ScienceJohn Michels (Journalist) 1946 |
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Page 99
... activity ( 5 ) . It should be obvious that in making comparisons of biological activity the use of the milligram standard favors those compounds . with the lower molecular weights . Litchfield , et al . ( 4 ) stated that discrepancies ...
... activity ( 5 ) . It should be obvious that in making comparisons of biological activity the use of the milligram standard favors those compounds . with the lower molecular weights . Litchfield , et al . ( 4 ) stated that discrepancies ...
Page 159
... activity to total potassium . content ( specific activity ) is constant , indicating that equilibrium has been reached . This specific activity is then divided into the total activity injected , and the total body potassium is thus ...
... activity to total potassium . content ( specific activity ) is constant , indicating that equilibrium has been reached . This specific activity is then divided into the total activity injected , and the total body potassium is thus ...
Page 432
... activity by the stand- ard assay for penicillin G. This low order of activity has been obtained repeatedly , and is believed to be real . The active substance has properties similar to that of penicillin G. " Shortly thereafter , the ...
... activity by the stand- ard assay for penicillin G. This low order of activity has been obtained repeatedly , and is believed to be real . The active substance has properties similar to that of penicillin G. " Shortly thereafter , the ...
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acid activity Agricultural Amer American animals anoxia antibiotic appointed assistant Association atomic Bacteriology benzylpenicillin Biol biological blood Bureau California cent chairman Chem chemical chemistry clinical colchicine collection College Committee compounds concentration culture curator Department director disease Division effect electron electron microscope Engineering experimental experiments factor field folic acid geology glucose grams growth Health hyaluronidase Illustrated industrial injection investigation Laboratory lignin material Medical Medicine ment method Museum National natural neptunium normal observed obtained Ohio State University organization papers penicillin physics physiology plant plutonium poliomyelitis prepared present problems production professor publication reaction recently References samples School Science scientific scientists Section serum Service silicate Smithsonian Institution social Society sodium soil solution species staff streptomycin streptothricin temperature thiouracil tion tissue United Univ University virus volume Washington Washington Square Philadelphia York