A STUDY OF THE ELIMINATION PHASE OF PHAGOCYTOSIS OF 32P‐LABELLED ESCHERICHIA COLI BY HUMAN POLYMORPHONUCLEAR CELLS

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Abstract
A study of the elimination phase of phagocytosis of a radio‐labelled strain of Escherichia coli by human polymorphonuclear cells is presented. In the presence of normal serum during the ingestion and post‐ingestion phases, the elimination was 55%. Omission of normal serum during the post‐ingesiive phase resulted in an elimination of 35%. Without serum in both phases the elimination was approximately 50%. Microscopically the bacterial cell envelope appeared unchanged during the post‐ingestive period (3h).