Page
%P
-
Book
-
Chapter
The Pyrrolizidine Alkaloids. II
Ten years have elapsed since the pyrrolizidine alkaloids were reviewed in this series (387), and it is a not much shorter period since they formed the subject of an excellent account by Leonard (329) and a master...
-
Article
Conjugated Oxosteroids in Human Urine
IT has long been known that oxosteroids are excreted in human urine in conjugated form chiefly as sulphates or glucuronidates. In order to test the hypothesis that the choice of either sulphate or glucuronidat...
-
Article
Hæmoglobin and Potassium Blood Types in Some Non-British Breeds of Sheep and in Certain Rare British Breeds
SHEEP may be classified into three types, A, B or AB, according to whether they possess one, or another, or a mixture of two distinct hæmoglobins1–3. They may also be classified quite independently into two types...
-
Article
The Metabolism of Aromatic Amines in Relation to Carcinogenesis
-
Book
-
Chapter
The Pyrrolizidine Alkaloids
Considerable advances have been made in the study of the pyrrolizidine alkaloids during the few years which have elapsed since the last admirable reviews on this subject were made by Henry (87) in 1949, and by Le...
-
Article
Origin and Site of Formation of Fructose in the FŒtal Sheep
Bacon and Bell1 isolated and identified fructose in fœtal sheep's blood. This was the first conclusive proof of its existence prenatally. They also showed it disappears from the blood of the new-born lamb within ...
-
Article
Presence of Substances Inhibitory to Acid Phosphatase in Normal Human Urine
IN adult bilateral cryptorchid human subjects, a correlation has been found between androgen excretion in the urine and the amount of acid phosphatase in the semen1. The suggestion was made that if a similar corr...
-
Article
The Absence of a Direct Relation between Growth Inhibition and Sulphur Metabolism After 1:2:5:6-Dibenzanthracene
-
Article
The Relation between Growth Inhibition, Toxicity and Protein Metabolism in Rats Treated with 1:2:5:6-Dibenzanthracene
-
Article
Relative Kidney Weights of Male and Female Mice
IN a recent publication1 it is reported that treatment with androgens produces great hypertrophy in the kidneys of male mice. Testosterone propionate alone increased the relative kidney weight (average kidney wei...
-
Article
Synthesis of Benzanthrones
IN a recent publication by one of us1, it was shown that the readily formed αγ-diethylethers of β-substituted glycerols could be used to prepare 2-substituted quinolines. We have now used these ethers for the syn...
-
Article
Chemistry of strogenic Substances
WE have reported that we were unable to obtain any evidence of ” strogenic activity in rats with benzylidenepyruvic acid and furylidenepyruvic acid or their sodium salts1. These negative results were attributed b...
-
Article
Alleged strogenic Activity of the Male Sex Hormone
CORRELATION of molecular structure of the sex hormones with that of the sterols and bile acids is now almost complete, and leads to the conclusion that the hormones are biological degradation products of chole...
-
Article
Density of Dead Sea Water
SIR ROBERT ROBERTSON has recorded in NATURE the results of some determinations of the density of water from the Dead Sea1. We had also determined independently the density of two samples from different places by ...
