Jan Åke Jönsson

Rapid determination of short‐chain fatty acids in colonic contents and faeces of humans and rats by acidified water‐extraction and direct‐injection gas chromatography

Guohua Zhao, Margareta Nyman, Jan Åke Jönsson · Biomedical Chromatography · 2005 · 496 citations

Passive extraction and clean-up of phenoxy acid herbicides in samples from a groundwater plume using hollow fiber supported liquid membranes

Jingfu Liu, Lars Toräng, Philipp Mayer et al. · Journal of Chromatography A · 2007 · 66 citations

Passive Extraction, Environmental Chemistry, Chemical Engineering +12

Liquid membrane work-up of blood plasma samples applied to gas chromatographic determination of aliphatic amines

Boel Lindegård, Jan Åke Jönsson, Lennart Mathiasson · Journal of Chromatography B Biomedical Sciences and Applications · 1992 · 47 citations

Analytical Instrumentation, Biochemistry, Separation Science +13

Hollow fibre‐supported liquid membrane extraction and LC‐MS/MS detection for the analysis of heterocyclic amines in urine samples

Rosa Busquets, Jan Åke Jönsson, Henrik Lauritz Frandsen et al. · Molecular Nutrition & Food Research · 2009 · 20 citations

Chemical Contaminant, Food Toxicology, Food Chemistry +24