Mass spectrometry has been the “gold standard” for drugs of abuse (DoA) analysis for many
decades because of the selectivity and sensitivity it affords. Recent progress in all aspects of …

The present review illustrates the state of the art in the field of liquid chromatography (LC)
hyphenated to electron ionization mass spectrometry (EI MS). An overview of applications …

This review focuses on the possibilities and limits of nontarget screening of emerging
contaminants, with emphasis on recent applications and developments in data evaluation …

Abstract Liquid Electron Ionization (LEI), is an innovative liquid chromatography-mass
spectrometry (LC–MS) interface that converts liquid HPLC eluent to the gas-phase in a mass …

Although LC-MS with atmospheric pressure ionization (API) sources is the primary
technique used in modern bioanalytical studies, electron ionization mass spectrometry (EI …

A selective and sensitive method utilizing gas chromatography–mass spectrometry was
developed for simultaneous determination of cinnamaldehyde, cinnamyl alcohol, and methyl …

A novel liquid chromatography–mass spectrometry (LC–MS) interfacing concept is
presented and discussed. The new interface, called liquid-EI (LEI), is based on electron …

Stimulated Raman scattering (SRS) microscopy is used to generate structural and chemical
three-dimensional images of native skin. We employed SRS microscopy to investigate the …

The present research is focused on the object to improve identification capability in liquid
chromatography (LC), by creating a system as similar as possible to gas chromatography …

Highlights•EI-MS offers unparalleled molecule identification capabilities.•The matrix-effect-
free nature of EI-MS is peerless for biotechnology analysis.•EI-MS bridges the gap between …