TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Composition: The ceramic slurry used during manufacture of ceramic article comprises particulate ceramic material, antisolvent-insoluble polymer, antisolvent-miscible solvent and dispersant. The particulate ceramic material is perovskite, fluorite and/or ( beta )-alumina ceramic, or chosen from lanthanum-strontium-cobalt ferrite-6428 (La0.6Sr0.4Co0.2Fe0.8O3-d), strontium-cobalt-iron oxide (SrCo0.8Fe0.2O3, yttria-doped barium zirconate (BaZr0.8Y0.203-d), lanthanum-calcium-iron oxide (La1-xCaxFeO3, where x is 0-0.5), barium cerate, barium zirconate, barium-strontium-cobalt-iron oxide (Ba0.8Sr0.5Co0.8Fe0.2O3-d) and Ba0.8Sr0.5Co0.2Fe0.8O3-d), barium-lanthanum-iron oxide (Ba0.95La0.05Fe3-d), strontium-cobalt-iron oxide (SrCo0.2Fe0.8O3-d), strontium-scandium-cobalt oxide (SrSc0.05Co0.05O3-d), praseodymium-barium-cobalt oxide (PrBaCo2O5+d), yttrium-calcium-barium-cobalt oxide (Y1-xCaxBaCo4O7+d), yttria-stabilized zirconia, scandia-stabilized zirconia, samarium trioxide-stabilized ceria, gadolinium oxide-stabilized ceria, gadolinium-doped ceria (Ce0.8Gd0.2O2-d), nickel oxide/gadolinium oxide-stabilized ceria, non-stoichiometric sodium-aluminum complex oxide (Na2O.Al2O3), sodium-aluminum complex oxides (Na2O.11A12O3 and Na2O5.33Al203), alumina, sodium-bismuth titanate (Na0.5Bi0.5TiO3), bismuth-vanadium-copper oxide (Bi2V0.9Cu0.1O5.35) and strontium-sodium-silicon oxide (Sr1.65Na1.35Si3O8.325). The article comprises membrane and ceramic membrane. The ceramic membrane comprises mixture of ceramic materials. The ceramic material is mixture of fluorite ceramic and perovskite ceramic. Preferred Property: The ceramic membrane has oxygen permeation flux of 2-12 ml.cm-2.minute-1.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The antisolvent-miscible solvent is organic solvent chosen from 1-methyl-2-pyrrolidinone, acetone, dimethyl sulfoxide, dimethylformamide, tetrahydrofuran, dimethylacetamide, formylpiperidine, dioxane, acetic acid and morpholine.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The solution further comprises particulate material suspended in the solution, polyvinylpyrrolidone, polyethylene glycol, prionic acid or surfactant. The antisolvent-insoluble polymer is water-insoluble polymer chosen from polyethersulfone, ethylene-vinyl alcohol, cellulose acetate, polysulfone, polyacrylonitrile, cellulosics, polyvinylidene fluoride, polyimide and polyamide.