If you simply want fluorescent labeled Staph for uptake studies, you can buy that directly from Molecular Probes. You'll want to use the BODIPY conjugate so the signal is not quenched by the acidic pH of the phagolysosome. You can find the product at: http://www.probes.com/servlets/product?region=Select+Region&item=2854 I've frequently used this product, as well as the labeled e. coli for studies of receptor mediated endocytosis. Good luck Kb -- Keith Bahjat, Ph.D. Applications Engineering Manager Cytomation, Inc. Fort Collins, Colorado keithb@cytomation.com
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