Gas chromatography was discovered by Russian-Italian botanist, Mikhail Semyonovich Tsvet, in the early 1900s. The separation technique is used to first split the chemical components of a mixture, then ...

The wide range of chromatographic techniques share one common aim: to separate a material into its components. A material, your sample, is dissolved in a solvent, called the mobile phase. This mixture ...

In Star Trek, Mr. Spock’s hand-held tricorder can instantly tell what something is made of. We don’t have tricorders yet, but we’re getting close. Portable devices just a little too big to hold in one ...

Ion exchange chromatography (IEX) is a versatile and widely used technique for separating biomolecules based on charge. It plays a critical role in protein purification in research and ...

Bioprocessing appears always to need more analysis and modeling. As Alexis J. Torres, PhD, of Pfizer’s manufacturing science and technology group in Sanford, NC, reported in the Biotechnology Journal, ...

Flash column chromatography is a method of chemical separation that is used to purify chemical mixtures. It is also known as flash purification, due to its function as a purification method. It is ...