Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1982-12-27
1985-07-09
Padgett, Benjamin R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
436545, 436804, 436807, 424 11, 210659, 210927, 210663, 514 3, B01D 1508, A61K 3726, A61K 4300
Patent
active
045281343
ABSTRACT:
Method of separating A.sub.14 -.sup.125 I-insulin from heterogeneously labeled insulin molecules for biological studies which involves iodating insulin in a controlled manner, selectively absorbing the insulin from the iodination procedure in a tightly packed bed of octadecylsilane bonded to silica employing reverse phase liquid chromatography principles, thereafter eluting large and small radioactive and nonradioactive materials such as damaged insulin, various contaminants and polar materials from the bed with dilute trifluoroacetic acid, thereafter eluting the intact .sup.125 I-insulin from the bed with a mixture of acetonitrile and dilute trifluoroacetic acid and then separating the A.sub.14 -insulin by high performance liquid chromatography or ion exchange chromatography.
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Kitabchi Abbas E.
Stentz Frankie B.
Wright Reba K.
Moskowitz M.
Padgett Benjamin R.
University of TN Research Corporation
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