2 butanone 1 Article 1 Biocatalysis 1 Coated Materials, Biocompatible 1 Emulsions 1 Enzyme Activation 1 Enzyme Stability 1 Esters 1 Fatty Acids 1 Hydrolysis 1 Lauric/palmitic acids Lipase 1 Lipozyme 1 Methyl ethyl ketone 1 Polyethyleneimine 1 Polyethyleneimine-coated Lipozyme 435 1 Substrate Specificity 1 Sugar fatty acid esters 1 Xylose 1 aqueous solution 1 biocatalysis 1 biocatalyst 1 biocompatible coated material 1 chemistry 1 coating (procedure) 1 emulsion 1 enzymatic hydrolysis 1 enzyme activation 1 enzyme purification 1 enzyme specificity 1