍彦, 丹羽修, 窒素化ナノカーボン薄膜の構造,電気化学特性と分析への応用,分析化学 2021, 70(9), 511-520
Jiawei Li, Qiang Xue, Tao Chen, Fei Liu, Qun Wang, Chunwen Chang, Xiaohua Lu, Taogeng Zhouf and Osamu Niwa, The influence mechanism of the molecular structure on the peak current and peak potential in electrochemical detection of typical quinolone antibiotics,Physical Chemistry Chemical Physics 2021, 23, 13873-13877[Link]
丹羽修, 加藤大, 芝駿介, ナノカーボン薄膜電極を用いる電気化学測定法,電気化学 2021, 89(2), 167-177[Link]
Shunsuke Shiba, Saki Ohta, Kazuya Ohtani, Shota Takahashi, Dai Kato and Osamu Niwa, Supporting effects of a N-doped carbon film electrode on an electrodeposited Ni@Ni(OH)2 core–shell nanocatalyst in accelerating electrocatalytic oxidation of oligosaccharides,RSC Advances2021, 11, 13311-13315[Link]
高橋将太, 栁澤博幸, 鎌田智之, 加藤大, 栗田僚二, 芝駿介, 丹羽修, カーボン薄膜電極を用いる重金属イオンの高感度電気化学検出,分析化学 2021, 70(3), 101-109[Link]
Zixin ZHANG, Saki OHTA, Tatsuhiko YAJIMA, Yoichi HIRUKAWA, Osamu NIWA, The basic electrochemical properties and structure of direct current magnetron sputtered carbon films,Electrochemistry 2021, 89(2), 162-166[Link]
Osamu Niwa, Saki Ohta, Shota Takahashi, Zixin Zhang , Tomoyuki Kamata, Dai Kato and Shunsuke Shiba, Hybrid Carbon Film Electrodes for Electroanalysis,Analytical Sciences 2021, 37(1), 37-47[Link]
Tanaka Mutsuo and Niwa Osamu,Fabrication of biosensing interface with monolayers,Analytical Sciences 2021,37(5),673-682[Link]

2020

Hinako Hashimoto, Kyosei Goto, Kouhei Sakata, Satoshi Watanabe, Tomoyuki Kamata, Dai Kato, Osamu Niwa, Eisuke Kuraya, Taisei Nishimi, Mitsunobu Takemoto, and Masashi Kunitake,Stand-alone semi-solid-state electrochemical systems based on bicontinuous microemulsion gel films,Analytical Chemistry 2020, 92, 14031-14037[Link]
Shiba Shunsuke, Hirabayashi Shoei,Niwa Osamu,Kato Dai, Kunitake Masashi, Matsuguchi Masanobu,Monolithic Au Nanoscale Films with Tunable Nanoporosity Prepared via Dynamic Soft Templating for Electrocatalytic Oxidation of Methanol,ACS Applied Nano Materials 2020, 3, 7750-7760[Link]
Saki Ohta,Shunsuke Shiba,Tatsuhiko Yajima, Osamu Niwa ,Plasma-Treated Sputtered Nanocarbon Film Electrodes for Suppressing Electrochemical Fouling by Serotonin,Electrochemistry 2020, 88, 387-391[Link]
Zixin Zhang, Osamu Niwa, Shunsuke Shiba, Shizuo Tokito, Kuniaki Nagamine, Shigeo Ishikawa, Masahiro Sugimoto ,Electrochemical enzyme biosensor for carnitine detection based on cathodic stripping voltammetry, Sensors and Actuators B:Chemical2020, 321(15), 128473[Link]

2019

Saki Ohta,Shunsuke Shiba,Tatsuhiko Yajima, Tomoyuki Kamata, Dai Kato and Osamu Niwa, Gas-phase Treatment Methods for Chemical Termination of Sputtered Nanocarbon Film Electrodes to Suppress Surface Fouling by Proteins, Journal of Photopolymer Science and Technology 2019, 32, 523-528.[Link]
Shunsuke Shiba,Shota Takahashi,Tomoyuki Kamata, Hiromitsu Hachiya, Dai Kato and Osamu Niwa, Selective Au Electrodeposition on Au Nanoparticles Embedded in Carbon Film Electrode for Se(IV) Detection, Sensors and Materials 2019,31(4), 1135-1146.
Ryoji Kurita , Osamu Niwa and Yuko Ueno, Development of portable immunoassay device for future internet of things applications in Chemical, Gas, and Biosensors for Internet of Things and Related Applications ISBN:978-0-12-815409-0, 2019, 87-103
Tomoyuki Kamata, Dai Kato and Osamu Niwa,Electrochemical performance at sputter-deposited nanocarbon film with different surface nitrogencontaining groups,Nanoscale2019, 11, 10239
Tomoyuki Kamata, Michinori Sumimoto, Shunsuke Shiba, Ryoji Kurita, Osamu Niwa and Dai Kato, Increased electrode activity during geosmin oxidation provided by Pt nanoparticle-embedded nanocarbon film, Nanoscale2019, 11, 8845
加藤　大, 丹羽　修, sp2/sp3 結合比を制御したスパッタナノカーボン薄膜電極, 高分子 68 巻 6月号(2019 年) 305

2018

Dai Kato, Yoshio Suzuki, Kyoko Yoshioka, Tomoyuki Kamata, Masami Todokoro and Osamu Niwa, Amplified Zinc Signal at a Nanocarbon Film Electrode for Lipopolysaccharide Detection, ACS Applied Nano Materials 2018, 1(10), 5425-5429. [Link]
加藤大、鎌田智之、栗田僚二, 吉岡恭子、芝駿介、藏屋英介、國武雅司、丹羽修, 電気化学分析の可能性を拡げるナノカーボン薄膜電極の開発, BUNSEKI KAGAKU 2018, 67, 635-645.[Link]
Shunsuke Shiba, Rina Maruyama, Tomoyuki Kamata, Dai Kato and Osamu Niwa, Chromatographic determination of sugar probes used for gastrointestinal permeability test by employing nickel-copper nanoalloy embedded in carbon film electrodes, Electroanalysis 2018, 30, 1407-1415.[Link]

2017

Ryoji Kurita, Hiroyuki Yanagisawa, Tomoyuki Kamata, Dai Kato and Osamu Niwa, On-Chip Evaluation of DNA Methylation with Electrochemical Combined Bisulfite Restriction Analysis Utilizing a Carbon Film Containing a Nanocrystalline Structure, Analytical Chemistry 2017, 89(11), 5976-5982. [Link]
Mustuo Tanaka, Takahiro Sawaguchi, Yoshiki Hirata, Osamu Niwa, Keiko Tawa, Chisato Sasakawa, Koji Kuraoka, Properties of modified surface for biosensing interface, J. Colloid and Interface Sci. 2017, 497, 309-316. [Link]
冨田峻介, 吉本敬太郎, 丹羽修, 栗田僚二, 交差反応的光学フィンガープリンティングを利用するタンパク質センシング, Bunseki Kagaku 2017, 66(1), 1-10. [Link]
Shunsuke Tomita, Osamu Niwa, Ryoji Kurita, Artificial modification of an enzyme for construction of cross-reactive polyion complexes to fingerprint signatures of proteins and mammalian cells", Analytical Chemistry 2017, 88(18), 9079-9086. [Link]

2016

Tsukuru Minamiki, Tsuyoshi Minami, Yui Sasaki, Shin-ichi Wakida, Ryoji Kurita, Osamu Niwa, Shizuo Tokito, Label-free detection of human glycoprotein(CgA) using an extended-gate organic transistor-based immunosensor, Sensors 2016, 16(12), 2033. [Link]
Ryoji Kurita, Osamu Niwa, Microfluidic platforms for DNA methylation analysis, Lab on a Chip 2016, 16(19), 3631-3644. [Link]
Shunsuke Shiba, Dai Kato, Tomoyuki Kamata and Osamu Niwa, Co-sputter deposited Nickel-Copper bimetallic nanoalloy embedded carbon films for electrocatalytic biomarker detection, Nanoscale 2016, 8, 12887-12891. [Link]
Masashi Kunitake, Eisuke Kuraya, Dai Kato, Osamu Niwa and Taisei Nishimi, Electrochemistry in bicontinuous microemulsions based on control of dynamic solution structures on electrode surfaces, Current Opinion in Colloid & Interface Science 2016, 25, 13-26. [Link]
Shunsuke Shiba, Kyoko Yoshioka, Dai Kato, Sayaka Ishihara, Hiroaki Anzai, Nobutoshi Saito and Osamu Niwa, Electrochemical microfluidic devices for evaluation of drug metabolism, Journal of Electroanalytical Chemistry 2016, 779, 86-91.[Link}
Daiki Kato, Tomoyuki Kamata, Dai Kato, Hiroyuki Yanagisawa, Osamu Niwa, Au nanoparticle-embeded carbon films for electrochemical As³⁺ detection with high sensitivity and stability, Analytical Chemistry 2016, 88, 2944-2951.[Link]
Tsuyoshi Minami, Yui Sasaki, Tsukuru Minamiki, Shin-ichi Wakida, Ryoji Kurita, Osamu Niwa, Shizuo Tokito, Selective nitrate detection by an enzyme sensor based on a extended-gate type organic field-effect transistor, Biosensors and Bioelectronics 2016, 81, 87-91.[Link]
Eisuke Kuraya, Shota Nagatomo, Kouhei Sakata, Dai Kato, Osamu Niwa, Taisei Nishimi, Masashi Kunitake, Direct analysis of lipophilic antioxidants of olive oils using bicontinuous microemulsions, Analytical Chemistry 2016, 88. 1202-1209[Link]
Atsumu Oda, Dai Kato, Kyoko Yoshioka, Mutsuo Tanaka, Tomoyuki Kamata, Masami Todokoro, Osamu Niwa, Fluorinated nanocarbon film electrode capable of signal amplification for lipopolysaccharide detection, Electrochimica acta 2016, 197, 152-158.[Link]

