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A kinetic study of an immobilised lipase esterification reaction in dipropyl ether for resolution of ketoprofen indicated a Bi Bi Ping Pong mechanism with dead-end inhibition of the alcohol was occurring for both enantiomers and this is was confirmed experimentally. Parameters in the kinetic equation and reaction activation energies for the two enantiomers(More)
Large-volume sample stacking (LVSS) is an effective on-capillary sample concentration method in capillary zone electrophoresis, which can be applied to the sample in a low-conductivity matrix. NaOH solution is commonly used to back-extract acidic compounds from organic solvent in sample pretreatment. The effect of NaOH as sample matrix on LVSS of haloacetic(More)
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