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Employment (2)

Kumamoto University: Kumamoto, Kumamoto, JP

1994-07-01 to present | Professor (Department of Chemistry)
Employment
Source: Self-asserted source
Kei Toda

Kabushiki Kaisha Horiba Stec: Kyoto, JP

1985-03-21 to 1994-06-30 (Research and Development)
Employment
Source: Self-asserted source
Kei Toda

Works (19)

Measurement of atmospheric amines and aminoamides by column adsorption/extraction and hydrophilic liquid chromatography-electrospray-tandem mass spectrometry

Analytical Sciences
2024-10 | Journal article
DOI: 10.1007/s44211-024-00626-3
Contributors: Kentaro Saeki; Kazuya Ikari; Shin-Ichi Ohira; Kei Toda
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Crossref

Two-step extraction for the evaluation of metal–organic framework impregnated materials

Analytical Sciences
2024-09 | Journal article
DOI: 10.1007/s44211-024-00608-5
Contributors: Mizuki Mukai; Reetu Rani; Nao Iwanaga; Kentaro Saeki; Kei Toda; Shin-Ichi Ohira
Source: check_circle
Crossref

Abundant production of dimethylsulfoniopropionate as a cryoprotectant by freshwater phytoplanktonic dinoflagellates in ice-covered Lake Baikal

Communications Biology
2023-11-24 | Journal article
DOI: 10.1038/s42003-023-05573-9
Contributors: Kei Toda; Vladimir Obolkin; Shin-Ichi Ohira; Kentaro Saeki
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Crossref

Abundant production of dimethylsulfoniopropionate as a cryoprotectant by freshwater phytoplankton in ice-covered Lake Baikal

2023-01-31 | Preprint
DOI: 10.21203/rs.3.rs-2468095/v1
Contributors: Kei Toda; Vladimir Obolkin; Shin-Ichi Ohira; Kentaro Saeki
Source: check_circle
Crossref

Diurnal variations of gaseous and particulate nitrophenol isomers in the atmosphere monitored by using wet scrubbing online preconcentration

Environmental Science: Atmospheres
2022 | Journal article
DOI: 10.1039/D2EA00021K
Contributors: Kunio Sakakibara; Misaki Taira; Kanako Nagatomi; Genki Kuriyama; Shin-Ichi Ohira; Kei Toda
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Crossref

Electrodialytic Universal Synthesis of Highly Pure and Mixed Ionic Liquids

ACS Omega
2022-06-28 | Journal article
DOI: 10.1021/acsomega.2c02209
Contributors: Md. Aminul Haque; Kei Toda; Shin-Ichi Ohira
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Crossref

Highly Efficient Separation of Ultratrace Radioactive Copper Using a Flow Electrolysis Cell

ACS Omega
2022-05-10 | Journal article
DOI: 10.1021/acsomega.2c00828
Contributors: Yumi Sugo; Shin-Ichi Ohira; Hinako Manabe; Yo-hei Maruyama; Naoaki Yamazaki; Ryoma Miyachi; Kei Toda; Noriko S. Ishioka; Masanobu Mori
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Crossref

Electrodialytic Enrichment and Matrix Conversion for the Determination of Trace Metals in Ultra-Pure Water

ACS Omega
2022-04-26 | Journal article
DOI: 10.1021/acsomega.2c00648
Contributors: Yusuke Okazaki; Shigeyuki Hoshi; Toshimasa Kato; Takeo Fukui; Kei Toda; Shin-Ichi Ohira
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Crossref

Biogenic Diamines and Their Amide Derivatives Are Present in the Forest Atmosphere and May Play a Role in Particle Formation

ACS Earth and Space Chemistry
2022-02-17 | Journal article
DOI: 10.1021/acsearthspacechem.1c00404
Contributors: Kentaro Saeki; Kazuya Ikari; Hiroyuki Yokoi; Shin-Ichi Ohira; Hiroshi Okochi; Kei Toda
Source: check_circle
Crossref

Rapid Flow-Based System for Separation of Radioactive Metals by Selective Complex Formation

Analytical Chemistry
2021-12-28 | Journal article
DOI: 10.1021/acs.analchem.1c03866
Contributors: Yumi Sugo; Ryoma Miyachi; Syohei Obata; Yo-hei Maruyama; Hinako Manabe; Masanobu Mori; Noriko S. Ishioka; Kei Toda; Shin-Ichi Ohira
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Crossref

