Cell viability as a function of LPS and CEES concentration. CEES at concentrations greater that 300 μM were toxic (p < 0.05) to RAW 264.7 macrophages at LPS levels of 25 ng/ml or greater. Cell viability was measured, after 24 hours, by the MTT assay as described in the Methods.
Stone et al. BMC Cell Biology 2003 4:1 doi:10.1186/1471-2121-4-1