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. 2004 Jan;48(1):236–241. doi: 10.1128/AAC.48.1.236-241.2004

TABLE 1.

IC50s of different heparin preparations

Organism IC50 (μg/ml [U/ml])a
Heparin 1 Heparin 2 Heparin 3
B. bovis 35 (7) 410 (57) 350 (52.5)
B. bigemina 30 (6) 210 (30) 60 (9)
B. equi 51 (10) 50 (6.5) 186 (28)
B. caballi 148 (29) 310 (44) 353 (53)
a

IC50s are per milliliter of growth medium and were determined on day 4 of in vitro culture by plotting the growth curves and subsequent interpolation.