Indirect Potentiometric pH Detection of Weak Acids with Absolute Quantitation by a Theoretical Approach

Analytical Chemistry
2021-09-14 | Journal article
DOI: 10.1021/acs.analchem.1c01987
Contributors: Shin-Ichi Ohira; Yuka Sato; Kazuki Horiuchi; Charles Phillip Shelor; Kei Toda
Source: check_circle
Crossref

Natural dimethyl sulfide gradients would lead marine predators to higher prey biomass

Communications Biology
2021-02-01 | Journal article
DOI: 10.1038/s42003-021-01668-3
Contributors: Kylie Owen; Kentaro Saeki; Joseph D. Warren; Alessandro Bocconcelli; David N. Wiley; Shin-Ichi Ohira; Annette Bombosch; Kei Toda; Daniel P. Zitterbart
Source: check_circle
Crossref

Determination of oxoanions and water-soluble species of arsenic, selenium, antimony, vanadium, and chromium eluted in water from airborne fine particles (PM2.5): effect of acid and transition metal content of particles on heavy metal elution

Environmental Science: Processes & Impacts
2020 | Journal article
DOI: 10.1039/D0EM00135J
Contributors: Misaki Taira; Kunio Sakakibara; Kentaro Saeki; Shin-Ichi Ohira; Kei Toda
Source: check_circle
Crossref

Electrodialytic Handling of Radioactive Metal Ions for Preparation of Tracer Reagents

Analytical Chemistry
2020-11-17 | Journal article
DOI: 10.1021/acs.analchem.0c02456
Contributors: Yumi Sugo; Ryoma Miyachi; Yo-hei Maruyama; Shin-Ichi Ohira; Masanobu Mori; Noriko S. Ishioka; Kei Toda
Source: check_circle
Crossref

Measurement Device for Ambient Carbonyl Sulfide by Means of Catalytic Reduction Followed by Wet Scrubbing/Fluorescence Detection

ACS Omega
2020-10-13 | Journal article
DOI: 10.1021/acsomega.0c02985
Contributors: Kodai Abe; Koki Shimohira; Yusuke Miki; Yasuo Hirose; Shin-Ichi Ohira; Kei Toda
Source: check_circle
Crossref

Dimethylsulfide (DMS) fluxes from permeable coral reef carbonate sediments

Marine Chemistry
2019-01 | Journal article
DOI: 10.1016/j.marchem.2018.11.008
Contributors: Elisabeth Deschaseaux; Laura Stoltenberg; Victoria Hrebien; Edwin P. Koveke; Kei Toda; Bradley D. Eyre
Source: check_circle
Crossref

Diurnal Variations in Partitioning of Atmospheric Glyoxal and Methylglyoxal between Gas and Particles at the Ground Level and in the Free Troposphere

ACS Earth and Space Chemistry
2018-09-20 | Journal article
DOI: 10.1021/acsearthspacechem.8b00037
Contributors: Kasumi Mitsuishi; Masakazu Iwasaki; Masaki Takeuchi; Hiroshi Okochi; Shungo Kato; Shin-Ichi Ohira; Kei Toda
Source: check_circle
Crossref

Universal HPLC Detector for Hydrophilic Organic Compounds by Means of Total Organic Carbon Detection

Analytical Chemistry
2018-06-05 | Journal article
DOI: 10.1021/acs.analchem.7b04849
Contributors: Shin-Ichi Ohira; Kyosuke Kaneda; Toru Matsuzaki; Shuta Mori; Masanobu Mori; Kei Toda
Source: check_circle
Crossref

Arsine gas sensor based on gold-modified reduced graphene oxide

Sensors and Actuators B: Chemical
2017-03 | Journal article
DOI: 10.1016/j.snb.2016.08.131
Contributors: Ryo Furue; Edwin P. Koveke; Shotaro Sugimoto; Yuta Shudo; Shinya Hayami; Shin-Ichi Ohira; Kei Toda
Source: check_circle
Crossref

Peer review (13 reviews for 7 publications/grants)

Review activity for ACS sensors. (1)
Review activity for Analytical chemistry. (4)
Review activity for Analytical sciences. (1)
Review activity for Environmental science & technology. (3)
Review activity for Journal of chromatography. (2)
Review activity for Marine chemistry. (1)
Review activity for Marine pollution bulletin. (1)
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