Imprinted amorphous silicas tailored to adsorb selectively are presented. Their preparation–using molecular imprinting by the sol-gel technique–is described and the influence of the conditions of preparation on the textures of the solids and on their molecular specificity discussed. Their degrees of enantiorecognition (using(–)-menthol) are regiospecificity (using O-cresol) are reported. The possibility of extension of this work to a large number of different molecular sizes and configurations is briefly considered.
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