10
Views
31
CrossRef citations to date
0
Altmetric
Original Article

Determination of Calcium Fractions of Serum. III. Ionized Calcium in Ultrafiltrates of Normal Serum and Examination of Pertinent Variables

Pages 223-230 | Received 22 Jan 1970, Accepted 14 Mar 1970, Published online: 13 May 2010

References

  • Arnold D. E., Stansell M. J., Malvin H. R. Measurement of serum ionic calcium using a specific ion electrode. Amer. J. clin. Path. 1968; 49: 627
  • Dale N. E., Kellerman G. M. The binding of calcium by the plasma proteins in hyper parathyroidism. Clin. Sci. 1967; 32: 433
  • Dunstone J. R. Ion-exchange reactions between acid mucopolysaccharides and various cations. Biochem. J. 1962; 85: 336
  • Ettori J., Scoggan S. M. A determination of ionized calcium in serum by two-wavelength spectraphotometry of a metal indicator. Clin. chim. Acta. 1961; 6: 861
  • Frizel D. E., Malleson A. G., Marks V. Measurement of plasma ionised calcium and magnesium by ion exchange strip. Clin. chim. Acta. 1967; 16: 45
  • Gupta G. S. Effect of temperature on calcium interactions in normal human plasma. Indian J. Biochem. 1967; 4: 58
  • Hahnemann S. Heparin and osteoporosis. Lancet 1965; 2: 855
  • McLean F. C., Hastings A. B. A biological method for the estimation of calcium ion con centration. J. biol. Chem. 1934; 107: 331
  • McLean F. C., Hastings A. B. The state of calcium in the fluids of the body. I. The condi tions affecting the ionisation of calcium. J. biol. Chem. 1935; 108: 285
  • Neuhausen B. S., Marshall E. K., Jr. An electrochemical study of the condition of several electrolytes in the blood. J. biol. Chem. 1922; 53: 365
  • Oreskes I., Hirsch C., Douglas K. S., Kupfer S. Measurement of ionized calcium in human plasma with a calcium selective elec trode. Clin. chim. Acta. 1968; 21: 303
  • Pedersen K. O. Determination of calcium fractions of serum. I. The separation of protein-bound and protein-free fractions by means of a simplified ultrafiltration technique. Scand. J. clin. Lab. Invest. 1969; 24: 69
  • Pedersen K. O. Determination of calcium fractions of serum. II. Investigation of calcium ion activity and stability of important calcium complexes by an improved semimicro method. Scand. J. clin. Lab. Invest. 1970; 25: 199
  • Richterich R. Die zurverlässigkeit von labora toriumsmethoden. Richterich, R. Klinische Chemie, Theorie und Praxis. Aka demische Verlagsgesellschaft, Frankfurt, a.M. 1965; 52–62
  • Robertson W. G. Measurement of ionized calcium in biological fluids. Clin. chim. Acta. 1969; 24: 149
  • Rose G. A. Determination of the ionised and ultrafilterable calcium of normal plasma. Clin. chim. Acta. 1957; 2: 227
  • Smarsz C. Oznaczanie wapnia calkowitego i jego frakcji w osoczu metoda ultrasaczenia i spektrofotometrii polaczen wapniowo-murek-sydowych. Wartosci prawidlowe u osob doros lych. Pol. Arch. Med. Wewnet. 1967; 38: 761
  • Toribara T. Y., Terepka A. R., Dewey P. A. The ultrafiltrable calcium of human serum. I. Ultrafiltration methods and normal values. J clin. Invest. 1967; 36: 738
  • Walser M. Ion association. VI. Interactions between calcium, magnesium, inorganic phos phate, citrate and protein in normal human plasma. J. clin. Invest. 1961; 40: 723
  • Weir E. G., Hastings A. B. The ionisation constants of calcium proteinate determined by the solubility of calcium carbonate. J. biol. Chem. 1936; 114: 397

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.