Improved method of assay for choline.
A modified assay for choline is described which is shorter, yields more consistent responses, and requires considerably less time, space, and equipment than the existing assays.
Biological Assay↗
Biomedical subjects
Publications and source records attributed to A E Tanguay.
A modified assay for choline is described which is shorter, yields more consistent responses, and requires considerably less time, space, and equipment than the existing assays.
Assay organisms Saccharomyces cerevisiae and Sarcina lutea, when suspended in a weak buffer and stored at refrigerator temperatures, are stable for 1 year or more.
The calcium leucovorin assay was improved by adding THORAL germicide which resuspended the cells so that an accurate turbidity reading could be obtained.