220 



J. E. Lovelock 



10 15 



CONCENTRATION OF ALUMINA 

 (QM./ ML. OF CELLS) 



20 



Fig. 3. The removal of components from the red cell by various 

 concentrations of powdered alumina. Cells suspended in 0-16 M-NaCl 

 were exposed for 15 min. at 37° to concentrations of alumina from 



0-2 g. to 2-0 g. per ml. of packed cells. 



Dry weight of lipids; + Lipoprotein; □ Volume; (J Cholesterol; 



X Phospholipid; O Haemoglobin. 



25r 



-5 O 5 10 



TEMPERATURE (°C) 



Fig. 4. The removal of components from the red cell by alumina at 

 various temperatures. Cells suspended in 16 M-NaCl were exposed 

 to 1 -0 g. of alumina per ml. of cells for 15 min. at temperatures between 



15° and -5°. 

 + Lipoprotein; (J Cholesterol; X Phospholipid; O Haemoglobin. 



