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Yared B. Yohannes
Researcher at University of Gondar
Publications - 55
Citations - 1462
Yared B. Yohannes is an academic researcher from University of Gondar. The author has contributed to research in topics: Medicine & Biology. The author has an hindex of 19, co-authored 48 publications receiving 1033 citations. Previous affiliations of Yared B. Yohannes include Hokkaido University.
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Human health risks from metals and metalloid via consumption of food animals near gold mines in Tarkwa, Ghana: Estimation of the daily intakes and target hazard quotients (THQs)
Nesta Bortey-Sam,Shouta M.M. Nakayama,Yoshinori Ikenaka,Osei Akoto,Elvis Baidoo,Yared B. Yohannes,Hazuki Mizukawa,Mayumi Ishizuka +7 more
TL;DR: From the results, daily intakes of As, Cd, Hg, Pb and Mn in these food animals were low compared to the provisional tolerable daily intake guidelines, and indicated that contributions of chicken gizzard and liver to toxic metal exposure in adults and especially children could be significant.
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Lead poisoning in children from townships in the vicinity of a lead–zinc mine in Kabwe, Zambia ☆
John Yabe,Shouta M.M. Nakayama,Yoshinori Ikenaka,Yared B. Yohannes,Nesta Bortey-Sam,Balazs Oroszlany,Kaampwe Muzandu,Kennedy Choongo,Abel Nketani Kabalo,John Ntapisha,Aaron S. Mweene,Takashi Umemura,Mayumi Ishizuka +12 more
TL;DR: Investigation of BLLs in children under the age of 7 years in townships around the mine in Kabwe, the capital of Zambia's Central Province found that children in these areas could be at serious risk of Pb toxicity as 18% of the sampled children in Chowa, 57% (Kasanda) and 25% (Makululu) had B LLs exceeding 65 μg dL(-1).
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Occurrence, distribution, sources and toxic potential of polycyclic aromatic hydrocarbons (PAHs) in surface soils from the Kumasi Metropolis, Ghana
Nesta Bortey-Sam,Yoshinori Ikenaka,Shouta M.M. Nakayama,Osei Akoto,Yared B. Yohannes,Elvis Baidoo,Hazuki Mizukawa,Mayumi Ishizuka +7 more
TL;DR: BaP, a human carcinogen, contributed 70% of the total PAHs toxicity level from the city centre of Kumasi, Ghana, and diagnostic ratios and chemical mass balance models of the results showed thatPAHs in surface soil samples from the study area were mainly from fuel combustion.
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Bioaccumulation and human health risk assessment of DDT and other organochlorine pesticides in an apex aquatic predator from a premier conservation area.
Ruan Gerber,Nico J. Smit,Johan H.J. van Vuren,Shouta M.M. Nakayama,Yared B. Yohannes,Yoshinori Ikenaka,Mayumi Ishizuka,Victor Wepener +7 more
TL;DR: Concentrations of the majority of the OCPs including the DDTs were the highest levels ever recorded from South African freshwater systems and in many cases the concentrations were higher than most contaminated areas from around the world.
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Concentrations and human health risk assessment of organochlorine pesticides in edible fish species from a Rift Valley lake—Lake Ziway, Ethiopia
Yared B. Yohannes,Yoshinori Ikenaka,Aksorn Saengtienchai,Kensuke P. Watanabe,Shouta M.M. Nakayama,Mayumi Ishizuka +5 more
TL;DR: The estimated daily intakes of OCPs from all fish species were much lower than the acceptable daily intakes (ADIs), indicating that consumption of fish is at little risk to human health at present, but the cancer risk estimates in the area of concern and the hazard ratios (HRs) of HCHs, DDTs, and heptachlors exceeded the threshold value of one, indicating daily exposure to these compounds is a potential concern.