Method for determining vitamin B.sub.12 and reagent therefor

Details Method for determining vitamin B.sub.12 and reagent therefor Method for determining vitamin B.sub.12 and reagent therefor

1975-07-23

1977-11-22

Marantz, Sidney

Drug, bio-affecting and body treating compositions

Radionuclide or intended radionuclide containing; adjuvant...

Attached to antibody or antibody fragment or immunoglobulin;...

23230B, 232306, 252408, G01N 2300, G01N 3316, G01T 116

Patent

active

RE0294802

ABSTRACT:
Method for determining vitamin B.sub.12 in aqueous samples by contacting said sample with radioactivity labelled vitamin B.sub.12 and with particles of water insoluble polymers to which substances capable of binding vitamin B.sub.12 have been bound, thereafter separating said particles and determining the radioactivity.

REFERENCES:
patent: 3555143 (1971-01-01), Axen et al.
patent: 3646346 (1972-02-01), Catt
Axen et al., Nature, v. 210, pp. 367-369 (1966).
Axen et al., Chemical Abstracts, v. 62:11911e (1965).
Axen et al., Nature, v. 214, pp. 1302-1304 (1967).
Barakat et al., Lancet, v. ii, pp. 25-26 (1961).
Ceska et al., Clin. Chim. Acta, v. 32, pp. 339-354 (1971).
Bacher, F. A. et al., Analytical Chemistry, vol. 26, pp. 1146-1149 (1954).
Bunge, M. B. et al., Chemical Abstracts, vol. 52, p. 5570 (1958).
Shaw, W. H. C. et al., Analyst, vol. 85, pp. 389-409 (1960).

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