2015

Ryoji Kurita, Hiroyuki Yanagisawa, Kyoko Yoshioka, Osamu Niwa, On-Chip Sequence-Specific Immunochemical Epigenomic Analysis utilizing Outward Turned Cytosine in a DNA Bulge with Handheld Surface Plasmon Resonance Equipment, Analytical Chemistry 2015, 87, 11581-11586. [Link]
丹羽修, 加藤大, 鎌田智之, 国武雅司, スパッタナノカーボン薄膜材料を応用したバイオセンサ, 応用物理, 第84巻, 10号, 908-912 (2015).
Hiroyuki Yanagisawa, Ryoji Kurita, Takehito Yoshida, Tomoyuki Kamata, Osamu Niwa, Electrochemical assessment of local cytosine methylation in genomic DNA on a nanocarbon film electrode fabricated by unbalanced magnetron sputtering, Sensors and Actuators B 2015, 221, 816-822.[Link]
Ryoji Kurita, Hiroyuki Yanagisawa, Kyoko Yoshioka, Osamu Niwa, Site-specific immunochemical methylation assessment from genome DNA utilizing a conformational difference between looped-out target and stacked-in nontarget methylcytosines, Biosensors & Bioelectronics 2015, 70, 366-371.[Link]
Hiroyuki Yanagisawa, Ryoji Kurita, Tomoyuki Kamata, Kyoko Yoshioka, Dai Kato, Ayumi Iwasawa, Tetsuya Nakazato, Masaki Torimura, Osamu Niwa, Effect of the sp²/sp³ ratio in a hybrid nanocarbon thin film electrode for anodic stripping voltammetry fabricated by unbalanced magnetron sputtering equipment, Analytical Sciences, 31(7), 635-641 (2015).[Link]
Tomoyuki Kamata, Dai Kato, Shigeru Umemura, Osamu Niwa, Structure and electroanalytical application of nitrogen-doped carbon thin film electrode with lower nitrogen concentration, Analytical Sciences 2015, 31(7), 651-656.[Link]
Tsukuru Minamiki, Tsuyoshi Minami, Yui Sasaki, Ryoji Kurita, Osamu Niwa, Shin-ichi Wakida, Shizuo Tokito, An Organic Field-effect Transistor with an Extended-gate Electrode Capable of Detecting Human Immunoglobulin A, Analytical Sciences 2015, 31(7), 725-728.[Link]
Wataru Iwasaki, Rao Ramachandra Sathuluri, Osamu Niwa, Masaya Miyazaki, Influence of contact force on electrochemical responses of redox species flowing in nitrocellulose membrane at micropyramid array electrode, Analytical Sciences 2015, 31(7), 729-732.[Link]
Shunsuke Shiba, Junji Inoue, Dai Kato, Kyoko Yoshioka, Osamu Niwa, Graphene modified electrode for the direct electron transfer of bilirubin oxidase, Electrochemistry 2015, 83(5), 332-334.[Link]
Eisuke Kuraya, Shota Nagatomo, Kouhei Sakata, Dai Kato, Osamu Niwa, Taisei Nishimi, Masashi Kunitake, Simultaneous electrochemical analysis of hydrophilic and lipophilic antioxidants in bicontinuous microemulsion, Analytical Chemistry 2015, 87(3), 1489-1493.[Link]
Shunsuke Tomita, Miho Sakano, Ryoji Kurita, Osamu Niwa, Keitaro Yoshimoto, A polyion complex sensor array for markerless and noninvasive identification of differentiated mesenchymal stem cells from human adipose tissue, Chemical Science 2015, 6(10), 5831-5836.[Link]

2014

Hiroyuki Yanagisawa, Ryoji Kurita, Tomoyuki Kamata, Dai Kato, Osamu Niwa, Anodic stripping voltammetric determination of Cd and Pb with nanocarbon film electrode fabricated by unbalanced magnetron sputtering, Electrochemistry 2014, 82(11), 949-953.[Link]
Tomoyuki Kamata, Dai Kato, Hideo Ida, Osamu Niwa, Structure and electrochemical characterization of carbon films formed by unbalanced magnetron (UBM) sputtering methods, Diamond Related Materials 2014, 49, 25-32.[Link]
Tsukuru Minamiki, Tsuyoshi Minami, Ryoji Kurita, Osamu Niwa, Shin-ichi Wakida, Kenichiro Fukuda, Daisuke Kumaki, Shizuo Tokito, A label-free immunosensor for IgG based on an extended-gate type organic field effect transistor, Materials 2014, 7(9), 6843-6852.[Link]
Tsukuru Minamiki, Tsuyoshi Minami, Ryoji Kurita, Osamu Niwa, Shin-ichi Wakida, Kenichiro Fukuda, Daisuke Kumaki, Shizuo Tokito, Accurate and reproducible detection of proteins in water using an extended gate type organic transistor biosensor, Applied Physics Letter 2014, 104(24), 243703.[Link]
Qiaohui Guo, Dong Liu, Xueping Zhang, Libo Li, Haoqing Hou, Osamu Niwa, Tianyan You, Pd-Ni alloy nanoparticles/carbon nanofiber composite: Preparation, structure, and superior electrocatalytic properties for sugar analysis, Analytical Chemistry 2014, 86(12), 5898-5905.[Link]
Dong Liu, Qiaohui Guo, Haoqing Hou, Osamu Niwa, Tianyan You, PdxCoy nanoparticle/carbon nanofiber composites with enhanced electrocatalytic properties, ACS Catalysis 2014, 4(6), 1825-1829.[Link]
Kyoko Yoshioka, Dai Kato, Tomoyuki Kamata, Osamu Niwa, High performance of DET-type bioelectrocatalysisof cytochrome c on indium tin oxide film electrode with enzyme-sized nanostructure, Electrochemistry 2014, 82(5), 322-324.[Link]
Dai Kato, Atsumu Oda, Mustuo Tanaka, Seiichiro Iijima, Tomoyuki Kamata, Makoto Todokoro, Yasuo Yoshimi, Osamu Niwa, Poly-e-Lysine modified nanocarbon film electrodes for LPS detection, Electroanalysis 2014, 26(3), 618-624[Link]
Yukari Sato, Kyoko Yoshioka, Teiichi Murakami, Mutsuo Tanaka, Osamu Niwa, Thick-matrix-free interface for highly effective protein detection and sufficient signal enhancement, Composite Interface 2014, 21(7), 631-638.[Link]
鎌田智之, 加藤大, 丹羽修, バイオセンサ応用を目的としたスパッタナノカーボン薄膜電極の開発, 炭素（TANSO）, No.264, 133-139 (2014).[Link]

