FY 2025
N. Itoh, N. Hanari: "Quantification of benzo[a]pyrene in olive oil and its uncertainty evaluation", BUNSEKI KAGAKU, accepted.
N. Itoh: "Comparison of Lateral Resolutions Obtained by Different Methods for Confocal Raman Microscopes", Journal of Raman Spectroscopy, in press. DOI: 10.1002/jrs.6781
N. Itoh: "High-Purity Strontium Carbonate Shows the Narrowest Peak Width of Raman Scattering Light", Applied Spectroscopy, in press. DOI: 10.1177/00037028251318757
M. Kuroe, T. Yamazaki, N. Saito, Y. Shimizu, T. Ihara, M. Numata, N. Itoh: "Development of 3β,4α-dihydroxy-5α-androstan-17-one standard solution for doping analyses", Drug Testing and Analysis 17: 177-187, 2025. DOI: 10.1002/dta.3686
S. Westwood, R.D. Josephs, T. Choteau, G. Martos, R. Wielgosz, Y. Acho Sarzuri, E. Mendoza, E.C. Pires do Rego, F.G. Marques Violante, W. da Silva Souza, L. Junqueira de Carvalho, J.L. Nogueira Fernandes, J. Bates, I. Rajotte, J.E. Melanson, H. Li, Z. Guo, F. Su, S. Wang, T. Huang, B. Lalerle, F. Gantois, C. Piechotta, R. Philipp, K. Kaminski, U.-A. Klyk-Seitz, P. Giannikopoulou, E. Skotidaki, E. Kakoulides, C. Pui-Kwan, M. Kuroe, N. Itoh, M.A. Avila Calderón, L. Regalado Contreras, M. Arce Osuna, M. Alrashed, L. Ting, G.E. Mei, W. Juan, C. Pui Sze, T. Tang Lin, L. Quinn, C. Swiegelaar, M. Fernandes-Whaley, S. Ahn, T. Chaiphet, N. Sudsiri, W. Bellazreg, M. Bilsel, B. Binici, T. Hambidge, F. Almirón and G. Colombo. "Key comparison CCQM-K78.b - non-polar analytes in organic solvent: methoxychlor and trifluralin in acetonitrile", Metrologia 62(1A): 08010. DOI: 10.1088/0026-1394/62/1A/08010
N. Itoh: "Use of calcite for evaluation of spectral resolution of Raman spectrometers", Analytical Sciences 41: 95-100, 2025. DOI: 10.1007/s44211-024-00684-7
FY 2024
N.Itoh: "Verification of Si wafer first-order phonon peaks for reliable calibration of Raman microscopes", Journal of Raman Spectroscopy 55(3), 377-385, 2024. DOI: 10.1002/jrs.6630
FY 2023
A. Sacco, L. Mandrile, L.-L. Tay, N. Itoh, A. Raj, A. Moure, A. Del Campo, J.F. Fernandez, K.R. Paton, S. Wood, H. Kwon, T. Adel, A.R Hight Walker, E.H.M. Ferreira, R. Theissmann, T. Koch, A.M. Giovannozzi, C. Portesi, A.M. Rossi: "Quantification of titanium dioxide (TiO2) anatase and rutile polymorphs in binary mixtures by Raman spectroscopy: an interlaboratory comparison", Metrologia, 60: 055011, 2023. DOI: 10.1088/1681-7575/acf76d
Y. Shimizu, T. Yamazaki, X. Bao, S. Nakamura, T. Ihara, N. Itoh, M. Numata: "Reliable purity assay of highly hygroscopic trichloroacetic acid for development of high purity reference material of NMIJ CRM 4074-a", Analytical and Bioanalytical Chemistry 415: 2261-2269, 2023. DOI: 10.1007/s00216-023-04646-2
Y. Kitamaki, N. Aok, S. Aoki, H. Ishida, M. Suzumura: "Application of post-column reaction gas chromatography with a single reference gas for offshore air and gas seeped from the seafloor samples", Analytical Sciences 39: 619-623, 2023. DOI: 10.1007/s44211-023-00279-8
