BACKGROUND One driving motivation in the development of point-of-care (POC)
diagnostics is to conveniently and immediately provide information upon which healthcare …

Within this paper a sub-group of ambient ionization mass spectrometry namely direct
ionization mass spectrometry techniques are reviewed. They are characterized by the …

Ambien ionization and miniaturization of mass spectrometers are two fields in mass
spectrometry that have advanced significantly in the last decade. The integration of the …

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 …

Paper spray MS is part of a cohort of ambient ionization or direct analysis methods that seek
to analyze complex samples without prior sample preparation. Extraction and electrospray …

Fourteen common drugs of abuse were identified in spiked oral fluid (ng mL− 1 levels),
analyzed directly from medical swabs using touch spray mass spectrometry (TS-MS) …

Electrospray ionization (ESI) is a powerful ionization technique in mass spectrometry (MS).
There has been an increasing interest for the new development of ESI technique to extend …

The analysis of oral fluid (OF) and urine samples to detect drug consumption has garnered
considerable attention as alternative biomatrices. Efficient implementation of microextraction …

Mass spectrometry (MS) is a formidable analytical tool for the analysis of non-polar to polar
compounds individually and/or from mixtures, providing information on the molecular …

Solid phase microextraction (SPME) is one of the most powerful sample preparation
techniques for analyte extraction and enrichment from complex matrices. SPME fibers are …