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Elispot Discussion
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Please, feel free to start discussions about the Elispot technique, methods, ideas, questions, experience etc. With your input, we would like to make this website to a special interactive place for everyone who is interested in the Elispot assay.
We apologize for not having this discussion site online for a while. Our web site was targeted by someone who placed a bad activeX link in the discussion. We are in the process of recovering as much as possible. The shown placement dates do not reflect the actual message posting. The first discussion topic was placed in 1999.
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Subject Background spots

Date

Author Sylvia
(sylvia@zellnet.com)

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Jeff, did you run a medium control (no cells added)? If yes, and you see spots there - then these are false positive spots caused by aggregates of secondary antibody. Please, filter secondary ab after dilution, before adding to plate with low protein-binding syringe filter, 0.2um pore size. This will get rid of them - completely.
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