2013

Kyoko Yoshioka, Dai Kato, Tomoyuki Kamata, Osamu Niwa, Cytochrome P450 modified polycrystalline indium tin oxide film as a drug metabolizing electrochemical biosensor with a simple configuration, Analytical Chemistry 2013, 85(21), 9996-9999.[Link]
Tomoyuki Kamata, Dai Kato, Shigeru Hirono, Osamu Niwa, Structure and electrochemical performance of nitrogen-doped carbon film formed by electron cyclotron resonance sputtering, Analytical Chemistry 2013, 85(20), 9845-9851.[Link]
Ryoji Kurita, Hiroyuki Yanagisawa, Osamu Niwa, Indoor allergen assessment quantified by a thin-layer electrochemical cell and magnetic beads, Biosensors and Bioelectronics 2013, 48, 43-48.[Link]
Mutsuo Tanaka, Kyoko Yoshioka, Yoshiki Hirata, MakotoFujimaki, M. Kuwahara, Osamu Niwa, Design and fabrication of biosensing interface for waveguide-mode sensor, Langmuir 2013, 27(42), 13111-13120.[Link]
Qiang Xu, Dai Kato, Tomoyuki Kamata, Qiaohui Guo, Tianyan You, Osamu Niwa, Human cytochrome P450 3A4 and a carbon nanofiber modified film electrode as a platform for the simpleof drug metabolism and inhibition reactions evaluation, Analyst 2013, 138, 6463-6468.[Link]
Qiang Xu, Dai Kato, Tomoyuki Kamata, Qiaohui Guo, Tianyan You, Osamu Niwa, Improved direct electrochemistry for proteins adsorbed on a UV/ozone-treated carbon nanofiber electrode, Analytical Sciences 2013, 29(6), 611-618.[Link]
Mutsuo Tanaka, Takahiro Sawaguchi, Yukari Sato, Kyoko Yoshioka, Osamu Niwa, Surface modification of silicon oxide with trialkoxysilanes toward close-packed monolayer formation, Langmuir 2013, 27(21), 6361-6368.[Link]
Dai Kato, Osamu Niwa, Carbon-based electrode materials for DNA electroanalysis, Analytical Sciences 2013, 29(4), 385-392.[Link]
Satoshi Yamamura, Masamitsu Hoshikawa, Dai Kato, Hiromitsu Saito, Noboru Suzuki, Osamu Niwa, Motohiro Okada, ONO-2506 inhibits spike-wave discharges in a genetic animal model without affecting traditional convulsive tests via gliotransmission regulation, British Journal of Pharmacology 2013, 168(5), 1088-1100.
丹羽修, 加藤大, 鎌田智之, 栗田僚二, 廣野　滋, ナノカーボン薄膜を利用した機能性電極創成とバイオセンシング, Electrochemistry 2013, 81(1), 36-42.[Link]

2012

Tomoyuki Kamata, Osamu Niwa, Shigeru Umemura, Shigeru Hirono, The structure and bonding state for fullerene-like carbon nitride films with high hardness formed by electron cyclotron resonance sputtering, Japanese Journal of Applied Physics 2012, 51(12), 125602.
Dai Kato, Michinori Sumimoto, Akio Ueda, Shigeru Hirono, Osamu Niwa, Evaluation of electrokinetic parameters for all DNA bases with sputter deposited nanocarbon film electrode, Analytical Chemistry 2012, 84(17) 10607-10613.
Ryoji Kurita, Osamu Niwa, DNA methylation analysis triggered by bulge specific immuno- recognition, Analytical Chemistry 2012, 84(24) 7533-7538.
Qiang Xu, Dai Kato, Tomoyuki Kamata, Shigeru Umemura, Shigeru Hirono, Osamu Niwa, Electrochemical properties and biomolecule adsorption at ECR-sputtered nanocarbon film electrode compared with DLC and GC electrodes, Japanese Journal of Applied Physics 2012, 51(9), 09124.
Yulin Chen, Kohei Nakamoto, Osamu Niwa, Robert. M. Corn, On-chip synthesis of RNA aptamer microarrays for multiplexed protein biosensing with SPR imaging measurements, Langmuir 2012, 28(22), 8281-8285.
Kohei Nakamoto, Ryoji Kurita, Osamu Niwa, Electrochemical surface plasmon resonance measurement based on gold nanohole array fabricated by nanoimprinting technique, Analytical Chemistry 2012, 84(7), 3187-3191.
Ryoji Kurita, Kumi Arai, Kohei Nakamoto, Dai Kato, Osamu Niwa, Determination of DNA methylation using electrochemi-luminescence with surface accumulable coreactant, Analytical Chemistry 2012, 84( 4),1799-1803.
Ryoji Kurita, Kohei Nakamoto, Yuko Sato, Tomoyuki Kamata, Akio Ueda, Dai Kato, Shigeru Hirono, Osamu Niwa, An sp2 and sp3 hybrid nanocrystalline carbon film electrode for anodic stripping voltammetry and its application for electrochemical immunoassay, Analytical Sciences 2012, 28(1)13-20.
丹羽修, 「マイクロバンド電極」（作製法、基本特性、応用）, Electrochemistry, 80(3), 161-167 (2012)

2011

Kohei Nakamoto, Ryoji Kurita, Osamu Niwa., Toshiyuki Fujii, Munehiro Nishida, Development of a mass-reproducible on-chip plasmonicnanohole array biosensor, Nanoscale 2011, 3, 5067-5075.
Dai Kato, Keisuke Goto, Shin-ichiro Fujii, Akiko Takatsu, Shigeru Hirono, Osamu Niwa, Electrochemical DNA methylation detection for enzymatically digested CpG oligonucleotides, Analytical Chemistry 2011, 83(20), 7595-7599.
Dai Kato, Mayuri Komoriya, Kohei Nakamoto, Ryoji Kurita, Shigeru Hirono, Osamu Niwa, Electrochemical determination of oxidative damaged DNA with high sensitivity and stability using a nanocarbon film, Analytical Sciences 2011, 27(7), 703-707.[Link]
Tetsuya Nishimura, Yukari Sato, Mutsuo Tanaka, Ryoji Kurita, Kohei Nakamoto, Osamu Niwa, Bifunctional tri(ethylene glycol) alkanethiol monolayer modified gold electrode for on chip electrochemical immunoassay of pg level leptin, Analytical Sciences 2011, 27(5), 465-469.
Hiroaki Inokuchi, Dai Kato, Akio Ueda, Osamu Niwa, Development of sputtered nanocarbon film based microdisk array electrode for the highly stable detection of serotonin, Electroanalysis 2011, 23(4), 827-831.
Akio Ueda, Dai Kato, Ryoji Kurita, Tomoyuki Kamata, Hiroaki Inokuchi, Shigeru Umemura, Shigeru Hirono, Osamu Niwa, Efficient direct electron transfer with enzyme on a nanostructured carbon film fabricated with a maskless top-down uv/ozone process, Journal of the American Chemical Society 2011, 133(13), 4840-4846.
Seiichiro Iijima, Dai Kato, Soichi Yabuki, Osamu Niwa, Fumio Mizutani, Enzymatically amplified electrochemical detection for lipopolysaccharide using ferrocene-attached polymyxin B and its analogue, Biosensors & Bioelectronics 2011, 26(5), 2080-2084.
Mutsuo Tanaka, Takahiro Sawaguchi, Yukar Sato, Kyoko Yoshioka, Osamu Niwa, Surface modification of GC and HOPG with diazonium, amine, azide, and olefin derivatives, Langmuir 2011, 27(1), 170-178.

2010

Kohei Nakamoto, Ryoji Kurita, Osamu Niwa, One-chip biosensor for simultaneous disease marker/ calibration substance measurement in human urine by electrochemical surface plasmon resonance method, Biosensors & Bioelectronics 2010, 26(4), 1536-1542.
Keisuke Goto, Dai Kato, Naoyuki Sekioka, Akio Ueda, Shigeru Hirono, Osamu Niwa, Direct electrochemical detection of DNA methylation for retinoblastoma and CpG fragments using a nanocarbon film, Analytical Biochemistry 2010, 405(1), 59-66.
Ryoji Kurita, Kumi Arai, Kohei Nakamoto, Dai Kato, Osamu Niwa, Development of electrogenerated chemiluminescience-based enzyme linked immunosorbent assay for sub-pM detection, Analytical Chemistry 2010, 82(5), 1692-1697.
Kyoko Yoshioka, Yukari Sato, Teiichi Murakami, Mutsuo Tanaka, Osamu Niwa, One-step detection of galectins on hybrid monolayer surface with protruding lactoside, Analytical Chemistry 2010, 82(4), 1175-1178.
Kyoko Yoshioka, Yukari Sato, Mutsuo Tanaka, Teiichi Murakami, Osamu Niwa, Suppression of non-specific adsorption using densified tri(ethylene glycol) alkanethiols: monolayer characteristics evaluated by electrochemical measurements, Analytical Sciences 2010, 26(1), 33-37.
栗田僚二、加藤大, 丹羽修, ワンチップ分析装置が実現するオーダーメイド医療, 精密工学会誌, 76(1), 46-49 (2010)

