NEB will be closed Thursday, November 23, 2017 and Friday, November 24, 2017. Orders placed will process Monday, November 27, 2017 for delivery on Tuesday, November 28,2017.

FAQ: What quality controls are performed on your purified BSA?

A 16 hour incubation is performed with ΦX174 DNA- HaeIII Digest (NEB# N3026). This assay checks for endonuclease, exonuclease and binding protein contamination.

A 4 hour incubation is performed with ΦX174 RFI DNA (NEB# N3021). This is a sensitive assay for nonspecific endonuclease.

A 1 hour incubation with a RNA ladder is performed. This assay checks for RNAse.
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