Journal of Applied Physiology Information on EB 2010
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J Appl Physiol 14: 859-860, 1959;
8750-7587/59 $5.00
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Calcium-45 binding by human prealbumin

Philip C. Johnson 1, William O Smith 1, and Beulah Wulff 1

1 Radioisotope Service, Veterans Administration Hospital, and Department of Medicine, University of Oklahoma School of Medicine, Oklahoma City, Oklahoma

Calcium-45 binding by human albumin and prealbumin has been studied. Protein separation was performed by continuous paper electrophoresis. Calcium-45 was added to the fractions and the mixture incubated at 37°C for 24 hours. Unbound calcium-45 was removed by dialysis against tap water for 16 hours, the pH of the fractions remained between 8.6–9.1 at all times. Aliquots of the fractions were then counted with a micromil gas flow counter. The greatest specific activity was found in several tubes preceding the albumin, i.e. with faster electrophoretic mobility than classical albumin. The calcium-binding ability of this fraction, which has been previously called ‘prealbumin,’ exceeded that of classical albumin by sixfold.

Submitted on December 1, 1958




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 Arch Pediatr Adolesc MedHome page
H. L. SMITH, R. L. FISCHER, and J. N. ETTELDORF
Magnesium and Calcium in Human Muscular Dystrophy: Complexometric Analyses of Serum and Serum Ultrafiltrates
Arch Pediatr Adolesc Med, June 1, 1962; 103(6): 771 - 776.
[Abstract] [PDF]


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