Search Results - "SAKUGAWA, HIROSHI"

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  1. 1

    Transesterification of soybean oil using combusted oyster shell waste as a catalyst by Nakatani, Nobutake, Takamori, Hitoshi, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in Bioresource technology (01-02-2009)
    “…Transesterification of soybean oil catalyzed by combusted oyster shell, which is waste material from shellfish farms, was examined. Powdered oyster shell…”
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    Journal Article
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    Polycyclic aromatic hydrocarbons in urban road dust, Afghanistan: Implications for human health by Khpalwak, Wahdatullah, Jadoon, Waqar Azeem, Abdel-dayem, Sherif M., Sakugawa, Hiroshi

    Published in Chemosphere (Oxford) (01-03-2019)
    “…Polycyclic aromatic hydrocarbons (PAHs) were analyzed in road and aerial dust to assess their concentration, composition profile, distribution, emission…”
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  3. 3

    Sulfate Radical-Based Advanced Oxidation Technology to Remove Pesticides From Water A Review of the Most Recent Technologies by Derbalah, Aly, Sakugawa, Hiroshi

    “…Pesticides are being discharged into the environment at an increasing rate, particularly into water resources, as agricultural productivity increases. These…”
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    Trends in the Usage of Fenobucarb, the Commonly Used Carbamate Insecticide in Japan, in Relation to River Water Concentration and Risk Assessment by Derbalah, Aly, Sakugawa, Hiroshi

    “…Monitoring the usage trends of pesticides over time is an important indicator of the discharge and pollution of the water with its residues, and also helps in…”
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    Singlet Oxygen Photogeneration in Coastal Seawater: Prospect of Large-Scale Modeling in Seawater Surface and Its Environmental Significance by Sunday, Michael O, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in Environmental science & technology (19-05-2020)
    “…Chromophoric-dissolved organic matter (CDOM) acts as the precursor to singlet oxygen (1O2) in natural waters, while water acts as the main scavenger. In this…”
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    Diuron, Irgarol 1051 and Fenitrothion contamination for a river passing through an agricultural and urban area in Higashi Hiroshima City, Japan by Kaonga, Chikumbusko Chiziwa, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in The Science of the total environment (15-06-2015)
    “…A study was conducted on the pesticides Diuron, Irgarol 1051 and Fenitrothion in Kurose River water, Higashi Hiroshima, Japan for a period of one year to…”
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    Novel Fluorometric Method for the Determination of Production Rate and Steady-State Concentration of Photochemically Generated Superoxide Radical in Seawater Using 3′,6′-(Diphenylphosphinyl)fluorescein by Anifowose, Adebanjo Jacob, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in Analytical chemistry (Washington) (15-12-2015)
    “…Superoxide radical (O2 •–) is an important reactive oxygen species in seawater. Measurements of its production rates and steady-state concentrations generated…”
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    Dynamics and Mass Balance of Polycyclic Aromatic Hydrocarbons in and Around the Seto Inland Sea, Japan by Tsuji, Hiroaki, Akiyoshi, Yuta, Asakawa, Daichi, Nakashita, Shinya, Iwamoto, Yoko, Sakugawa, Hiroshi, Takeda, Kazuhiko

    “…Polycyclic aromatic hydrocarbons (PAHs) were analyzed to elucidate the distribution, ecological risk, pathways, and fluxes of these pollutants in and around…”
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    Carbaryl residue concentrations, degradation, and major sinks in the Seto Inland Sea, Japan by Derbalah, Aly, Chidya, Russel, Kaonga, Chikumbusko, Iwamoto, Yoko, Takeda, Kazuhiko, Sakugawa, Hiroshi

    “…The fate of carbaryl in the Seto Inland Sea (west Japan) was predicted using a mass distribution model using carbaryl concentrations in river and sea water…”
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    Occurrence of Diuron and Irgarol in seawater, sediments and planktons of Seto Inland Sea, Japan by BALAKRISHNAN, SARANGARAJA, TAKEDA, KAZUHIKO, SAKUGAWA, HIROSHI

    Published in GEOCHEMICAL JOURNAL (01-01-2012)
    “…The concentrations of the herbicide Diuron and algaecide Irgarol in the Seto Inland Sea, Japan, were assessed for October 2008 and October 2009. Overall, 29…”
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  14. 14

    Photoformation rate, steady-state concentration and lifetime of nitric oxide radical (NO) in a eutrophic river in Higashi-Hiroshima, Japan by Anifowose, Adebanjo Jacob, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in Chemosphere (Oxford) (01-01-2015)
    “…•Nitrite is a major source of NO photoformation in the Kurose River.•OH is not a major sink of NO in the Kurose River, scavenging only ⩽0.0011%.•Steady-state…”
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    Reviews and Syntheses: Ocean acidification and its potential impacts on marine ecosystems by Mostofa, Khan M. G, Liu, Cong-Qiang, Zhai, WeiDong, Minella, Marco, Vione, Davide, Gao, Kunshan, Minakata, Daisuke, Arakaki, Takemitsu, Yoshioka, Takahito, Hayakawa, Kazuhide, Konohira, Eiichi, Tanoue, Eiichiro, Akhand, Anirban, Chanda, Abhra, Wang, Baoli, Sakugawa, Hiroshi

    Published in Biogeosciences (23-03-2016)
    “…Ocean acidification, a complex phenomenon that lowers seawater pH, is the net outcome of several contributions. They include the dissolution of increasing…”
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    Organic matter degradation characteristics of coastal marine sediments collected from the Seto Inland Sea, Japan by Asaoka, Satoshi, Jadoon, Waqar Azeem, Umehara, Akira, Takeda, Kazuhiko, Otani, Sosuke, Ohno, Masaki, Fujitake, Nobuhide, Sakugawa, Hiroshi, Okamura, Hideo

    Published in Marine chemistry (10-09-2020)
    “…Organic matter in marine sediment is mainly categorized into three fractions depending on degradability: labile, semi labile and refractory. The degradability…”
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    Antifouling agents and Fenitrothion contamination in seawater, sediment, plankton, fish and selected marine animals from the Seto Inland Sea, Japan by Kaonga, Chikumbusko Chiziwa, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in GEOCHEMICAL JOURNAL (01-01-2015)
    “…Studies have shown that Diuron, Irgarol 1051 and Fenitrothion are toxic to reef building (hermatypic) corals, non-target marine algae and a wide variety of…”
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    A fluorometric method for the selective determination of lipid hydroperoxides in river water by Sunday, Michael Oluwatoyin, Sakugawa, Hiroshi

    Published in GEOCHEMICAL JOURNAL (2017)
    “…Lipids are a component of the dissolved organic matter found in natural waters. The susceptibility of lipids to oxidation suggests that lipid hydroperoxides…”
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    Measurements, sources and sinks of photoformed reactive oxygen species in Japanese rivers by Ayeni, Taiwo Tolulope, Jadoon, Waqar Azeem, Adesina, Adeniyi Olufemi, Sunday, Michael Oluwatoyin, Anifowose, Adebanjo Jacob, Takeda, Kazuhiko, Sakugawa, Hiroshi

    Published in GEOCHEMICAL JOURNAL (2021)
    “…Reactive oxygen species (ROS) are photochemically generated in sunlit natural water and are involved in degradation of organic matter, redox reactions, and…”
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