Genetics: C. M. Rick
نویسنده
چکیده
Attempts were also made to confer active protection upon mice with doses of oxidized cotton ranging from 0.005 mg. down to 0.00001 mg.II" but the material failed to protect against 10 to 100 minimal lethal doses of an extremely virulent strain of Type VIII pneumococcus. However, the same amounts of the Type I1I and Type VIII specific polysaccharides also failed to give protection against this strain. The precipitation data with the oxidized cotton again emphasize the strict correlation between chemical constitution and immunological specificity and show that predictions as to reactivity may be made when the constitution of the repeating unit responsible for that reactivity is known.
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