The biological action of substances related to thyroxine. 3. Substances derived from 3:5-diiodo-4-hydroxybenzaldehyde and related compounds
نویسندگان
چکیده
منابع مشابه
The biological action of substances related to thyroxine; the effect of n-alkyl 3:5-diiodo-4-hydroxybenzoates on oxygen consumption in mice.
Since the principle of competitive inhibition in chemotherapy was introduced by Woods (1940), several attempts have been made to prepare compounds with an inhibitory action against thyroxine. The first report of direct antagonism was that of Woolley (1946) who observed that a number of ethers of N-acetyldiiodotyrosine exhibited antithyroxine activity in amphibian metamorphosis. Harington (1948)...
متن کاملthe evaluation of language related engagment and task related engagment with the purpose of investigating the effect of metatalk and task typology
abstract while task-based instruction is considered as the most effective way to learn a language in the related literature, it is oversimplified on various grounds. different variables may affect how students are engaged with not only the language but also with the task itself. the present study was conducted to investigate language and task related engagement on the basis of the task typolog...
15 صفحه اولMammalian tyrosinase; action on substances structurally related to tyrosine.
Tyrosinase prepared from plant, insect, and marine animal sources catalyzes the oxidation of tyrosine, dihydroxyphenylalanine (dopa), and various structurally similar compounds to darkly colored pigments (2). The enzymatic oxidation of many of the analogues of tyrosine and dopa often proceeds at a faster rate than for tyrosine and dopa themselves (2, 3). The investigation reported here was carr...
متن کاملThe Biological Action of Growth Substances
different from that in the United States, this short volume, prepared for the lay reader, would be of considerable value to those infertile couples who wish to know more about their childlessness. Dr. Philipp has undertaken the always difficult problem of explaining a complex technical situation to readers unprepared by education or experience to absorb the implications of what he is trying to ...
متن کاملFlavonoids and related compounds as anti-allergic substances.
The prevalence of allergic diseases has increased all over the world during the last two decades. Dietary change is considered to be one of the environmental factors that cause this increase and worsen allergic symptoms. If this is the case, an appropriate intake of foods or beverages with anti-allergic activities is expected to prevent the onset of allergic diseases and ameliorate allergic sym...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1951
ISSN: 0306-3283
DOI: 10.1042/bj0490714