Measurement of the novel decapeptide cetrorelix in human plasma and urine by liquid chromatography–electrospray ionization mass spectrometry M Niwa, K Enomoto, K Yamashita Journal of Chromatography B: Biomedical Sciences and Applications 729 (1-2 …, 1999 | 41 | 1999 |
Effectiveness of social measures against COVID-19 outbreaks in selected Japanese regions analyzed by system dynamic modeling M Niwa, Y Hara, S Sengoku, K Kodama International Journal of Environmental Research and Public Health 17 (17), 6238, 2020 | 31 | 2020 |
Chemical derivatization as a tool for optimizing MS response in sensitive LC–MS/MS bioanalysis and its role in pharmacokinetic studies M Niwa Bioanalysis 4 (2), 213-220, 2012 | 31 | 2012 |
2017 White Paper on recent issues in bioanalysis: rise of hybrid LBA/LCMS immunogenicity assays (Part 2: hybrid LBA/LCMS biotherapeutics, biomarkers & immunogenicity assays and … H Neubert, A Song, A Lee, C Wei, J Duggan, K Xu, E Woolf, C Evans, ... Bioanalysis 9 (23), 1895-1912, 2017 | 30 | 2017 |
Determination of testosterone concentrations in rat plasma using liquid chromatography–atmospheric pressure chemical ionization mass spectrometry combined with ethyl oxime and … M Niwa, N Watanabe, H Ochiai, K Yamashita Journal of Chromatography B 824 (1-2), 258-266, 2005 | 22 | 2005 |
Chemical derivatization in LC–MS bioanalysis: current & future challenges M Niwa, M Watanabe, N Watanabe Bioanalysis 7 (19), 2443-2449, 2015 | 10 | 2015 |
2017 White Paper: rise of hybrid LBA/LCMS immunogenicity assays (Part 2: hybrid LBA/LCMS biotherapeutics, biomarkers & immunogenicity assays and regulatory agencies' inputs). H Neubert, A Song, A Lee, C Wei, J Duggan, K Xu, E Woolf, C Evans, ... Bioanalysis 9 (23), 1895-1912, 2017 | 9 | 2017 |
Vanilloyl acetic acid as an unstable intermediate from β-hydroxypropiovanillone to acetovanillone M Niwa, Y Saburi Walter de Gruyter 56 (4), 360-362, 2002 | 8 | 2002 |
Effectiveness of social measures against COVID-19 outbreaks in Japanese several regions analyzed by system dynamic modeling M Niwa, Y Hara, S Sengoku, K Kodama Available at SSRN 3653579, 2020 | 7 | 2020 |
Reactivity and Stability of Lignostilbene-, -Dioxygenase-I in Various pHs, Temperatures, and in Aqueous Organic Solvents N Makoto, S Kamoda, Y Saburi Journal of microbiology and biotechnology 11 (5), 884-886, 2001 | 6 | 2001 |
Sensitive measurement of vinorelbine in dog plasma by liquid chromatography–electrospray ionization tandem mass spectrometry utilizing transitions from double‐charged precursor … M Niwa, T Kawashiro Biomedical Chromatography 25 (4), 517-523, 2011 | 5 | 2011 |
Tiered approach to metabolite quantification: regional practices reviewed by Japan Bioanalysis Forum discussion group M Niwa, T Uchimura, N Koseki, M Satsukawa, Y Hashimoto, T Mayumi, ... Bioanalysis 7 (8), 935-938, 2015 | 4 | 2015 |
Superiority of mild interventions against COVID-19 on public health and economic measures M Niwa, Y Hara, Y Matsuo, H Narita, Y Lim, S Sengoku, K Kodama Journal of Personalized Medicine 11 (8), 719, 2021 | 3 | 2021 |
Improved In Vitro-In Vivo Correlation by Using the Unbound-Fraction-Adjusted IC50 for Breast Cancer Resistance Protein Inhibition S Imai, T Arai, T Yamada, M Niwa Pharmaceutical Research 37, 1-11, 2020 | 3 | 2020 |
Derivatization and labeling techniques M Niwa Academic Press, 2019 | 3 | 2019 |
Determination of Waste Management Workers’ Physical and Psychological Load: A Cross-Sectional Study Using Biometric Data I Kageyama, N Hashiguchi, J Cao, M Niwa, Y Lim, M Tsutsumi, J Yu, ... International Journal of Environmental Research and Public Health 19 (23), 15964, 2022 | 2 | 2022 |
Evaluation of the uncertainty of a quantitative approach to drug metabolites in the absence of authentic standards M Niwa, N Nakai, S Hosaka, T Ishii, T Mayumi, A Ueda, T Yamakawa, ... Bioanalysis 12 (01), 7-10, 2020 | 2 | 2020 |
Long-lasting immunosuppressive effects of tacrolimus-loaded micelle NK61060 in preclinical arthritis and colitis models T Sato, J Konno, A Sekiguchi, N Yoneki, K Kawano, T Hayashi, Y Ogawa, ... Therapeutic Delivery 9 (10), 711-729, 2018 | 2 | 2018 |
A perceptual system for vision-based evolutionary robotics N Kubota, M Niwa, H Azuma, A Ueda International Conference on Neural Networks and Signal Processing, 2003 …, 2003 | 2 | 2003 |
Handling unstable analytes: literature review and expert panel survey by the Japan Bioanalysis Forum Discussion Group M Niwa, A Kondo, E Shibutani, A Tsuruta, E Shimada, S Hirata, N Fujino, ... Bioanalysis 14 (3), 169-185, 2021 | 1 | 2021 |