. Adventures in radioisotope research;. Radioactive tracers; Radiobiology. ISOTOPIC INDICATOKS IN HAEMATOLOGY 643. 2 Konfrollen Physiol. Adrenalin-Dosis '*-^. Phormokol. Adrenalin-Dosis'"''^ 0 60 120 min 180 240 Fig. 4. The effect of adrenalin on the rate of escape of iron com- bined in ^j globuUn from the plasma. Kontrolle = control test. Physiol. AdrenaHn-Dosis = physiological dosage of adrenahn. Pharmokol. Adrenalin-Dosis = pharmacological dosage of adrenalin. Aktivitat in 1 ml plasma = activity per ml plasma. bined with protein but only after it has been split off from the transferrin
. Adventures in radioisotope research;. Radioactive tracers; Radiobiology. ISOTOPIC INDICATOKS IN HAEMATOLOGY 643. 2 Konfrollen Physiol. Adrenalin-Dosis '*-^. Phormokol. Adrenalin-Dosis'"''^ 0 60 120 min 180 240 Fig. 4. The effect of adrenalin on the rate of escape of iron com- bined in ^j globuUn from the plasma. Kontrolle = control test. Physiol. AdrenaHn-Dosis = physiological dosage of adrenahn. Pharmokol. Adrenalin-Dosis = pharmacological dosage of adrenalin. Aktivitat in 1 ml plasma = activity per ml plasma. bined with protein but only after it has been split off from the transferrin, and it is very probable that the process de- termining the rate of escape is the disso- ciation of iron transferrin since the iron ions or iron-containing radicals which are split off penetrate the capillary walls with the greatest ease. Plasma constituents such as phosphate, for instance, which transfer extraordi- narily quickly into the extracellular space, often return before they "finally" leave the plasma. This state is the more quickly established when the phosphate has the opportunity of finding an addi- tional way of entering into the cell. The reversion of phosphate ions into the plas- ma is thereby made more difficult and its ultimate disappearance from the blood fluid is thus facilitated. If the disappea- rance of phosphate from the plasma is accelerated, by the injection of adre- nalin, the effect must be ascribed in a high degree to an accelerated entry of the phosphate from the extracellular space. 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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