S. Westwood, K. Lippa, Y. Shimuzu, B. Lalerle, T. Saito, D. Duewer, X. Dai, S. Davies, M. Ricci, A. Baldan, B. Lang, S. Sarge, H. Wang, K. Pratt, R. Josephs, M. Mariassy, D. Pfeifer, J. Warren, W. Bremser, S. Ellison, B. Toman, M. Nelson, T. Huang, A. Fajgelj, A. Gören, L. Mackay, R. Wielgosz: "Methods for the SI-traceable value assignment of the purity of organic compounds (IUPAC Technical Report)", Pure and Applied Chemistry 95(1): 1–77, 2023. DOI: 10.1515/pac-2020-0804
N. Itoh: "Reliable estimation of wavenumbers for peaks of benzonitrile and cyclohexane", Journal of Raman Spectroscopy 54(1): 113-123, 2023. DOI: 10.1002/jrs.6462
FY 2022
N. Matsumoto, N. Itoh, K. Yamasaki: "Absolute Quantification of Pure Free Radical Reagents by Combination of the Effective Magnetic Moment Method and Quantitative Electron Paramagnetic Resonance Method", Analytical Chemistry 94(37), 12595–12603, 2022. DOI: https://doi.org/10.1021/acs.analchem.2c01005
N. Itoh, N. Hanari: "Reliable estimation of Raman shifts for peaks of L-cystine (NMIJ CRM 6025-a) in the low-frequency region", Analytical Sciences 38(4), 657-664, 2022. DOI: https://doi.org/10.1007/s44211-022-00080-z
FY 2021
N. Itoh, N. Hanari: "Development of a Polystyrene Reference Material for Raman Spectrometer (NMIJ RM 8158-a)", Analytical Sciences 37(11), 1533-1539, 2021. DOI: https://doi.org/10.2116/analsci.21P054
Y. Kitamaki, N. Saito, N. Sasaki, M. Morita, T. Sasaki, H. Miyamoto, M. Numata, T. Ihara: "Quantification of 23 Volatile Organic Compounds with a Single Reference Material Using Post-column Reaction Gas Chromatography Combined with a Stainless-steel Heating Furnace", Analytical Sciences 37(8), 1185-1188, 2021. DOI: 10.2116/analsci.20N036
M. Kuroe, M. Numata, N. Masumoto, Y. Nishizaki, N. Sugimoto, N. Itoh: "Use of Relative Molar Sensitivity as a Specific Value for Evaluating Heptaoxyethylene Dodecyl Ether Concentrations in Methanol Solution", Analytical Sciences 37(6), 917-919, 2021. DOI: 10.2116/analsci.20N031
FY 2020
N. Saito, Y. Kitamaki, T. Ihara: "Accurate Determination of Very Highly Volatile Chloroethylene in the Standard Solution by Quantitative 1H NMR" Environmental Chemistry Letters 19, 1893-1901, 2021. DOI: 10.1007/s10311-020-01127-1
N. Saito, T. Komatsu, T. Suematsu, T. Miyamoto, T. Ihara: "Unique Usage of a Classical Selective Homodecoupling Sequence for High-Resolution Quantitative 1H NMR", Analytical Chemistry 92(20), 13652-13655, 2020. DOI: 10.1021/acs.analchem.0c03154
N. Itoh, K. Shirono: "Reliable estimation of Raman shift and its uncertainty for a non‐doped Si substrate (NMIJ CRM 5606-a)", Journal of Raman Spectroscopy 51(12), 2496-2504, 2020. DOI: 10.1002/jrs.6003
N. Itoh, N. Hanari: "Reliable Evaluation of the Lateral Resolution of a Confocal Raman Microscope by Using the Tungsten-dot Array Certified Reference Material", Analytical Sciences 36(8), 1009-1013, 2020. DOI: 10.2116/analsci.20P046
