...efficiently transfect. However, note that this method is most useful for cell lines that you can transfect at ...CRISPR system into mammalian cells is to directly transfect expression plasmids encoding your Cas protein ...gRNA, which you generally perform by chemical transfection or electroporation. Expression can be transient...Lentiviral vectors are a good option for difficult-to-transfect cells. You can direct expression to specific cell...These methods are more transient than plasmid transfection or viral vectors, reducing the risk of accumulating...method is helpful in cells that are difficult to transfect, transduce, or may not express common promoters...