Paul HAAS (1877-1960).
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History, 19th Century↗
Biomedical subjects
F CHALLENGER
Publications and source records attributed to F CHALLENGER.
Studies on biological methylation. XVII. The natural occurrence and chemical reactions of some thetins.
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Eukaryota↗
Methyl mercaptan in relation to foetor hepaticus.
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Humans↗
The formation of dimethyl selenide by moulds in presence of D- and L-methionine or thetins, all containing the 14CH3 group.
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Aspergillus↗
Methyl mercaptan in relation to foetor hepaticus.
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Blood↗
The occurrence of a methylsulphonium derivative of methionine (alpha-aminodimethyl-gamma-butyrothetin) in asparagus.
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Gamma Rays↗
Alkyl sulphides evolved from dog's urine by sodium hydroxide.
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Animals↗
The evolution of dimethyl sulphide by Enteromorpha intestinalis. Isolation of dimethyl-beta-carboxyethyl sulphonium chloride from the alga.
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Biological Evolution↗
The evolution of dimethyl sulphide from bracken, 'horse's tail' and other plants on treatment with sodium hydroxide.
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Animals↗
Experiments on the mechanism of the formation of methylthiol from S-methyl-L-cysteine in cultures of scopulariopsis brevicaulis.
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Cysteine↗
Experiments on the mobility of the methyl group in dimethylacetothetin, (CH3)2S+. CH2CO.O-.
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Humans↗