Laura Bonetta | Apr 1, 2002 | 9 min read
A postdoctoral fellow has just identified an interesting new gene. But to get published in a top-flight journal, there's a need to figure out what the gene product does in vivo. Unfortunately, to accomplish that, the postdoc needs a way to get the protein into the cell, and therein lies the problem: There are many fast and effective methods to introduce transcriptionally active DNA into cells,1 but options for delivering functional proteins into cells are limited. New research and commercially a