Objectives for extractive bioconversion / Bo Mattiasson, Olle Holst -- Cultivation using membrane filtration and cell recycling / Olle Holst, Bo Mattiasson -- Liquid-liquid extractive membrane reactors / Jorge L. Lopez [and others] -- Continuous removal of ethanol from bioreactor by pervaporation / Heinrich Strathmann, Wilhelm Gudernatsch -- Perstraction / Masatoshi Matsumura -- Extractive bioconversions with nonaqueous solvents / Steven R. Roffler -- Extractive bioconversions in aqueous two-phase systems / Rajni Kaul, Bo Mattiasson -- Solid sorbents used in extractive bioconversion processes / Olle Holst, Bo Mattiasson -- Extractive removal of product by biocatalysis / Joaquim M. Cabrul -- Vacuum Fermentation / Jon Sundquist, Harvey W. Blanch, Charles R. Wilke -- Bioconversions in permeabilized cells / Hansruedi Felx -- Ion-pair extraction in biological systems / Goran Schill, Bengt-Arne Persson -- The biostil process / Lars Ehnstrom, Jonas Frisenfelt, Magnus Danielsson.