2009

Ryoji Kurita, Kohei Nakamoto, Dai Kato, Osamu Niwa, Surface accumulable coreactant for bright electrogenerated chemiluminescence at trace level concentrations, Chemistry Letters 2009, 38(8), 804-805.
Mutsuo Tanaka, Takahiro Sawaguchi, Yukari Sato, Kyoko Yoshioka, Osamu Niwa, Synthesis of phosphorylcholine-oligoethylene glycol-alkane thiols and their suppressive effect of non-specific adsorption of proteins, Tetrahedron Letters 2009, 50(28), 4092-4095.
Akio Ueda, Dai Kato, Naoyuki Sekioka, Tomoyuki Kamata, Ryoji Kurita, Hiroshi, Uetsuka, Yoshiyuki Hattori, Shigeru Hirono, Shigeru Umemura, Osamu Niwa, Fabrication of electrochemically stable fluorinated nano-carbon film compared with other fluorinated carbon materials, Carbon 2009, 47, 1943-1952.[Link]
Akio Ueda, Dai Kato, Naoyuki Sekioka, Shigeru Hirono, Osamu Niwa, Local imaging of an electrochemical active/inactive region on a conductive carbon surface by using scanning electrochemical microscopy, Analytical Sciences 2009, 25(5), 645-651.
丹羽修, 加藤大, 関岡直行, 上田晃生, 廣野滋, ナノカーボン薄膜電極による生体分子の検出, New Diamond, 25(3), 30-37 (2009).
丹羽修, 加藤大, 関岡直行, 廣野滋, スパッタナノカーボン膜を用いた電気化学分析・バイオセンシング, 炭素材料の研究開発動向（CPC研究会） 2009(1), 75-83

2008

Fumio Mizutani, Eiji Ohta, Yasuhiro Mie, Osamu Niwa, Tomoyuki Yasukawa, Enzyme immunoassay of insulin at picomolar levels based on the coulometric determination of hydrogen peroxide, Sensors & Actuators B 2008, 135(1), 304-308.
Naoyuki Sekioka, Dai Kato, Akio Ueda, Tomoyuki Kamata, Ryoji Kurita, Shigeru Umemura, Shigeru Hirono, Osamu Niwa , Controllable electrode activities of nano-carbon films while maintaining surface flatness by electrochemical pretreatment, Carbon 2008, 46(14), 1918-1926.
Ryoji Kurita, Kohei Nakamoto, Akio Ueda, Osamu Niwa, Comparison of electrochemical and surface plasmon resonance immunosensor responses on single thin film, Electroanalysis 2008, 20(20), 2241-2246.
Yukari Sato, Kyoko Yoshioka, Mutsuo Tanaka, Teiichi Murakami, Miho N. Ishida,, Osamu Niwa , Recognition of lection with a high signal to noise ration: carbohydrate-tri(ethylene glycol)-alkanethiol co-adsorbed monolayer, Chemical Communications 2008(40), 4909-4911.
Yukari Sato, Teiichi Murakami, Kyoko Yoshioka, Osamu Niwa, 12-mercaptododecyl β-maltoside-modified gold nanoparticles: specific ligands for concanavalin A having long flexible hydrocarbon chains, Analytical and Bioanalytical Chemistry 2008, 391(7), 2527-2532.
Dai Kato, Naoyuki Sekioka, Akio Ueda, Ryoji Kurita, Shigeru Hirono, Koji Suzuki, Osamu Niwa, Nanohybrid carbon film for electrochemical detection of SNPs without hybridization of labeling, Angewandte Chemie-International Edition 2008, 47(35), 6681-6684.[Link]
Kohei Nakamoto, Ryoji Kurita, Naoyuki Sekioka, Osamu Niwa , Simultaneous on-chip surface plasmon resonance measurement of disease marker protein and small metabolite combined with immuno- and enzymatic reactions, Chemistry Letters 2008, 37(7), 698-699.
Ryoji Kurita,Yoshiki Hirata, Soichi Yabuki, Yoshimi Yokota, Dai Kato, Yukari Sato, Fumio Mizutani, Osamu Niwa , Surface modification of thin polyion complex film for surface plasmon resonance immunosensor , Sensors and Actuators B 2008, 130(1), 320-325.
Dai Kato, Naoyuki Sekioka, Akio Ueda, Ryoji Kurita, Shigeru Hirono, Koji Suzuki, Osamu Niwa, A nanocarbon film electrode as a platform for exploring DNA methylation, Journal of the American Chemical Society 2008, 130(12), 3716-3717.[Link]
Naoyuki Sekioka, Dai Kato, Ryoji Kurita, Shigeru Hirono, Osamu Niwa, Improved detection limit for an electrochemical r-aminobutyric acid sensor based on stable NADPH detection using an electron cyclotron resonance sputtered carbon film electrode, Sensors & Actuators B 2008, 129(1), 442-449.
Aki Honda, Hirokazu Komatsu, Dai Kato, Akio Ueda, Kenichi Maruyama, Yuzuru Iwasaki, Takeshi. Ito, Osamu Niwa, Koji Suzuki, Newly developed chemical probes and nano-devices for cellular analysis, Analytical Sciences 2008, 24(1), 55-66.
栗田僚二, 丹羽　修, 免疫センサチップ, Materials Integration 2008, 21(05-06), 197-202.

2007

Ryoji Kurita, Yoshimi Yokota, Akio Ueda, Osamu Niwa, Electrochemical surface plasmon resonance measurement in a microliter volume flow cell for evaluating the affinity and catalytic activity of biomolecules, Analytical Chemistry 2007, 79(24), 9572-9576.
Akio Ueda, Osamu Niwa, Kenichi Maruyama, Yutaka Shindo, Kotaro Oka, Koji Suzuki , Neurite imaging of living PC12 cells with scanning electrochemical/ near-field optical/ atomic force microscopy , Angewandte Chemie-International Edition 2007, 46, 8238-8241.
Wei Chiming, Takeharu Nagai, Wenchi Wei, Tomomi Nemoto, Muhammad Awais, Osamu Niwa, Ryoji Kurita, Yoshinobu Baba, New advances in nanomedicine: diagnosis and preventive medicine, Medical Clinics of North America 2007, 91(5), 871-879.
Dai Kato, Guobao Xu, Yuzuru Iwasaki, Yoshiki Hirata, Ryoji Kurita, Osamu Niwa, Heavy phosphate adsorption on amorphous ITO film electrodes: nano-barrier effect for highly selective exclusion of anionic species, Langmuir 2007, 23(16), 8400-8405.
Takeshi Ito, Taku Kawaguchi, Hiroko Miyoshi, Kenichi Maruyama, Satoru Kaneko, Seishiro Ohya, Yuzuru Iwasaki, Osamu Niwa, Koji Suzuki, Characterization of a microfluidic device fabricated using a photosensitive sheet, J. Micromechanics and Microengineering 2007, 17(3), 432-438.
Dai Kato, Seiichiro Iijima, Ryoji Kurita, Yukari Sato, Jianbo Jia, Soichi Yabuki, Fumio Mizutani, Osamu Niwa , Electrochemically amplified detection for lipopolysaccharide using ferrocenylboronic acid , Biosensors and Bioelectronics 2007, 22(7), 1527-1531.
Yukari Sato,Osamu Niwa, Fumio Mizutani , Hydrogen bonding interaction between aminopurinethiol-monolayers and oligonucleotides by QCM and XPS measurements , Sensors and Actuators B 2007, 121(1), 214-218.
Jianbo Jia, Dai Kato, Ryoji Kurita, Yukari Sato, Kenichi Maruyama, Koji Suzuki, Shigeru Hirono, Toshihiro Ando, Osamu Niwa, Structure and electrochemical properties of carbon films prepared by a electron cyclotron resonance sputtering method, Analytical Chemistry 2007, 79(1), 98-105.
Soichiro Yoshimoto, Kazuhiro Sato, Shoko Sugawara, Yu Chen, Osamu Ito, Takahiro Sawaguchi, Osamu Niwa, Kingo Itaya, Formation of supramolecular nanobelt arrays consisting of cobalt(II) "Picket-Fence" porphyrin on Au surfaces, Langmuir 2007, 23(2), 809-816.
Osamu Niwa, D. Kato, R. Kurita, T. You, Y. Iwasaki, S. Hirono, Electrocatalytic detection of hydrogen peroxide using palladium-nanoparticle dispersed carbon film electrodes, Sensors and Materials 2007, 19(4), 225-233.[Link]

