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  • Title: Indium (111In)-labelled human platelets: optimal method.
    Author: Hawker RJ, Hawker LM, Wilkinson AR.
    Journal: Clin Sci (Lond); 1980 Mar; 58(3):243-8. PubMed ID: 7363565.
    Abstract:
    1. A detailed laboratory method is described for the labelling of human platelets with [111In]indium oxine. The 45 min method is simple, requires on 26 ml of blood and is suitable for routine clinical use. 2. After the labelling and resuspension of the platelets in plasma, aggregation responses to both adenosine diphosphate and collagen were similar to those of normal platelet-rich plasma. Less than 5% of the [111In]indium oxine was released by secretory function of platelets. 3. Labelling efficiencies of 90.1 +/- 4.29% (n = 28) were achieved in 60 s by normal concentrations of plasma-free platelet suspensions. 4. Platelet survival in vivo in healthy volunteer subjects follows a linear function with a survival time of 8.44 +/- 0.18 days.
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