Velocity gap mode of capillary electrophoresis developed for high-resolution chiral separations octanol water distribution coefficient measurement based on hollow fiber membrane nanobiotechnology QD in bioimaging Enhanced electrophoretic resolution of monosulfate GAG disacchride isomers on PMMA chips Dynamic modification of PMMA chips using PVA for GAG disaccharide isomer separation a viscosity tunable polymer for DNA separation by MCE