liquid chromatography-electrospray ionisation mass spectrometry nanoflow liquid chromatography-electrospray ionisation mass spectrometry NanoLC-ESI-MS nanoLC-ESI-MS CHMO:0000752 nanoLC-ESI/MS nano liquid chromatography electrospray ionisation mass spectrometry nanoliquid chromatography electrospray ionisation mass spectroscopy nanoflow liquid chromatography electrospray ionisation mass spectrometry nano liquid chromatography electrospray ionisation mass spectroscopy nano liquid chromatography-electrospray ionisation mass spectrometry A method where a sample mixture is first separated by liquid chromatography (with a flow rate of nL min-1) before being ionised by forcing the solution (usually in an organic solvent) through a small heated capillary (at a flow rate of 1–10 L min-1) into an electric field to produce a very fine mist of charged droplets. The ions are then characterised by their mass-to-charge ratio and relative abundance.