2006

Yuzuru Iwasaki, Tatsuya Tobita, Kazuyoshi Kurihara, Tsutomu Horiuchi, Koji Suzuki, , Osamu Niwa , Imaging of flow pattern in micro flow channel using surface plasmon resonance, Measurement Science & Technology 2006, 17(12), 3184-3188.
Ryoji Kurita, Yoshimi Yokota, Yukari Sato, Fumio Mizutani, Osamu Niwa , On-chip enzyme immunoassay of a cardiac marker using a microfluidic device combined with a portable surface plasmon resonance system , Analytical Chemistry 2006, 75(15), 5525-5531.
Osamu Niwa, Jianbo Jia, Yukari Sato, DaiKato, Ryoji Kurita, Kenichi Maruyama, Koji Suzuki, Shigeru Hirono , Electrochemical performance of angstrom level flat sputtered carbon film consisting of sp² and sp³ mixed bonds, Journal of the American Chemical Society 2006, 128(22), 7144-7145.[Link]
Kenichi Maruyama, Hiroyuki Ohkawa, Sho Ogawa, AkioUeda, Osamu Niwa, Koji Suzuki , Fabrication and characterization of a nanometer-sized optical fiber electrode basedon selective chemical etching for scanning electrochemical/optical microscopy , Analytical Chemistry 2006, 75(6), 1904-1912.
Ryoji Kurita, Norikuni Yabumoto, Osamu Niwa , Miniaturized one-chip electrochemical sensing device integrated with a dialysis membrane and double thin-layer flow channels for measuring blood samples , Biosensors & Bioelectronics 2006, 21(8), 1649-1653.
Yukari Sato, Dai Kato, Seiichiro Iijima, Fumio Mizutani, Osamu Niwa , Electrochemical chemiluminescence responses on gold electrodes modified with ferrocenylundecanethiol monolayer and poly (divinylferrocene) film , Electrochemistry 2006, 74(2), 202-204.
Yuzuru Iwasaki, Osamu Niwa , Electrochemical surface plasmon resonance measurement of electrocatalytic oxidation of glucose on gold electrode , Electrochemistry 2006, 74(2), 172-174.
Yasuhiro Mie, Dai Kato, Osamu Niwa, Fumio Mizutani , A highly sensitive assay to determine atrial natriuretic peptides by electrochemical enzyme immunoassay , Electrochemistry 2006, 74(2), 138-140.
Osamu Niwa, Guobao Xu, Yuzuru Iwasaki, Highly selective response of dopamine against its metabolite and interfering molecules at sputtered ITO electrode surface, Electrochemistry 2006, 74(2), 135-137.
Ryoji Kurita, Yoshiki Hirata, Soichi Yabuki, Dai Kato, Yukari Sato, Fumio Mizutani, Osamu Niwa, Surface modification of thin polyion complex film with a high specific binding affinity and prevention of non-specific adsorption in surface plasmon resonance immunoassay, Electrochemistry 2006, 74(2), 121-1257.
Takeshi Ito, Taku. Kawaguchi, Hiroko Miyoshi, KenichiMaruyama, Aki Honda, Satoru Kaneko, Seishiro Ohya, Osamu Niwa., Kouichi Terasaka, Koji Suzuki, Fabrication of high performance polymeric microfluidic device by a simple imprinting method using a photosensitive sheet, Japanese Journal of Applied Physics 2006, 45(2), 64-67.

2005

Guobao Xu, Yuzuru Iwasaki, Osamu Niwa, Selective electrochemical response of dopamine against 3, 4-dihydroxyphenylacetic acid at bare indium-tin oxide electrode, Chemistry Letters 2005, 2005, 34(8), 1120-1121.
Hiroaki Matsuura, Yukari Sato, Osamu Niwa, Fumio Mizutani, Electrochemical Enzyme Immunoassay of a Peptide Hormone at pM-levels, Analytical Chemistry 2005, 77(13), 4235-4240.
Michiko Seyama, Yuzuru Iwasaki, Shigeki Ogawa, Iwao Sugimoto, Akiyuki Tate, Osamu Niwa, Discriminative detection of volatile sulfur compound mixtures with a plasma-polymerized film-based sensor array installed in a humidity-control system, Analytical Chemistry 2005, 77(13), 4228-4234.
Yukari Sato, Dai Kato, Osamu Niwa, Fumio Mizutani, Simultaneous determination of glucose and ascorbic acid by using gold electrode modified with ferrocenylundecanethiol monolayer, Sensors and Actuators B 2005, 108(1-2), 617-621.
Yuko Ueno, Akiyuki Tate, Osamu Niwa, Hao-shen Zhou, Takeo Yamada, Itaru Honma, igh benzene selectivity of mesoporous silicate for BTX gas sensing microfluidic devices, Analytical and Bioanalytical Chemistry 2005, 382(3), 804-809.
Yukari Sato, Y. Ishikawa, Hiroaki Matsuura, Kohei Uosaki, Fumio Mizutani, Osamu Niwa, Highly-sensitive determination of 6-mercaptopurine and its metabolites by electrochemical reductive desorption measurements, Electroanalysis 2005, 17(11), 956-968.
Osamu Niwa , Electroanalytical chemistry with carbon film electrodes and micro and nano-structured carbon film based electrodes , Bulletin of the Chemical Society of Japan 2005,78, 555-571.
Takeo Yamada, Hao-shen Zhou, Itaru Honma, Yuko Ueno, Tsutomu Horiuchi, Osamu Niwa, A simple method for fabrication of mesoporous film using a rapid heating process, Chemistry Letters 2005, 34(3), 328-329.
Zilin Chen, Katsuyoshi Hayashi, Yuzuru Iwasaki, Ryoji Kurita, Osamu Niwa, Kenji Sunagawa, On-line monolithic enzyme reactor fabricated by sol-gel process for elimination of ascorbic acid while monitoring dopamine, Electroanalysis 2005, 17(3), 231-238.
Yuko Ueno, Tsutomu Horiuchi, Osamu Niwa, Hao-shen Zhou, Takeo Yamada, Itaru Honma, Effect of Calcination Temperature of Self-ordered Mesoporous Silicate on Adsorption Character of Aromatic Hydrocarbons, New Journal of Chemistry 2005, 29(3), 504-508.

2004

Takeshi Ito, Kenichi Maruyama, Kazuharu Sobue, Seishiro Ohya, Osamu Niwa, Koji Suzuki, Electrochemical behavior of parallel opposed dual electrode in a microchannel, Electroanalysis 2004, 16(24), 2035-2041.
Ryoji Kurita, Hisao Tabei, Yuzuru Iwasaki, Katsuyoshi Hayashi, Kenji Sunagawa, Osamu Niwa, Biocompatible glucose sensor prepared by modifying protein and vinylferrocene monomer composite membrane, Biosensors & Bioelectronics 2004, 20(3), 518-523.
Kazuyoshi Kurihara, Hiroyuki Ohkawa, Yuzuru Iwasaki, Osamu Niwa, Tatsuya Tobita, Koji Suzuki , Fiber-optic conical microsensors for surface plasmon resonance using chemically etched single-mode fiber, Analytica Chimica Acta 2004, 523(2), 165-170.
Yuko Ueno, Akiyuki Tate, Osamu Niwa, Hao-shen Zhou, Takeo Yamada, Itaru Honma , High benzene selectivity of uniform sub-nanometre pores of self-ordered mesoporous silicate , Chemical Communications 2004, (6), 746-747.
Yoshihiro Kobayashi, Takayuki Yamashita, Yuko Ueno, Osamu Niwa, Yoshikazu Homma, Toshio Ogino , Extremely intense Raman signals from single-walled carbon nanotubes suspended between Si nanopillars , Chemcal Physics Letters 2004, 386(1-3), 153-157.
Tianyan You, Osamu Niwa, Ryoji Kurita, Yuzuru Iwasaki, Katsuyoshi Hayashi, Koji Suzuki, Shigeru Hirono , Reductive detection at nanoparticle iridium/carbon film electrode and its application as L-glutamate enzyme sensor , Electroanalysis 2004, 16(1-2), 54-59.
Ryoji Kurita, Katsuyoshi Hayashi, Keiichi Torimitsu, Osamu Niwa , Continuous measurement of glutamate and hydrogen peroxide using a microfabricated biosensor for studying the neurotoxicity of tributyltin , Analytical Sciences 2004, 19(12), 1581-1585.

2003

Katsuyoshi Hayashi, Yuzuru Iwasaki, Ryoji Kurita, Kenji Sunagawa, Osamu Niwa, On –line microfluidic sensor integrated with a micro array electrode and enzyme-modified pre-reactor for the real-time monitoring of blood catecholamine, Electrochemistry Communications 2003, 5(12), 1037-1042.
Yuko Ueno, Tsutomu Horiuchi, Osamu Niwa, Hao-shen Zhou, Takeo Yamada, Itaru Honma , Improvement of on-site microfluidic benzene, Toluene, xylene (BTX) gas sensor loaded with nano-sized structure mesoporous silicate , Sensors & Materials 2003, 15(8), 393-402.
Yuko Ueno, Tsutomu Horiuchi, Osamu Niwa, Hao-Shen Zhou, Takeo Yamada, Itaru Honma , Portable automatic BTX measurement system with microfluidic device using mesoporous silicate adsorbent with nano-sized pores , Sensors & Actuators B 2003, 95(1-3), 282-286.
Tianyan You, Osamu Niwa, Zilin Chen, Katsuyoshi Hayashi, Masato Tomita, Shigeru Hirono , An Amperometric Detector Formed of Highly Dispersed Ni Nanoparticles Embedded in a Graphite-like Carbon Film Electrode for Sugar Determination, Analytical Chemistry 2003, 75(19), 5191-5196.
Katsuyoshi Hayashi, Ryoji Kurita, Tsutomu Horiuchi, Osamu Niwa, Selective detection of L-glutamate using a microfluidic device integrated with an enzyme-modified pre-reactor and an electrochemical detector, Biosensors & Bioelectronics 2003, 18, 1249-1255.
Nobuaki, Soh, Tomoyuki, Tokuda, Tomomi, Watanabe, Keiko Mishima, Toshihiko Imato, Takashi, Masadome, Yasukazu Asano, Saeko Okutani, Osamu Niwa, Stanley Brown, A surface plasmon resonance immunosensor for detecting a dioxin precusor using a gold binding polypeptide, Talanta 2003, 60(4), 733-745.
Tianyan You, Osamu Niwa, Masato Tomita, Shigeru Hirono, Characterization of platinum nanoparticle-embedded carbon film electrode and its detection of hydrogen peroxide, Analytical Chemistry 2003, 75(9), 2080-2085.[Link]
堀内勉、上野祐子、丹羽修, 大気環境モニタリング用小型VOC検出装置の開発, 電気学会論分誌E, 123, 134-135 (2003)
岩崎　弦、丹羽　修, 酵素膜形状と酵素反応の表面プラズモン共鳴による測定, 電気学会論分誌E, 123, 130-131 (2003)

