XpressBio has launched an ELISA assay that can quantitatively detect levels of the Cas9 protein in cell culture. Knowing precise levels of the Cas9 protein in cell lines gives researchers valuable data to utilize for gene editing studies. After seeing the demand for a quality, reliable tool-to-monitor Cas9 in the rapid field of genetic engineering, XpressBio scientists developed the Cas9 ELISA to provide a favorable solution.

“The Cas9 endonuclease is a critical and essential component of the CRISPR/Cas9 gene editing system. Therefore, it is of great importance to evaluate the abundance of Cas9 in systems that utilize this technology. The XpressBio Cas9 ELISA has many functional applications including, but not limited to, evaluation of transfection efficiency, monitoring of Cas9 within stable cell systems, and troubleshooting of the CRISPR/Cas9 system in the event gene knock-out or transgene incorporation isn’t achieved.

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