The Bioanalysis Glossary


137. electrochemiluminescence An analytical methodology based on the detection of


light


generated during electrochemical (redox) reactions of compounds in solution or attached to an electrode surface.


138. electrospray ionization (ESI) A soft ionization technique useful for dealing with nonvolatile or thermally labile molecules. Instead of fragmenting the molecule into many smaller charged particles making subsequent interpretation difficult, it ionizes the molecule through the generation of small droplets, with ions subsequently analyzed in the gas phase by mass spectrometry.


139. elimination half-life After peak concentration is reached, the time necessary to reduce the drug concentration in the plasma to one-half.


140. elution The process of desorbing an analyte from a stationary phase with a mobile phase.


141. enantiomer One of two stereoisomers that are non-superimposable mirror images of each other.


50 Bioanalysis (2020) 12(21) Suppl. 1 future science group


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