Sadakazu Usuda

Serological detection of hepatitis B virus genotypes by ELISA with monoclonal antibodies to type-specific epitopes in the preS2-region product

Sadakazu Usuda, Hiroaki Okamoto, Hiroko Iwanari et al. · Journal of Virological Methods · 1999 · 298 citations

Life Sciences, Immunology, Infectious Diseases +14

Immunochemical structure of hepatitis B e antigen in the serum.

Kenichi Takahashi, A Machida, Gunki Funatsu et al. · The Journal of Immunology · 1983 · 216 citations

Life Sciences, Biochemistry, Molecular Biology +9

Hyoscyamine 6β-hydroxylase, an enzyme involved in tropane alkaloid biosynthesis, is localized at the pericycle of the root

Takashi Hashimoto, Asami Hayashi, Y. Amano et al. · Journal of Biological Chemistry · 1991 · 192 citations · Full text

Life Sciences, Botany, Plant Sciences +14

Full-Genome Sequence Analyses of Hepatitis B Virus (HBV) Strains Recovered from Chimpanzees Infected in the Wild: Implications for an Origin of HBV

Kazuaki Takahashi, Betsy Brotman, Sadakazu Usuda et al. · Virology · 2000 · 101 citations

Life Sciences, Microbiology, Molecular Biology +13

Differentiation of hepatitis B virus genotypes D and E by ELISA using monoclonal antibodies to epitopes on the preS2-region product

Sadakazu Usuda, Hiroaki Okamoto, Takeshi Tanaka et al. · Journal of Virological Methods · 2000 · 86 citations

Life Sciences, Infectious Diseases, Molecular Biology +9