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Journal of AOAC International|October 21, 2025
Evaluation of the Applicability of Modified QuEChERS with Small-Scale SPE for the Analysis of Neonicotinoid Insecticides in Beetroot and Paprika PowderTakamitsu Otake, Kaori Machida, Ayako KimuraJournal of Pesticide Science|December 13, 2023
A simple reliable quantification of glyphosate in human urine using MonoSpin TiO extraction and isotope dilution mass spectrometryTakamitsu Otake, Keisuke Nakamura, Nobuyasu HanariJournal of Pesticide Science|October 14, 2024
A reliable quantification of organophosphorus pesticides in brown rice samples for proficiency testing using Japanese official analytical method, QuEChERS, and modified QuEChERS combined with isotope dilution mass spectrometryTakamitsu Otake, Keisuke Nakamura, Naoyuki Hirabayashi, et al.Analytical and Bioanalytical Chemistry|May 18, 2010
Characterization of certified reference material for quantification of polychlorinated biphenyls and organochlorine pesticides in fishTakamitsu Otake, Yoshie Aoyagi, Takashi Yarita, et al.Journal of AOAC International|April 4, 2012
Evaluation of microwave-assisted extraction for the analysis of organophosphorus and pyrethroid pesticides in green onionsTakamitsu Otake, Youko Kuroda, Yoshie Aoyagi, et al.Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes|May 28, 2019
Evaluation of the impact of matrix effects in LC/MS measurement on the accurate quantification of neonicotinoid pesticides in food by isotope-dilution mass spectrometryKeisuke Nakamura, Takamitsu Otake, Nobuyasu Hanari, et al.Journal of AOAC International|November 5, 2008
Evaluation of microwave-assisted extraction for the analysis of polychlorinated biphenyls and organochlorine pesticides in fishTakamitsu Otake, Yoshie Aoyagi, Masahiko Numata, et al.Journal of AOAC International|November 28, 2020
Development of Artificial Urine Certified Reference Material for Quantification of Neonicotinoid InsecticidesTakamitsu Otake, Shoji F Nakayama, Tomohiko Isobe, et al.Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes|June 26, 2008
Evaluation of pressurized liquid extraction for the analysis of four pesticides in unpolished riceTakamitsu Otake, Yoshie Aoyagi, Mayumi Matsuo, et al.Environmental Monitoring and Assessment|February 2, 2017
Development of plastic disks containing flame retardants for elucidating changes in their concentrations due to simulated weathering and the application of these disks to weathering testsNobuyasu Hanari, Takamitsu Otake, Nobuyasu Itoh, et al.Pageof 4