Chromatography is relied on by many disciplines as a method of separating the components of a mixture. The basic idea of the process is that distinct compounds have different levels of solubility, ...

Thin-layer chromatography (TLC) was widely used in the 1960s and 1970s for pesticide residue analysis, but only to a limited extent since gas–liquid chromatography (GLC) and high performance liquid ...

Nanotechnology refers to research and technology which operates at the atomic, molecular, and macromolecular scale. Structures can be manipulated and studied at a scale in the range of 1-100nm, ...