Analysis of TRPA1 antagonist, A-967079, in plasma using high-performance liquid chromatography tandem mass-spectrometry

by Obed A. Gyamfi, Nesta Bortey-Sam, Abigail B. Donkor, Carl W. White, Brian A. Logue
Published 2020-04-01

Ecological Risk of Heavy Metals and a Metalloid in Agricultural Soils in Tarkwa, Ghana

by Nesta Bortey-Sam, Shouta M. M. Nakayama, Osei Akoto, Yoshinori Ikenaka, Elvis Baidoo, Hazuki Mizukawa, Mayumi Ishizuka
Published 2015-09-01

Contamination Levels and Sources of Heavy Metals and a Metalloid in Surface Soils in the Kumasi Metropolis, Ghana

by Osei Akoto, Nesta Bortey-Sam, Yoshinori Ikenaka, Shouta M.M. Nakayama, Elvis Baidoo, Yared Beyene Yohannes, Mayumi Ishizuka
Published 2017-01-01

Characterization, Spatial Variation and Risk Assessment of Heavy Metals and a Metalloid in Surface Soils in Obuasi, Ghana

by Osei Akoto, Nesta Bortey-Sam, Shouta M.M. Nakayama, Yoshinori Ikenaka, Elvis Baidoo, Joseph Apau, Jemima Tiwaa Marfo, Mayumi Ishizuka
Published 2018-01-01

Accumulation of Heavy Metals and Metalloid in Foodstuffs from Agricultural Soils around Tarkwa Area in Ghana, and Associated Human Health Risks

by Nesta Bortey-Sam, Shouta M. M. Nakayama, Osei Akoto, Yoshinori Ikenaka, Julius N. Fobil, Elvis Baidoo, Hazuki Mizukawa, Mayumi Ishizuka
Published 2015-07-01

Contamination by neonicotinoid insecticides and their metabolites in Sri Lankan black tea leaves and Japanese green tea leaves

by Yoshinori Ikenaka, Kazutoshi Fujioka, Tomonori Kawakami, Takahiro Ichise, Nesta Bortey-Sam, Shouta M.M. Nakayama, Hazuki Mizukawa, Kumiko Taira, Keisuke Takahashi, Keisuke Kato, Koji Arizono, Mayumi Ishizuka
Published 2018-01-01