A Plastic Replica-Embedding and Staining Technique for Studying the Behavior of Microorganisms on Food-Contact Surfaces

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Abstract
A simple, versatile technique of embedding and staining microorganisms which are present on food-contact surfaces has been developed which can be performed with equipment and materials readily available from scientific supply houses. A Gram-staining procedure can be advantageously employed to differentiate bacteria and other microbes from other surface residues on the plastic-embedding matrix used. The plastic replicas are quite stable to the effects of aging; thus, can be stored for future reference.

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