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Table 1 LAL test in Cg solutions

From: Molecular basis of carrageenan-induced cytokines production in macrophages

Samples

Presence of endotoxin

Sensitivity

Gelation occurs

Endotoxin units (EU/ml)

Culture Medium

< 0,015

~  1000

PBS solution

< 0,015

~  1000

LPS 0,01 ng/ml

+

>  0,015

+

~  6000

LPS 0,1 ng/ml

+

>  0,015

+

~  12,000

LPS 1 ng/ml

+

>  0,015

+

~  12,000

LPS 10 ng/ml

+

>  0,015

+

~  24,000

LPS 100 ng/ml

+

>  0,015

+

~  24,000

LPS 1000 ng/ml

+

>  0,015

+

~  24,000

Cg 30 μg/ml

< 0,015

~  1000

Cg 100 μg/ml

<  0,015

~  1000

Cg 300 μg/ml

<  0,015

~  1000

  1. (+) Positive or (−) Negative detection for endotoxin presence
  2. Cg Carrageenan, LPS Lipopolysaccharide, EU/ml corresponding endotoxin concentration