2002

Eiji Fujii, Takashi Koike, Kaori Nakamura, Shin-ichi Sasaki, Kazuyoshi Kurihara, Daniel Citterio, Yuzuru Iwasaki, Osamu Niwa, Koji Suzuki , Application of an absorption-based surface plasmon resonance principle to the development of SPR ammonium ion and enzyme sensors, Analytical Chemistry 2002, 74(23), 6106-6110.
Tianyan You, Osamu Niwa, Masato Tomita, Shigeru Hirono, Electrochemical oxidation of alkylphenols on ECR-Sputtered carbon film electrodes with flat sub-nanometer surfaces, Journal of the Electrochemical Society 2002, 149(12), E479-E484.
Ryoji Kurita, Katsuyoshi Hayashi, Xu Fan, Katsunobu Yamamoto, Takeshi Kato, Osamu Niwa , Microfluidic device integrated with pre-reactor and dual enzyme-modified microelectrodes for monitoring in vivo glucose and lactate, Sensors & Actuators B 2002, 87(2), 296-303.
Tianyan You, Osamu Niwa, Tsutomu Horiuchi, Masato Tomita Yuzuru Iwasaki, Yuko Ueno, Shigeru Hirono, Co-sputtered thin film consisiting of platinum nanoparticles embedded in graphite-like carbon and its high electrocatalytic properties for electroanalysis, Chemistry of Materials 2002, 14(11), 4796-4799 (2002)[Link]
Yuko Ueno, Tsutomu Horiuchi, Masato Tomita, Osamu Niwa, Hao-shen Zhou, Takeo Yamada, Itaru Honma, Separate detection of BTX mixture gas by a microfluidic device using a function of nanosized pores of mesoporous silica adsorbent, Analytical Chemistry 2002, 74(20), 5257-526.
Yuzuru Iwasaki, Tatsuya Tobita, Kazuyoshi Kurihara, Tsutomu Horiuchi, Koji Suzuki, Osamu Niwa, Imaging of electrochemical enzyme sensor on gold electrode using surface plasmon resonance, Biosensors and Bioelectronics 2002, 17 , 783-788.
Takashi Masadome, Yasukazu Asano, Toshihiko Imato, Satoshi Ohkubo, Tatsuya Tobita, Hisao Tabei, Yuzuru Iwasaki, Osamu Niwa, Yoshito Fushinuki, Preparation of refractive index matching polymer film alternative to oil for use in a portable surface-plasmon resonance phenomenon-based chemical sensor method, Analytical and Bioanalytical Chemistry 2002, 373(4-5),222-226
Shoko Iwaki, Masahito Ogasawara, Ryoji Kurita, Osamu Niwa, Katsuyuki Tanizawa, Yuichi Ohashi, Kazutaka Maeyama, Real-time monitoring of histamine released from rat basophilic leukemia (RBL-2H3) cells with a histamine microsensor using recombinant histamine oxidase, Analytical Biochemistry 2002,304(2), 236-243.
Tianyan You, Osamu Niwa, Masato, Tomita, Hiroshi Ando, Shigeru Hirono, Characterization and electrochemical properties of highly dispersed copper oxide/hydroxide nanoparticles in graphite-like carbon films prepared by RF sputtering method, Electrochemistry Communications 2002, 4(468), 468-471.
Yuko Ueno, Tsutomu Horiuchi, Osamu Niwa, Improved detection limit for airborne BTEX by microfluidic device with air-cooled trap channel, Analytical Chemistry 2002,74(7), 1712-1717.
Katsuyoshi Hayashi, Ryoji Kurita,Tsutomu Horiuchi, Osamu Niwa, Microfabricated on-line electrochemical flow cell integrated with small volume pre-reactor for highly selective detection of biomolecules, Electroanalysis 2002,14(5), 333-338.
林勝義, 丹羽修, 電気化学センサーシステムを用いる脳内物質及び細胞応答の測定, 分析化学, 51(1), 1-12 (2002)
Ryoji Kurita, Katsuyoshi Hayashi, Tsutomu Horiuchi, Osamu Niwa, Kazutaka Maeyama, Katsuyuki Tanizawa, Differential measurement with a microfluidic device for the highly selective continuous measurement of histamine released from rat basophilic leukemia cells (RBL-2H3), Lab on a Chip 2002, 2(1), 34-38.
丹羽修, 電気化学マイクロチップの創製と生体関連分析への応用, ぶんせき, (5), 247-251 (2002)
丹羽修, 岩崎弦, マイクロ、ナノ構造を有する電極とその電気化学特性, 表面, 40(8), 247-251 (2002)

2001

Yuko Ueno, Tsutomu Horiuchi, Takashi Morimoto, Osamu Niwa, Microfluidic device for airborne BTEX detection, Analytical Chemistry 2001, 73(19), 4688-4693.
Yuko Ueno, Katsuhiro Ajito, Yasuko Y. Maruo, Osamu Niwa, Keiichi Torimitsu, Toshihiro Ichino, Near-Infrared raman spectra of azo dye produced by a nitrogen-dioxide-gas-selective coloration reaction in a porous glass chip, Applied Spectroscopy 2001, 55(9), 1151-1154.
Ryoji Kurita, Hisao Tabei, Katsuyoshi Hayashi, Tsutomu Horiuchi, Keiichi Torimitsu, Osamu Niwa, Improvement in signal reliability when measuring L-glutamate released from cultured cells using multi-channel microfabricated sensors, Analytica Chimica Acta 2001, 441(2), 165-174.
Nahoko Kasai, Yasuhiko Jimbo, Osamu Niwa, Tomokazu Matsue, Keiichi Torimitsu, Real-time multisite observation of glutamate release in rat hippocampal slices, Neuroscience Letters 2001, 304(1-2), 112-116.
Yuzuru Iwasaki, Tsutomu Horiuchi, Osamu Niwa, Detection of electrochemical enzymatic reactions by surface plasmon resonance measurement, Analytical Chemistry 2001, 73(7) ,1595-1598.
丹羽修, 堀内勉, μ-TASの動向, Bio Industry, 18(2), 56-63 (2001)

2000

Nahoko Kasai, Yasuhiko Jimbo, Osamu Niwa, Tomokazu Matsue, Keiichi Torimitsu, Multi-channel Monitoring by electrode array electrochemically immobilized with enzymes, Electrochemistry 2000, 68(11), 886-889.
Katsuyoshi Hayashi, Tsutomu Horiuchi, Ryoji Kurita, Keiichi Torimitsu, Osamu Niwa, Real-time electrochemical imaging using an individually addressable multi-channel electrode, Biosensors and Bioelectronics 2000, 15(9-10), 523-529.
Ryoji Kurita, Hisao Tabei, Zhiming Liu, Tsutomu Horiuchi, Osamu Niwa, Fabrication and electrochemical properties of an interdigitated array electrode in a microfabricated wall-jet cell, Sensors and Actuators B 2000, 71(1-2), 82-89.
Osamu Niwa, Ryoji Kurita, Katsuyoshi Hayashi, Tsutomu Horiuchi, Keiichi Torimitsu, Kazutaka Maeyama, Katsuyuki Tanizawa, Continuous measurement of histamine from rat basophilic leukemia cells (RBL-2H3) with an on-line sensor using histamine oxidase, Sensors and Actuators B 2000, 67(1-2), 43-51.
Zhiming Liu, Osamu Niwa, Ryoji Kurita, Tsutomu Horiuchi, Miniaturized thin-layer radial flow cell with interdifitated ring-shaped microarray electrode used as amperometric detector for capillary electrophoresis, Journal of Chromatography A 2000, 891(1), 149-156.
Tsutomu Horiuchi, Noriyuki Hatakenaka, Osamu Niwa, Electrochemiluminescence at a microelectrode in a microscale fluidic system, Electroanalysis 2000, 12(9), 672-676.
Satoshi Koide, Yuzuru Iwasaki, Tsutomu Horiuchi, Osamu Niwa, Eiichi Tamiya, Kenji Yokoyama, A novel biosensor using electrochemical surface plasmon resonance measurements, Chemical Communications 2000,(9), 741-742.
Zhiming Liu, Osamu Niwa, Ryoji Kurita, Tsutomu Horiuchi, Carbon film based interdigitated array microelectrode used in capillary electrophoresis with electrochemical detection, Analytical Chemistry 2000, 72(6), 1315-1321.
Osamu Niwa, Ryoji Kurita, Zhiming Liu, Tsutomu Horiuchi, Keiichi Torimitsu, Subnanoliter volume wall-jet cells combined with interdigitated microarray electrode and enzyme modified planar microelectrode, Analytical Chemistry 2000, 72(5), 949-955.
鈴木孝治, 丹羽修, 連載, 分析機器の20世紀：電気化学分析・センサ―, 化学と工業, 53(10), 1198-1201 (2000)

