Differentiation of vitamin B12 active compounds by ionophoresis and microbiological assay; occurrence of the various vitamin B12 active compounds.
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Biological Assay↗
Biomedical subjects
J E FORD
Publications and source records attributed to J E FORD.
The effect of sulphonamides and of cooking or grinding the diet on the excretion of vitamins of the B complex by the refected rat.
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Animals↗
The microbiological assay of vitamin B12; the specificity of the requirement of Ochromonas malhamensis for cyanocobalamin.
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Eukaryota↗
Vitamin B12-like compounds. I. Vitamin B12 activity for chicks and for different micro-organisms of gut contents and faeces.
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Animals↗
Vitamin B12 like compounds. II. Some properties of compounds isolated from bovine gut contents and faeces.
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Animals↗
An improved bioautographic technique.
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Escherichia coli↗
The use of chicks for the biological assay of members of the vitamin B complex. 2. Tests on natural materials and comparison with microbiological and other assays.
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Animals↗
The microbiological assay of vitamin B12.
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Hematinics↗
Some properties of vitamin B12-like factors from calf faeces. III. Further biological properties and interrelationships.
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Animals↗
Some properties of vitamin B12-like factors from faeces. I. Characteristics of different fractions.
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Feces↗
Some properties of vitamin B12-like factors from calf faeces. II. Biological activities and interrelationships.
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Animals↗
Vitamin B12 activity for chicks and different micro-organisms of gut contents and faeces.
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Animals↗
The multiple nature and potency for different micro-organisms of the vitamin B12 activity of calf rumen contents and faeces.
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Animals↗