Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Kazunari TAKAYA"'
1
Akademický článek
Real-time monitoring of the work environment using ion-mobility spectrometry
Autor: Kazunari Takaya, Nobuyuki Shibata, Masayoshi Hagiwara, Mitsutoshi Takaya, Shiro Matoba
Publikováno v: Environmental and Occupational Health Practice, Vol 6, Iss 1 (2024)
Objectives: Ion-mobility spectrometry (IMS) is a promising system for on-site real-time monitoring of volatile organic compounds (VOCs). Calibration curves derived from shifts in nominal arrival-time spectra of chemical substances relative to those o
Externí odkaz: https://doaj.org/article/359d98b07d4c46a0a4c0c95d2f93d52a
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2
Akademický článek
Application of Ion-Mobility Spectrometry to Chemical Analysis at High Concentrations
Autor: Kazunari Takaya, Nobuyuki Shibata
Publikováno v: Atmosphere, Vol 13, Iss 9, p 1380 (2022)
Ion-mobility spectrometry (IMS) can perform qualitative and quantitative analysis of multicomponent chemical mixtures in real time, which is difficult for commonly used instruments such as gas chromatography–mass spectrometry and photo-ionization d
Externí odkaz: https://doaj.org/article/34f04f5269444fbe83db69e2fbbfe6f4
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4
A real-time gas monitoring system based on ion mobility spectrometry for workplace environmental measurements
Autor: Mitutoshi Takaya, Kazunari Takaya, Masayoshi Hagiwara, Nobuyuki Shibata, Shiro Matoba
Publikováno v: Industrial health. 60(1)
A volatile organic compounds (VOC) gas monitor was developed using an ion mobility spectrometer (IMS). It was designed for real-time monitoring in work environments, where gas chromatography/mass spectrometry (GC/MS) does not perform well. To evaluat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52424549532cf15290060ca3f8056c6d
https://pubmed.ncbi.nlm.nih.gov/34744094
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5
Assessment of Personal Relaxation in Indoor-Air Environments: Study in Real Full-Scale Laboratory Houses
Autor: Kayo Tsumura, Norimichi Suzuki, Kazunari Takaya, Masamichi Hanazato, Yoshitake Nakayama, Emiko Todaka, Kohki Takaguchi, Hiroko Nakaoka, Chisato Mori
Publikováno v: International Journal of Environmental Research and Public Health
Volume 18
Issue 19
International Journal of Environmental Research and Public Health, Vol 18, Iss 10246, p 10246 (2021)
The relationship between chemical concentrations in indoor air and the human sense of comfort and relaxation have been reported. We investigated the effect of the sum of volatile organic compounds (ΣVOCs
sum of 79 VOCs) on the level of relaxati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d4521e635b2ecbb1e30739e1175b12a
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6
Changes in the concentration of volatile organic compounds and aldehydes in newly constructed houses over time
Autor: Kayo Tsumura, Chisato Mori, S. Tanaka, Hiroko Nakaoka, Yoshitake Nakayama, Masamichi Hanazato, Norimichi Suzuki, K. Matsushita, R. Iwayama, Kazunari Takaya
Publikováno v: International Journal of Environmental Science and Technology. 17:333-342
Nowadays, people spend most of their time indoors; thus, the indoor environment greatly affects human health because of exposure to chemicals indoors. Thus, in collaboration with Japanese house builders, a list of building materials having low volati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::399f872030ae6e8145ee154ca5b2e09c
https://doi.org/10.1007/s13762-019-02503-3
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7
Concentrations of Formic Acid, Acetic Acid, and Ammonia in Newly Constructed Houses
Autor: Kohki Takaguchi, Hiroko Nakaoka, Chisato Mori, Emiko Todaka, Masamichi Hanazato, Yoshitake Nakayama, Norimichi Suzuki, Kazunari Takaya, Kayo Tsumura, Akifumi Eguchi
Publikováno v: International Journal of Environmental Research and Public Health
Volume 17
Issue 6
International Journal of Environmental Research and Public Health, Vol 17, Iss 6, p 1940 (2020)
Herein, the concentrations of formic acid, acetic acid, and ammonia in samples of indoor air for 47 new houses were measured two weeks after completion. The houses were fabricated with light-gauge steel structures. The measurements were performed in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da13aba102d2b9c18a2b8ea0851a06a7
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8
Emission rates of substances from low-volatile-organic-compound paints
Autor: Yoshitake Nakayama, Chisato Mori, Hiroko Nakaoka, Masamichi Hanazato, Kazunari Takaya, Norimichi Suzuki
Publikováno v: International Journal of Environmental Science and Technology. 16:4543-4550
Globally, sick building syndrome remains a considerable social issue. It is primarily caused by the emission of volatile organic compounds (VOCs) from construction materials. Among these, paints and sealers are used over wide swaths of are a and thei
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88db5e454a2f67ddde6a4662ec175772
https://doi.org/10.1007/s13762-018-2093-0
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9
Mobilities of CH 3 O + , C 2 H 5 O + and C 3 H 7 O + ions in He gas
Autor: Tetsuo Koizumi, Kazunari Takaya, Yuya Hasegawa
Publikováno v: Chemical Physics Letters. 679:21-24
Mobilities of polyatomic molecule ions in helium gas were measured at 85 K and room temperature using a low-temperature drift tube. They differed from the typical behavior shown by atomic or small molecular ions in helium owing to the influence of at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42b9f08a2bbc02d25aa6ab4c735731f6
https://doi.org/10.1016/j.cplett.2017.04.063
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