1999

Zhiming Liu, Osamu Niwa, Tsutomu Horiuchi, Ryoji, Kurita, Keiichi Torimitsu, NADH and glutamate on-line sensors using Os-gel-HRP/GC electrodes modified with NADH oxidase and glutamate dehydrogenase, Biosensors & Bioelectronics 1999, 14(7), 631-638.
Yuzuru Iwasaki, Tsutomu Horiuchi, Masao Morita, Osamu Niwa, Electrochemical reaction of Fe(CN)₆^{3-/4- on gold electrodes analyzed by surface plasmon resonance, Surface Science 1999, 427-428, 195-198.}
Osamu Niwa, Ryoji Kurita, Tsutomu Horiuchi, Keiichi Torimitsu, Continuous monitoring of L- glutamate released form cultured rat nerve cells with a microfabricated on-line sensor at a slow flow rate, Electroanalysis 1999, 11(5), 356-361.
Masao Morita, Osamu Niwa, Shokou Tou, Noriyuki Watanabe, Ni content dependence of electrochemical behavior of carbohydrates on Ti-Ni alloy electrode and its application to a liquid chromatography detector, Journal of Chromatography A 1999, 1837(1-2), 17-24.
Yuzuru Iwasaki, Osamu Niwa, Masao Morita, Electrochemical reaction of cytochrome c on polyaspartic acid modified gold electrodes, Sensors & Materials 1999, 11(1), 51-56.
堀内勉丹羽修, 畠中憲之, 電気化学発光法による色素溶液からのレーザ発振現象, Optronics, 2, 161-165 (1999)

1998

Osamu Niwa, Tsutomu Horiuchi, Ryoji Kurita, Hisao Tabei, Keiichi Torimitsu, Microfabricated on-line sensor for continuous monitoring of L-glutamate, Analytical Sciences 1998, 14(5), 195-198.
Tsutomu Horiuchi, Osamu Niwa, Noriyuki Hatakenaka, Evidence of lasing action with electrochemiluminecense, Nature 1998, 394(6694), 659-661.
Yuzuru Iwasaki, Tsutomu Horiuchi, Masao Morita, Osamu Niwa, Analysis of electrochemical processes using surface plasmon resonance, Sensors & Actuators B 1998, 50(2), 145-148.
Peter. G. Osborne, Osamu Niwa, Katsunobe Yamamoto, Plastic film carbon electrode: Electrochemical characterization, enzymatic modification and optimization for on-line, simultaneous measurement of lactate and glucose using microdialysis probe, Analytical Chemistry 1998, 70(9), 1701-170.
Osamu Niwa, Tsutomu Horiuchi, Ryoji Kurita, Keiichi Torimitsu, On-line electrochemical sensor for selective continuous measurement of acetylcholine in cultured brain tissue, Analytical Chemistry 1998, 70(6), 1126-1132.
Keiichi Torimitsu, Osamu Niwa, Direct measurement of photo-uncaged glutamate concentration and the laser-photostimulation of cultured rat cortical neurons, NeuroReport 1998, 9(4), 599-603.
Osamu Niwa, Ryoji Kurita, Tsutomu Horiuchi, Keiichi Torimitsu, Small volume on-line sensor for continuous measurement of aminobutyric acid, Analytical Chemistry 1998, 70(1), 89-93.
丹羽修, 栗田僚二, 堀内勉, 鳥光慶一, 微小センサーによる神経伝達物質の計測, 化学と工業, 51(5), 771-773 (1998)

1997

Peter G. Osborne, Osamu Niwa, Takeshi Kato, Katsunobu Yamamoto, On-line continuous measurement of extracellular striatal glucose using microdialysis sampling and electrochemical detection, Journal of the Neuroscience Methods 1997, 77(2), 143-150.
Yuzuru Iwasaki, Tsutomu Horiuchi, Masao Morita, Osamu Niwa, Electrochemical usage of simultaneous linear scan voltammetry and surface plasmon resonance measurements, Electroanalysis 1997, 9(16), 1239-1241.
Fuming Xie, Peter T. Kissinger, Osamu Niwa, Determination of tetrahydrobiopterin and its analogues in biological samples by microbore liquid chromatography, Journal of the Liquid Chromatography & Related Technologies 1997, 20(6), 825-837.
Tsutomu Horiuchi, Keiichi Torimitsu, Katsunobu Yamamoto, Osamu Niwa, On-line flow sensor for measuring acetylcholine combined with microdialysis probe, Electroanalysis 1997, 9(16), 912-916.
Keiichi Torimitsu, Osamu Niwa, Real-time detection of GABA-induced glutamate release in cultured rat cortex, NeuroReport 1997, 8(6), 1353-1358.
Osamu Niwa, Tsutomu Horiuchi, Keiichi Torimitsu, Continuous monitoring of L-glutamate released form cultured nerve cells by an online Sensor coupled with micro-capillary sampling, Biosensors and Bioelectronics 1997, 12(4), 311-319.
Masao Morita, Osamu Niwa, Tsutomu Horiuchi, Interdigitated array microelectrodes as electrochemical sensors, Electrochimica Acta 1997, 42(20-22), 3177-3183.

1996

Nahoko Kasai, Tomokazu Matsue, Isamu Uchida, Tsutomu Horiuchi, Masao Morita, Osamu Niwa, Femto-mole acetylcholine detection with microdisk array electrodes, DENKI KAGAKU 1996, 64(12), 1269-1271.
Masao Morita,Yuzuru Iwasaki, Tsutomu Horiuchi, Osamu Niwa, Selective electrochemical detection of catechol and catecholamines on modified electrodes with molecular template, DENKI KAGAKU 1996, 64(12), 1239-1243 (1996)
Osamu Niwa, Keiichi Torimitsu, Masao Morita, Peter Osborne, Katsunobu Yamamoto, Concentration of extracellular L-glutamate released from cultured nerve cells measured with a small-volume online sensor, Analytical Chemistry 1996, 68(11), 1865-1870.
Yuzuru Iwasaki, Osamu Niwa, Masao Morita, Hisao Tabei, Peter T. Kissinger, Selective electrochemical detection using disk array electrode in a thin-layer radial flow system, Analytical Chemistry 1996, 68(21), 3797-3800.
Osamu Niwa, Masao Morita, Carbon film-based interdigitated ring array electrodes as detectors in radial flow cells, Analytical Chemistry 1996, 68(11), 355-359.
Takeshi Kato, Jian Kai Liu, Katsunobu Yamamoto, Peter G.Osborne , Osamu Niwa, Detection of basal acetylcholine release in the microdialysis of rat frontal cortex by high-performance liquid chromatography using a horseradish peroxidase-osmium redox polymer electrode with pre-enzyme reactor, Journal of Chromatography By 1996, 682(1), 162-166.
Osamu Niwa, Masao Morita, Bruce P. Solomon, Peter T.Kissinger, Carbon film based ring-disk and split-disk dual electrodes as detectors for microbore liquid chromatography, Electroanalysis 1996, 8(5), 427-433.
Satoshi Hoshino, Osamu Niwa, Hisao Tabei, Masaya Takahashi, Masao Morita, Hydrodynamic properties of the electrochemical behavior using interdigitated array microelectrodes, DENKI KAGAKU 1996, 64(3), 195-201.
Osamu Niwa, Tsutomu Horiuchi, Masao Morita, Tiehua Huang, Peter T. Kissinger, Determination of acetylcholine and choline with platinum-black ultramaicroarray electrodes using liquid chromatography with a post-colimn enzyme reactor, Analytica Chemica Acta 1996, 318(2), 167-173.

