PRODUCTS.

The article presents information on a variety of products introduced in analytical chemistry. Viscotek Corp. has announced the application of its proprietary triple detection gel permeation chromatography (GPC) technology to the characterization of a range of drug delivery systems including transdermal patches, capsules, and under-skin depots. Furthermore, Millipore Corp. has announced the availability of media to improve process efficiency and extend the life of fina filters. Also, from Amersham B osciences comes a fully integrated protein purification system for delivering automated, high-throughput, multi-step purification of proteins.