Zuoxiang Yu

Direct analysis of artemisinin in plasma and saliva using coupled-column high-performance liquid chromatography with a restricted-access material pre-column

Toufigh Gordi, Elisabet I. Nielsen, Zuoxiang Yu et al. · Journal of Chromatography B Biomedical Sciences and Applications · 2000 · 50 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +12

Direct injection of large volumes of plasma in a column-switching system for the analysis of local anaesthetics II. Determination of bupivacaine in human plasma with an alkyldiol silica precolumn

Zuoxiang Yu, Douglas Westerlund · Journal of Chromatography A · 1996 · 48 citations

Medicine, Anesthesiology, Pharmacology +9

Determination of methotrexate and its metabolite 7-hydroxymethotrexate by direct injection of human plasma into a column-switching liquid chromatographic system using post-column photochemical reaction with fluorimetric detection

Zuoxiang Yu, Douglas Westerlund, Karl‐Siegfried Boos · Journal of Chromatography B Biomedical Sciences and Applications · 1997 · 34 citations

Pharmacy, Pharmacokinetics, Pharmacology +13

Direct injection of large volumes of plasma in a column-switching system for the analysis of local anaesthetics I. Optimization of semi-permeable surface precolumns in the system and characterization of some interference peaks

Zuoxiang Yu, Douglas Westerlund · Journal of Chromatography A · 1996 · 33 citations

Veterinary Medicine, Anesthesiology, Pharmaceutical Analysis +10

Determination of amide-type local anaesthetics by direct injection of plasma in a column-switching high-performance liquid chromatographic system using a pre-column with a semipermeable surface

Zuoxiang Yu, Mohamed Abdel‐Rehim, Douglas Westerlund · Journal of Chromatography B Biomedical Sciences and Applications · 1994 · 30 citations

Pharmacy, Pharmaceutics, Pharmacology +10