1995

Osamu Niwa, Hisao Tabei, Bruce P. Solomon, Fuming Xie, Peter T. Kissinger, Improved detection limit for catecholamines using liquid chromatography-electrochemistry with a carbon interdigitated array microelectrode, Journal of Chromatography B 1995, 670(1), 21-28.[Link]
Osamu Niwa, Electroanalysis with interdigitated array microelectrode, Electroanalysis 1995, 7(7), 606-613.[Link]
Tsutomu Horiuchi, Osamu Niwa, Masao Morita, Fabrication and photoelectrochemical properties of interdigitated array microelectrodes consisting of optically transparent and nontransparent band electrodes, Journal of the Electrochemical Society 1995, 142(9), L146-L149.[Link]

1994

Hisao Tabei, Masaya Takahashi, Satoshi Hoshino, Osamu Niwa, Tsutomu Horiuchi, Subfemtomole Detection of catecholamine with interdigitated array carbon microelectrodes in HPLC, Analytical Chemistry 1994, 66(20), 3500-350.[Link]
Tsutomu Horiuchi, Osamu Niwa, Hisao Tabei, Detection of reversible redox species by substitutional stripping voltammetry, Analytical Chemistry 1994, 66(8), 1224-1230.[Link]
Osamu Niwa, Tsutomu Horiuchi, Hisao Tabei, Electorchemical properties of carbon based interdigitated microarray electrodes fabricated by the pyrolysis of electrochemically prepared conducting films, Journal of Electroanalytical Chemistry 1994, 367(1-2), 265-269.[Link]
Osamu Niwa, Masao Morita, Hisao Tabei, Highly sensitive electrochemical detection of dopamine using interdigitated array electrodes modified with nafion/polyester ionomer layered film, Electroanalysis 1994, 6(3), 237-243.[Link]
Osamu Niwa, Hisao Tabei, Voltammetric Measurements of reversible and quasi-reversible redox species using carbon film based interdigitated array microelectrodes, Analytical Chemistry 1994, 66(2), 285-289.[Link]

1993

Osamu Niwa, Yan Xu, H.Brian Halsall, William R. Heineman, Small-volume voltammetric detection of 4-aminophenol with interdigitated array electrodes and its application to electrochemical enzyme immunoassay, Analytical Chemistry 1993, 65(11), 1559-1563.[Link]
Osamu Niwa, Masao Morita, Hisao Tabei, Highly sensitive small volume voltammetry of reversible species with an IDA electrochemical cell and its application to selective detection of catecholamine, Sensors and Actuators B 1993, 14(1-3), 558-560.[Link]
Masaya Takahashi, Masao Morita, Osamu Niwa, Hisao Tabei, Highly sensitive detection of catecholamine with interdigitated array microelectrodes in HPLC, Sensors and Actuators B 1993, 13(1-3), 336-339.[Link]

1992

Tsutomu Horiuchi, Osamu Niwa, Masao Morita, Hisao Tabei, Substitutional stripping voltammetry of reversible redox species by self induced redox cycling, DENKI KAGAKU 1992, 60(12), 1130-1140.[Link]
Tsutomu Horiuchi, Osamu Niwa, Masao Morita, Hisao Tabei, Stripping voltammetry of reversible redox species by self induced redox cycling, Analytical Chemistry 1992, 64(24), 3206-3208.[Link]
Masaya Takahashi, Masao Morita, Osamu Niwa, Hisao Tabei, Highly sensitive high-performance liquid chromatography detection of catecholamine with interdigitated array microelectrodes, Journal of Electroanalytical Chemistry 1992, 335(1-2), 253-263.[Link]
Hisao Tabei, Masao Morita, Tsutomu Horiuchi, Osamu Niwa, Fabrication and electrochemical features of new carbon based interdigitated array microelectrodes, Journal of Electroanalytical Chemistry 1992, 334(1-2), 25-33.[Link]
Hisao Tabei, Tsutomu Horiuchi, Osamu Niwa, Masao Morita, Highly sensitive detection of reversible species by self-induced redox cycling, Journal of Electroanalytical Chemistry 1992, 326(1-2), 339-343.[Link]

1991

Tsutomu Horiuchi, Osamu Niwa, Masao Morita, Hisao Tabei, Limiting current enhancement by self-induced redox cycling on a micro-macro electrode, Journal of the Electrochemical Society 1991, 138(12), 3549-3553.[Link]
Osamu Niwa, Masao Morita, Hisao Tabei, Highly sensitive and selective voltammetric detection of dopamine with vertically separated interdigitated array electrodes, Electroanalysis 1991, 3(3), 163-168.[Link]

1990

Tsutomu Horiuchi, Osamu Niwa, Masao Morita, Hisao Tabei, Quantitative analysis of steady state currents of reversible redox species at microdisk array electrode embedded in surface electrode, Journal of Electroanalytical Chemistry 1990, 295(1-2), 25-40.[Link]
Shoichi Hayashida, Ken Sukegawa, Osamu Niwa, Electrochemical Oxidation of Vacuum-Deposited Carbazole: Preparation and Film Properties, Synthetic Metals 1990, 35( 3), 253-261.[Link]
Osamu Niwa, Masao Morita, Hisao Tabei, Electrochemical behavior of reversible redox species at inter-digitated array electrodes with different geometries: Consideration of redox cycling and collection efficiency, Analytical Chemistry 1990, 62(5), 447-452 .[Link]

1989

Osamu Niwa, Masao Morita, Hisao Tabei, Fabrication and characteristics of vertically separated interdigitated array electrodes, Journal of Electroanalytical Chemistry 1989, 256(2), 269-282.[Link]

1988

Koichi Aoki, Masao Morita, Osamu Niwa, Hisao Tabei, Quantitative analysis of reversible diffusion-controlled currents of redox soluble species at interdigitated array electrodes under steady-state conditions, Journal of Electroanalytical Chemistry 1988, 256(2), 269-282 (1988)[Link]
丹羽修, 導電性電解重合膜, 化学工業, 52(9), 667-670 (1988)

1987

Osamu Niwa, Toshiaki Tamamura, Polythiophene/polyvinylchloride conducting polymer alloy films and their redox properties, Synthetic Metals 1987, 20(2), 235-243.[Link]
Osamu Niwa, Masami Kakuchi, Toshiaki Tamamura, Polypyrrole-based conducting polymer alloy films: physical properties and film morphology, Macromolecules 1987, 20(4), 749-753.[Link]
Osamu Niwa, Makoto Hikita, Toshiaki Tamamura, Anisotropic Conductivity of polypyrrole-polyvinylchloride conductive polymer alloy film prepared on patterned electrode, Synthetic Metals 1987, 18(1-3), 677-682.[Link]
Osamu Niwa, Masami Kakuchi, Toshiaki Tamamura, Mechanical properties of flexible polypyrrole-based conducting polymer alloy films, Polymer Journal 1987, 19(11), 1293-1301.[Link]
丹羽修, 疋田真, 玉村敏昭, パターン状電極を用いて作製した半透明異方導電性フィルム, 高分子論文集, 44(4), 225-233(1987)[Link]
丹羽修, 電解重合により作製した導電性有機薄膜, 化学と工業, 40(10), 814-817 (1987)

1986

丹羽修, 疋田真, 玉村敏昭, ポリピロール系複合導電性フィルムの電気、光学的性質, 日本化学会誌, 3, 334-341.[Link]

1985

Osamu Niwa, Makoto Hikita, Toshiaki Tamamura, Electrical properties of poly(vinyl chloride)-polypyrrole conductive polymer alloy films, Makromolekulare Chemie, Rapid Communications 1985, 6(6) 375-379.[Link]
Makoto Hikita, Osamu Niwa, Akio Sugita, Toshiaki Tamamura, Patterning of conducting polypyrrole in polymer film, Japanese Journal of Applied Physics 1985, 24(2), L79-L81.[Link]
Osamu Niwa, Makoto Hikita, Toshiaki Tamamura, Polymer-polypyrrole alloy films as semitransparent organic conductors, Applied Physics Letters 1985, 46(4), 444-446. [Link]

1984

Osamu Niwa, Toshiaki Tamamura, Electrochemical polymerization of pyrrole on polymer-coated electrodes, JCS., Chemical Communications 1984, (13), 817-818.[Link]
Atsushi Kumano, Osamu Niwa, Tisato Kajiyama, Motowo Takayanagi, Toyoki Kunitake, Koji Kano, Photoresponsive permeation characteristics of a ternary composite membrane of polymer/artificial lipid/azobenzene derivative, Polymer Journal 1984, 16(6), 461-470.[Link]
Atsushi Kumano, Osamu Niwa, Tisato Kajiyama, Motowo Takayanagi, Koji Kano, Seiji Shinkai, Photoinduced ion permeation through ternary composite membrane composed of polymer/liquid crystal/azobenzene-bridged crown ether, Chemistry Letters 1984, (8),1327-1330[Link]