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Radioimmunoassay for pantothenic acid in blood and other tissues. [/sup 3/H and /sup 14/C tracer techniques]

Journal Article · · Clin. Chem.; (United States)
OSTI ID:6433811
We described a radioimmunoassay for pantothenic acid in biological tissues. D-Pantothenic acid was conjugated with bovine serum albumin by use of a bromoacetyl derivative of pantothenic acid, and antibody to this antigen was raised by injecting it into the foot pads of rabbits. For the radioimmunoassay, a 100-fold dilution of the resulting antiserum was incubated with radiolabeled panthothentic acid. The antibodies were precipitated and dissolved, and the radioactivity of the solution was measured in a liquid scintillation counter. Between 5 and 125 ng of pantothenic acid can be detected in 75 ..mu..L of tissue extract. Validation included recovery and precision studies, parallelism with tissue extracts, and competitive binding studies. Results of the radioimmunoassay and those of microbiological assay with use of Lactobacillus plantarum correlated well (r = 0.80).
Research Organization:
Utah State Univ., Logan
OSTI ID:
6433811
Journal Information:
Clin. Chem.; (United States), Journal Name: Clin. Chem.; (United States) Vol. 25:1; ISSN CLCHA
Country of Publication:
United States
Language:
English