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Pharmaceutisch weekblad

, Volume 3, Issue 1, pp 1302–1304 | Cite as

Semi in vitro labelling of red blood cells with99mTc: a comparison with the in vivo labelling

  • A. Vyth
  • C. F. M. Raam
  • J. B. Van Der Schoot
Original Articles
  • 19 Downloads

Abstract

A method ofsemi in vitro labelling of red blood cells (Rbc) is described.Rbc, ‘pre-tinned’ in the body, were labelledin vitro with99mTc. The labelling efficiency, expressed as the percentage of the administered activity found in the blood, appeared to be higher with this preparation method compared toin vivo labelling ofRbc, respectively 91.3±3.6 and 71.3±3.5 (mean±Sem). There was no difference between both methods in elimination of the label in the urine up to one hour (4.6% of the administered activity).

The data here presented, show that thesemi in vitro method provides a preparation with a high cell-bound activity of 96%. Because of a better labelling efficiency, application of thesemi in vitro method results in more circulating activity and a higher left ventricle to background ratio.

Keywords

DTPA Pertechnetate Labelling Efficiency Gate Blood Pool Vitro Method 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Bohn, Scheltema & Holkema 1981

Authors and Affiliations

  • A. Vyth
    • 1
  • C. F. M. Raam
    • 1
  • J. B. Van Der Schoot
    • 1
  1. 1.Nuclear Medicine DepartmentWilhelmina Gasthuis of the University of AmsterdamEG AmsterdamThe Netherlands

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