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213 results on '"Shiratsuchi, Hideki"'

17. The human health risks assessment of mercury in soils and plantains from farms in selected artisanal and small‐scale gold mining communities around Obuasi, Ghana.

Author

Addai‐Arhin, Sylvester, Novirsa, Randy, Jeong, Hui Ho, Phan, Quang Dinh, Hirota, Nana, Ishibashi, Yasuhiro, Shiratsuchi, Hideki, and Arizono, Koji

Subjects
HEALTH risk assessment, GOLD mining, SOILS, FOOD contamination, FOOD crops
Abstract

Food consumption remains the commonest pathway through which humans ingest higher levels of mercury (Hg). Long‐term exposure to Hg through Hg‐contaminated food may result in acute or chronic Hg toxicity. Incessant discharge of Hg waste from ASGM facilities into nearby farms contaminates food crops. Ingestion of such food crops by residents may lead to detrimental human health effects. The human health risks upon exposure to total mercury (THg) and methylmercury (MeHg) in farmland soils and plantains from farms sited near ASGM facilities were studied in four communities around Obuasi, Ghana. The human health risk assessment was evaluated using hazard quotient (HQ), estimated average daily intake (eAvDI), hazard index (HI) and Hg elimination and retention kinetics. Tweapease, Nyamebekyere and Ahansonyewodea had HQ, eAvDI and HI for THg of plantains for both adults and children below the recommended USEPA limit of 1, 3 × 10−4 mg/kg/day and 1, respectively. Odumase had HQ, eAvDI and HI for THg of plantains for both adults and children, higher than the guideline values. This meant that only Odumase may cause non‐carcinogenic human health effects upon repeated exposure. The HQ, eAvDI and HI values of MeHg for all the study areas were far below guideline values, hence may not pose any non‐carcinogenic human health risks to residents even upon repeated exposure. Retention and elimination kinetics of Hg also showed that only plantains from Odumase may pose significant non‐carcinogenic human health risks to residents because the final amount of inorganic mercury exceeded the extrapolated USEPA guideline value of 0.393 μg/kg/year. The human health risks associated with exposure to mercury in farmland soils and plantains were studied in four communities around Obuasi, Ghana. The human health risk assessment was evaluated using hazard quotient (HQ), estimated average daily intake (eAvDI), hazard index (HI) and Hg elimination and retention kinetics. Tweapease, Nyamebekyere and Ahansonyewodea had HQ, eAvDI and HI below the recommended USEPA limit, while Odumase had results higher than the USEPA limit. This meant that only Odumase may cause non‐carcinogenic human health effects upon repeated exposure. [ABSTRACT FROM AUTHOR]

Published
2022
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34. Syndrome of inappropriate antidiuretic hormone secretion in a case of olfactory neuroblastoma without anti-diuretic hormone immunoreactivity: A case report and review of the literature

Author

Nakano, Takafumi, primary, Motoshita, Junichi, additional, Sawada, Fumi, additional, Okabe, Midori, additional, Tamae, Akihiro, additional, Hiramatsu, Shinsuke, additional, Kodama, Satoru, additional, Shiratsuchi, Hideki, additional, Yasumatsu, Ryuji, additional, Nakashima, Torahiko, additional, and Nakagawa, Takashi, additional

Published
2017
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35. Changes in radical-scavenging activity and components of mulberry fruit during maturation

Author

Oki, Tomoyuki, Kobayashi, Mio, Nakamura, Taeko, Okuyama, Akiko, Masuda, Mami, Shiratsuchi, Hideki, and Suda, Ikuo

Subjects
Mulberry -- Research, Food spoilage -- Research, Anthocyanin -- Research, Food conservation -- Research, Food -- Protection and preservation, Food -- Research, Business, Food/cooking/nutrition
Abstract

Extracts of mulberry fruits were prepared from 8 cultivars harvested at four stages of maturity, and their radical-scavenging activity, anthocyanin content, and total phenolic content are measured. The change in the content of four compounds in mulberry fruits during maturation demonstrated that the most likely contributions to the 1,1-diphenyl- 2-picrylhydrazyl radical -scavenging activities were caffeoyiquinic acids in the immature mulberry and anthocyanins in the mature and fully mature mulberry.

Published
2006

36. Primary combined small cell carcinoma and squamous cell carcinoma of the oropharynx with special reference to EGFR status of small cell carcinoma component: Case report and review of the literature

Author

Nakano, Takafumi, primary, Motoshita, Junichi, additional, Tanaka, Risa, additional, Okabe, Midori, additional, Tamae, Akihiro, additional, Shiratsuchi, Hideki, additional, Yasumatsu, Ryuji, additional, Nakashima, Torahiko, additional, and Nakagawa, Takashi, additional

Published
2017
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42. Interdigitating dendritic cell sarcoma with immunoglobin rearrangement arrose in a chronic lymphocytic leukemia patient

Author

Okamura Seiichi, Yamasaki Satoshi, Takeshita Morishige, Tanaka Risa, Kohno Kentaro, Shiratsuchi Hideki, Kadowaki Masanori, and Takase Ken

Subjects
Cancer Research, Pathology, medicine.medical_specialty, biology, business.industry, Chronic lymphocytic leukemia, Hematology, medicine.disease, Oncology, Interdigitating dendritic cell sarcoma, medicine, biology.protein, Antibody, business
Published
2015

43. Inflammatory pseudotumor in head and neck

Author

Segawa, Yuichi, primary, Yasumatsu, Ryuji, additional, Shiratsuchi, Hideki, additional, Tamae, Akihiro, additional, Noda, Teppei, additional, Yamamoto, Hidetaka, additional, and Komune, Shizuo, additional

Published
2014
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