Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
The separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
- ‘Using high pressure liquid chromatography, the alkaloids can be purified and crystallized.’
- ‘Amino acid analyses were carried out by ion exchange chromatography on sulphonated polystyrene resin linked to divinyl benzene.’
- ‘Both blood and urine screening tests use thin layer chromatography to separate the amino acids present.’
- ‘If the stationary phase is solid, the separation process is called adsorption chromatography.’
- ‘Metabolites of gylcolysis and the citrate cycle were measured by ion chromatography coupled to mass spectrometry (IC-MS).’
1930s: from German Chromatographie (see chromato-, -graphy), early separations being displayed as a number of colored bands or spots.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.