John O. Ogeto

Isolation of Alkaloidal Constituents of <i>Zanthoxylum usambarense</i> and <i>Zanthoxylum chalybeum</i> Using Ion-Pair HPLC

Atsushi Kato, Masataka Moriyasu, Momoyo Ichimaru et al. · Journal of Natural Products · 1996 · 51 citations

Pharmacy, Medicinal Chemistry, Pharmacology +11

Mefloquine disposition in normals and in patients with severePlasmodium falciparum malaria

F. D. Juma, John O. Ogeto · European Journal of Drug Metabolism and Pharmacokinetics · 1989 · 21 citations

Medicine, Pharmacokinetics, Pharmacology +9

Examination of alkaloidal constituents of <i>zanthoxylum usambarense</i> by a combination of ion‐pair extraction and ion‐pair chromatography using sodium perchlorate

Atsushi Kato, Masataka Moriyasu, Momoyo Ichimaru et al. · Phytochemical Analysis · 1995 · 19 citations

Pharmacy, Medicinal Chemistry, Pharmacology +11

Ion‐pair and ion‐suppression high performance liquid chromatographic analysis of alkaloidal constituents of <i>Artabotrys monteiroae</i>

Atsushi Kato, Masataka Moriyasu, Yumi Nishiyama et al. · Phytochemical Analysis · 1993 · 14 citations

Pharmacy, Medicinal Chemistry, Pharmacology +16