In 1995, the largest shareholder of what was then Perkin-Elmer Corp. began lobbying for the company to separate its rapidly growing Applied Biosystems unit from its slow-growing Analytical Instruments business, which included technology relating to inorganic and organic chemistry analysis and chromatography. The company ultimately took that path, selling the Analytical Instruments division to EG&G Inc. in 1999. The latter became PerkinElmer Inc. while the parent company changed its name to PE Corp.

Now PerkinElmer (PKI) is coming full circle to begin competing with PE's PE Biosystems division (PEB), which was formed from the core of the Applied Biosystems unit that