Stabilised solid support immobilised acetylcholine esterase and/or acetylcholine esterase receptor and method for its preparation.

摘要

New prods. comprise acetylcholinesterase (AChE) and/or an AchE receptor immobilised on a solid support and covered with a protective film comprising (a) gelatin and/or albumin and (b) trehalose. Also claimed are: (1) A chromatography column comprising a prod. as above; (2) a diagnostic kit comprising a prod. as above; and (3) a process for producing a prod. as above, comprising immobilising AChE and/or an AChE receptor on a solid support, coating the support with a gel comprising gelatin and trehalose, and forming a protective film by evaporating the solvent from the gel.