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List Biological/ULTRA PURE LPS from Escherichia coli O111:B4/421/1 mg
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Productsareforresearchpurposesonlyandarenotforuseinhumansorasdiagnosticagents.

Our company List Biological was founded in 1978 by Linda Shoer. Cholera toxin, the first product, was sought after by those doing research in signal transduction and by others using the toxin B subunit to label neurons. At that time there were no commercial suppliers of this toxin. Our company has always focused on quality bacterial toxins, which you can depend on for your research. Because toxins have been the basis for many vaccines, List Labs products have supported vaccine development. List Labs was the first to commercialize many bacterial toxins for research, including C.difficile toxins and pertussis toxin. Today, we remain uniquely focused on manufacturing, offering and supporting a wide range of bacterial products.