FY 2019
S. Westwood, T. Yamazaki, T. Huang, B. Garrido, I. Ün, W. Zhang, G. Martos, N. Stoppacher, T. Saito, R. Wielgosz: "Development and validation of a suite of standards for the purity assignment of organic compounds by quantitative NMR spectroscopy", Metrologia 56(6), 64001,2019. DOI:10.1088/1681-7575/ab45cb
M. Numata, Y. Kitamaki, Y. Shimizu, T. Yamazaki, N. Saito, M. Kuroe, N. Hanari, K. Ishikawa, T. Saito, T. Ihara: "Conventional and new traceability schemes of organic standards for safe water supply in Japan", Metlorogia 56(3), 034003, 2019. DOI: 10.1681-7575/ab04c6
FY 2018
Y. Kitamaki, N. Saito, M. Numata, T Ihara: "Application of post-column reaction GC for accurate and direct determination of musty odor substances in standard solution", Accreditation and Quality Assurance 23, 297–302, 2018. DOI: 10.1007/s00769-018-1338-4
N. Saito, Y. Kitamaki, S. Otsuka, N. Yamanaka, Y. Nishizaki, N. Sugimoto, H. Imura, T. Ihara: "Extended internal standard method for quantitative 1H NMR assisted by chromatography (EIC) for analyte overlapping impurity on 1H NMR spectra", Talanta 184, 484-490, 2018. DOI: 10.1016/j.talanta.2018.03.003
M. Kuroe, N. Saito, T. Taichi, Y. Nishizaki, N. Sugimoto, M. Numata, T. Ihara: "Characterization of a Heptaoxyethylene Dodecyl Ether Standard Solution by a Combination of 1H Quantitative NMR Spectroscopy and HPLC (in Japanese)", BUNSEKI KAGAKU, 67(9), 541-549, 2018. DOI:10.2116/bunsekikagaku.67.541
FY 2017
Y. Kitamaki, N. Saito, T. Yamazaki, S. Otsuka, S. Nakamura, Y. Nishizaki, N. Sugimoto, M. Numata, T. Ihara: "Determination of PAHs in Solution with a Single Reference Standard by a Combination of 1H Quantitative NMR Spectroscopy and Chromatography", Analytical Chemistry 89(13), 6963–6968, 2017. DOI: 10.1021/acs.analchem.6b05074
T. Yamazaki, T. Saito, T. Ihara: "A new approach for accurate quantitative determination using fluorine nuclear magnetic resonance spectroscopy", Journal of Chemical Metrology 11(1), 16-22, 2017. DOI: 10.25135/jcm.3.17.03.036
T. Yamazaki, S. Eyama, A. Takatsu, "Concentration Measurement of Amino Acid in Aqueous Solution by Quantitative 1 H NMR Spectroscopy with Internal Standard Method", Analytical Sciences 33(3), 369-373, 2017. DOI: 10.2116/analsci.33.369
N. Saito, T. Satio, T. Yamazaki, Y. Fujimine, T. Ihara: "Establishment of an analytical method for accurate purity evaluations of acylcarnitines by using quantitative 1H NMR spectroscopy", Accreditation and Quality Assurance 22, 171-178, 2017. DOI: 10.1007/s00769-017-1263-y
T. Yamazaki, S. Nakamura, T. Saito: "Optimization of sample preparation for accurate results in quantitative NMR spectroscopy", Metrologia 54, 224-228, 2017, DOI: 10.1088/1681-7575/aa5a15
FY 2016
Y. Kitamaki, Y. Zhu, M. Numata: "Accurate Characterization of Sulfur in Biodiesel Fuel Certified Reference Material", Journal of the Japan Petroleum Institute 59(6), 317-321, 2016. DOI: 10.1627/jpi.59.317