Can I reuse the Ni-NTA Agarose and Ni-NTA Superflow resins?

The reuse of Ni-NTA Agarose and Ni-NTA Superflow resins depends on the nature of the sample and should only be performed with identical recombinant proteins. We recommend a maximum of 5 runs per column. After use the resin should be washed for 30 minutes with 0.5 M NaOH. Ni-NTA matrices should be stored in 30% ethanol to inhibit microbial growth.

If the Ni-NTA matrix changes from light blue to brownish-gray, the regeneration procedure described in the Appendix of the QIAexpressionist Handbook in section 'Reuse of Ni-NTA Resin' is recommended.

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