In cell affinity chromatography, type-specific cell separation is based on the interaction between cell-surface receptors and an immobilized ligand on a stationary matrix. This protocol describes the ...

Chromatography is a technique that is used for separation of mixtures. The name combines the Greek word chroma, or “color,” with graphein, “to write.” The technique was invented in 1900 by Mikhail ...

In the April issue, we looked at the first part of fixed catalog or Internet creative costs — the cost of designing, photographing, and producing catalog or Internet pages. Those aren’t the only fixed ...