. Adventures in radioisotope research;. Radioactive tracers; Radiobiology. EFFECT OF ADRENALINE ON PLASMA AND TISSUE CONSTITUENTS 617 opportunity to combine with that protein escapes at a much re- duced rate. In a preliminary experiment we injected into the ear vein of a donor rabbit 84 y of labelled iron and transfused 18 ml of whole blood after the lapse of 1 hour to a sister rabbit. This procedure proved not to be satisfactory, half of the transfused ^^Fe disappearing from the circulation 7000-|Q 6300-. 1400- Adrenoxyl injecTed =5^^^^^^=-^^ -i 1 I i" 1 ^ 15 20 25 30 35 40 45 50 55 60 T
. Adventures in radioisotope research;. Radioactive tracers; Radiobiology. EFFECT OF ADRENALINE ON PLASMA AND TISSUE CONSTITUENTS 617 opportunity to combine with that protein escapes at a much re- duced rate. In a preliminary experiment we injected into the ear vein of a donor rabbit 84 y of labelled iron and transfused 18 ml of whole blood after the lapse of 1 hour to a sister rabbit. This procedure proved not to be satisfactory, half of the transfused ^^Fe disappearing from the circulation 7000-|Q 6300-. 1400- Adrenoxyl injecTed =5^^^^^^=-^^ -i 1 I i" 1 ^ 15 20 25 30 35 40 45 50 55 60 Time in minutes Fig. 2. Effect of subcutaneous injection of adrenoxyl on the rate of extrusion of ^^P from the circulation of the rabbit. already in the course for 27 min, a further half in the course of 60 min We then injected the donor rabbit with 1 y of iron only having an activity of micro C, and after the lapse of 1 hr transfused to a sister rabbit 10 ml of the plasma of the donor, securing at intervals plasma samples from the receptor. The result of this and a second similar experiment is seen in Fig. 5. The experiment was then repeated with receptor rabbits to each of which 20 y of adrenaline were administered subcutaneously 52 min and 33 min before transfusiner the activity Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hevesy, Georg von, 1885-1966. New York, Pergamon Press
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