| Electrochemical behavior of reversible redox species at interdigitated array electrodes with different geometries: consideration of redox cycling and collection efficiency O Niwa, M Morita, H Tabei Analytical Chemistry 62 (5), 447-452, 1990 | 382 | 1990 |
| Small-volume voltammetric detection of 4-aminophenol with interdigitated array electrodes and its application to electrochemical enzyme immunoassay O Niwa, Y Xu, HB Halsall, WR Heineman Analytical chemistry 65 (11), 1559-1563, 1993 | 367 | 1993 |
| Characterization of platinum nanoparticle-embedded carbon film electrode and its detection of hydrogen peroxide T You, O Niwa, M Tomita, S Hirono Analytical chemistry 75 (9), 2080-2085, 2003 | 364 | 2003 |
| Quantitative analysis of reversible diffusion-controlled currents of redox soluble species at interdigitated array electrodes under steady-state conditions K Aoki, M Morita, O Niwa, H Tabei Journal of electroanalytical chemistry and interfacial electrochemistry 256 …, 1988 | 334 | 1988 |
| An amperometric detector formed of highly dispersed Ni nanoparticles embedded in a graphite-like carbon film electrode for sugar determination T You, O Niwa, Z Chen, K Hayashi, M Tomita, S Hirono Analytical chemistry 75 (19), 5191-5196, 2003 | 253 | 2003 |
| On-chip enzyme immunoassay of a cardiac marker using a microfluidic device combined with a portable surface plasmon resonance system R Kurita, Y Yokota, Y Sato, F Mizutani, O Niwa Analytical chemistry 78 (15), 5525-5531, 2006 | 202 | 2006 |
| Electrochemical Performance of Angstrom Level Flat Sputtered Carbon Film Consisting of sp2 and sp3 Mixed Bonds O Niwa, J Jia, Y Sato, D Kato, R Kurita, K Maruyama, K Suzuki, S Hirono Journal of the American Chemical Society 128 (22), 7144-7145, 2006 | 202 | 2006 |
| A nanocarbon film electrode as a platform for exploring DNA methylation D Kato, N Sekioka, A Ueda, R Kurita, S Hirono, K Suzuki, O Niwa Journal of the American Chemical Society 130 (12), 3716-3717, 2008 | 185 | 2008 |
| Concentration of Extracellular l-Glutamate Released from Cultured Nerve Cells Measured with a Small-Volume Online Sensor O Niwa, K Torimitsu, M Morita, P Osborne, K Yamamoto Analytical Chemistry 68 (11), 1865-1870, 1996 | 153 | 1996 |
| Electrochemical polymerization of pyrrole on polymer-coated electrodes O Niwa, T Tamamura Journal of the Chemical Society, Chemical Communications, 817-818, 1984 | 148 | 1984 |
| Detection of electrochemical enzymatic reactions by surface plasmon resonance measurement Y Iwasaki, T Horiuchi, O Niwa Analytical chemistry 73 (7), 1595-1598, 2001 | 143 | 2001 |
| Interdigitated array microelectrodes as electrochemical sensors M Morita, O Niwa, T Horiuchi Electrochimica acta 42 (20-22), 3177-3183, 1997 | 128 | 1997 |
| Electrochemical detection method and apparatus therefor T Horiuchi, O Niwa, H Tabei, M Morita US Patent 5,389,215, 1995 | 122 | 1995 |
| Fiber-optic conical microsensors for surface plasmon resonance using chemically etched single-mode fiber K Kurihara, H Ohkawa, Y Iwasaki, O Niwa, T Tobita, K Suzuki Analytica Chimica Acta 523 (2), 165-170, 2004 | 121 | 2004 |
| Characterization and electrochemical properties of highly dispersed copper oxide/hydroxide nanoparticles in graphite-like carbon films prepared by RF sputtering method T You, O Niwa, M Tomita, H Ando, M Suzuki, S Hirono Electrochemistry communications 4 (5), 468-471, 2002 | 118 | 2002 |
| Structure and electrochemical properties of carbon films prepared by a electron cyclotron resonance sputtering method J Jia, D Kato, R Kurita, Y Sato, K Maruyama, K Suzuki, S Hirono, T Ando, ... Analytical chemistry 79 (1), 98-105, 2007 | 117 | 2007 |
| Fabrication and characteristics of vertically separated interdigitated array electrodes O Niwa, M Morita, H Tabei Journal of electroanalytical chemistry and interfacial electrochemistry 267 …, 1989 | 116 | 1989 |
| Voltammetric measurements of reversible and quasi-reversible redox species using carbon film based interdigitated array microelectrodes O Niwa, H Tabei Analytical Chemistry 66 (2), 285-289, 1994 | 113 | 1994 |
| A surface plasmon resonance immunosensor for detecting a dioxin precursor using a gold binding polypeptide N Soh, T Tokuda, T Watanabe, K Mishima, T Imato, T Masadome, ... Talanta 60 (4), 733-745, 2003 | 110 | 2003 |
| Microfluidic device integrated with pre-reactor and dual enzyme-modified microelectrodes for monitoring in vivo glucose and lactate R Kurita, K Hayashi, X Fan, K Yamamoto, T Kato, O Niwa Sensors and Actuators B: Chemical 87 (2), 296-303, 2002 | 105 | 2002 |
