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Lopez Serrano, P. (author), Cao, L. (author), Van Rantwijk, F. (author), Sheldon, R.A. (author)The invention relates to a method of preparing cross-linked enzyme aggregates (CLEAs) comprising the steps of a) precipitating a dissolved enzyme present in a liquid medium; b) cross-linking with a cross-linker, and c) optionally, washing the cross-linked enzyme aggregate. According to the invention at least one treatment is performed chosen...patent 2002