February 2003
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An overview is given on a handful of the different approaches taken by groups and biotech companies around the world as they work to develop non-viral systems. Although it will take time to develop the great potential of non-virals, they do show great promise. Viruses are efficient at delivering genes into a variety of cell types but they have many well-documented drawbacks. On the other hand, the non-viral approaches provide the ability to control all aspects of the components that go into the particle.