The Journal of General Physiology
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The Journal of General Physiology, Vol 5, 169-179, Copyright © 1922 by The Rockefeller University Press

ARTICLE

EFFECT OF THE HYDROGEN ION CONCENTRATION ON THE PHAGOCYTOSIS AND ADHESIVENESS OF LEUCOCYTES

Wallace O. Fenn Ph.D.1

1 From the Laboratory of Applied Physiology, Harvard Medical School, Boston.

1. Immediately after coming into contact with glass, leucocytes are most adhesive at pH 8.0 or > 8.0.

2. Agglutination of leucocytes increases with increasing H ion concentration from pH 8.0 to 6.0.

3. In phagocytosis experiments where leucocytes creep about on the slide picking up articles the optimum pH is 7.0. Here ameboid movement is probably the limiting factor.

4. The optimum for phagocytosis of quartz from suspension is on the acid side of neutrality at or near pH 6.7.

5. Phagocytosis of quartz increases with the acidity, while adhesiveness of leucocytes to glass increases with the alkalinity.

Submitted on August 21, 1922


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