Can LPS be captivated by the tube if you freeze and subsequently thaw it?

I added 0.5 microgram LPS to DMEM+FCS+PS and then incubated 24h. After that, I transferred the LPS-stimulated DMEM to RAW264.7 macrophages and saw a stimulation in cytokine production.  However,...

16 January 2017 7,238 3 View