A rapid and precise method for the determination of urea
J. K. Fawcett,J. E. Scott +1 more
TL;DR: In comparison with other methods in current use, this method has distinct advantages in sensitivity, simplicity, and precision, thus economizing in time, sample volume, reagents, and equipment.
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Abstract: A method is described for the determination of urea in plasma and urine. The effects of variations in the experimental conditions are examined and the results of recovery experiments and other tests of precision and accuracy are reported. In comparison with other methods in current use, this method has distinct advantages in sensitivity, simplicity, and precision, thus economizing in time, sample volume, reagents, and equipment.
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References
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Colorimetric micro determination of ammoniacal nitrogen
Lubochinsky B,Zalta Jp +1 more
16
Micromethods for determination of ammonia, urea, total nitrogen, uric acid, creatinine (and creatine), and allantoin
TL;DR: The success with which Krebs and Henseleit employed Warburg’s method of surviving tissue slices in the problem of the formation of urea in the liver encouraged its use for a direct attack on other problems of nitrogen metabolism in animals.