A subscription to JoVE is required to view this content.
You will only be able to see the first 2 minutes.
Summary May 29th, 2012
In this article, a simple, quantitative, liquid phase affinity capture assay is presented. It is a reliable technique based on the interaction between magnetic beads and tagged proteins (e.g. nanobodies) on one hand and the affinity between the tagged protein and a second, labeled protein (e.g. poliovirus) on the other.