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How do I remove any unconjugated free dye from the labeled antibody since there is no purification step?

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This question relates to a key element of our invention. The unique formulations of our dyes and buffers and the labeling strategy have completely removed this concern, which normally has to be dealt with when using conventional antibody labeling methodology. The exact mechanism on how this problem is solved is proprietary information. For use on live cells we do recommend a quick purification using the provided ultrafiltration vial or staining at 4°C to prevent possible endocytosis of free dye.

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