Abbreviation Definition A, C, G, Tadenine, cytidine, guanine, thymineAc, OAcacetyl, acetateADP, AMP, ATPadenosine 5'-di-, -mono-, -triphosphate, etc. and similar nucleosidephosphatesARanalytical gradebpbase pairStandard 3- and 1-letter codesamino acidsAUabsorbance unitsBETBrunauer-Emmett-TellerCE, CECcapillary electrophoresis, capillary electrochromatographyd, m, p, r, tin nucleosides/deoxy, messenger, phosphate, recombinant/riboso-mal, transfer nucleotides/nucleic acidsDEAEdiethylaminoethylDNA, DNasedeoxyribonucleic acid, deoxyribonucleaseEDTAethylene diamine tetraacetic acidEIelectron impact (ionization)ESIelectrospray ionizationFIDflame ionization detectorFLDfluorescence detectorFTFourier transformGCgas chromatographyHP…high performance …ICion chromatographyi.d.internal diameterIgGimmunoglobulin GIRinfraredISinternal standardLCliquid chromatographyLODlimit of detectionLOQlimit of quantificationMALDI-TOFmatrix-assisted laser desorption ionization-time of flight Mrrelative molecular massMRMmultiple reaction monitoringMS, MS/MSmass spectrometry, tandem mass spectrometryNAD, NADH (NADP, NADPH) nicotinamide-adenine dinucleotide (phosphate)NMRnuclear magnetic resonancePCRpolymerase chain reactionQuEChERSquick, easy, cheap, effective, rugged and safercorrelation coefficientRNA, RNaseribonucleic acid, ribonucleaseRP…reversed-phase …RSDrelative standard deviation (preferred over coefficient of variation)SDstandard deviationSIMselected ion monitoringS/Nsignal/noiseSPE, SPMEsolid phase extraction, solid phase microextractionSRMselected reaction monitoringTLCthin-layer chromatographyTristris(hydroxymethyl)aminomethaneUPLCultra performance liquid chromatographyUVultravioletVisvisible