Discussion 119 



a material would not be of help in work with ionizing radiations, to see 

 what the oxygen effect would be in these strains. 



Laser : It would certainly be of great help to me and I would be grateful 

 to obtain such a strain of Esch. coli. With regard to Dr. Stapleton's 

 statement that the respiration curve shows a sharp break after about 

 40 minutes, which amounts practically to a cessation of respiration, I have 

 never had that experience in extensive studies with a great variety of 

 bacteria. 



