Skip to main content
. Author manuscript; available in PMC: 2015 Feb 20.
Published in final edited form as: J Biotechnol. 2013 Dec 29;172:67–72. doi: 10.1016/j.jbiotec.2013.12.012

Table 1.

Endotoxin levels in LIF from different commercial sources*

Vendor Source Endotoxin Specification (EU/μg)
Santa Cruz Biotechnology (catalog no. sc-4988) E. coli Not specified
Millipore (catalog no. LIF1010) E. coli < 1
Life Technologies (catalog no. PHC9481) E. coli < 1
ORF Genetics (catalog no. 01-A0880) barley grain < 0.05
Symansis (catalog no. 3014C) 293 cells Not specified
Sigma-Aldrich (catalog no. L5283) E. coli < 1
InVitria**(catalog no. 777LIF048) rice grain < 0.002
*

Endotoxin levels were cited from product certificates of analysis from each vendor indicated.

**

Endotoxin level was measured in this study using the Pyrogene Endotoxin Detection Assay from Lonza (Walkersville, MD).