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Table 1 Influence of heparin neutraliser on the APTT. APTT clotting times were measured in NP with two reagents with crude cephalin diluted 1/100 and 1/3200, respectively. Mean results of two experiments and percent change in clotting time with addition of any heparin neutraliser are given. All experiments were performed in triplicates.

From: Detection and quantification of lupus anticoagulants in plasma from heparin treated patients, using addition of polybrene

  APTT, cephalin 1/100 APTT, cephalin 1/3200
  mean, seconds % change mean, seconds % change
without heparin neutraliser 30.4 -- 58.7 --
Poly-L-Arginine 3.96 μg/ml 33.8 11.2 55.8 -4.94
Poly-L-Lysine 3.96 μg/ml 29.7 -2.4 79.8 36.06
Polybrene 3.96 μg/ml 34.1 12.1 72.7 23.96
Protamine 3.96 μg/ml 35.7 17.5 64.4 9.80
  1. APTT clotting times were measured in normal plasma with two reagents with crude cephalin diluted 1/100 and 1/3200, respectively. Percent change in mean clotting times with addition of any heparin neutraliser are given.