Ambient mass spectrometry
Welcome to this Analytical Methods themed collection on ambient mass spectrometry, guest edited by Facundo M. Fernández and Juan F. García-Reyes.
Ambient ionization mass spectrometry: real-time, proximal sample processing and ionization
A review of ambient ionization mass spectrometry highlighting the central role of sample preparation immediate to and during sample analysis.
Laser-based ambient mass spectrometry
This study summarized laser-based ambient mass spectrometric (AMS) techniques with regard to their fundamentals, ionization mechanisms, and recent applications.
Plasma-based ambient mass spectrometry: a step forward to practical applications
Plasma-based ambient mass spectrometry (AMS) exhibits great potential in the direct analysis of raw samples with minimum pretreatment.
Ambient mass spectrometry in the analysis of compounds of low polarity
Ambient mass spectrometry techniques that are capable of ionizing compounds of low polarity are discussed.
Immunoaffinity nanogold coupled with direct analysis in real time (DART) mass spectrometry for analytical toxicology
A rapid, definitive trace drug identification technique using nanogold surfaces with mass spectrometry was developed.
Easily fabricated ion source for characterizing mixtures of organic compounds by direct analysis in real time mass spectrometry
The EZ-DART ion source for ambient mass spectrometry, with simplified construction, minimal assembly cost, and versatile sampling capabilities, is described.
Secondary electrospray ionization proceeds via gas-phase chemical ionization
The proton transfer reaction in secondary electrospray ionization ultimately proceeds with gas-phase ions.
Fast quantitation of pyrazole fungicides in wine by ambient ionization mass spectrometry
Paper capillary used for fast quantitation of pyrazole fungicides in wines.
Development of an easily adaptable, high sensitivity source for inlet ionization
Unexpected ionization processes were recently discovered for use in mass spectrometry in which no added energy is required to convert condensed-phase molecules to gas-phase ions with ESI-like charge states by simply introducing the matrix/analyte sample into the sub-atmospheric pressure of the mass spectrometer.
Rapid pre-filtering of amphetamine and derivatives by direct analysis in real time (DART)-differential mobility spectrometry (DMS)
Herein, DART ionization was coupled to DMS to demonstrate their combined utility and compatibility for rapid separation and characterization of new psychoactive substances.
Easy ambient sonic-spray ionization mass spectrometry for tissue imaging
Easy ambient sonic-spray ionization mass spectrometry (EASI-MS) can be applied for tissue imaging when the application of high voltage is impractical or undesirable.
Drug screening method development for paper spray coupled to a triple quadrupole mass spectrometer
Paper spray mass spectrometry is a direct analysis method in which compounds are extracted and ionized from biofluids dried on paper.
Pulsed probe electrospray and nano-electrospray: the temporal profiles of ion formation from the Taylor cone
The temporal profiles of ion signals were measured for probe electrospray ionization (PESI) and nano-electrospray ionization (nESI) by changing the pulse width of the high voltage applied to the emitters.
Balancing the utility and legality of implementing portable mass spectrometers coupled with ambient ionization in routine law enforcement activities
Ambient sampling, portable MS systems have the potential to allow field processing of forensic evidence, as well as serve as a flexible investigative tool during law enforcement activities. However, the underlying legal implications require the discretion of practitioners to ensure both lawful and ethical usage.
Forensic discrimination between authentic and counterfeit perfumes using paper spray mass spectrometry and multivariate supervised classification
Paper spray mass spectrometry (PS-MS) is combined with chemometric methods (PCA, SIMCA and PLS-DA) for a fast and reliable forensic discrimination between authentic and counterfeit perfumes.
Differential ion mobility spectrometry with temperature programmable micromachined gas chromatography for the determination of bis(chloromethyl)ether
A parts-per-million level screening technique for bis(chloromethyl)ether using micromachined differential ion mobility spectrometry combined with portable temperature programmable low thermal mass silicon micromachined gas chromatography is described.
Infrared atmospheric solids analysis probe (IR-ASAP) mass spectrometry for ambient analysis of volatile compounds without heated gas
The IR-ASAP approach described is a simple yet highly sensitive ambient ionization method for analysis of vaporizable compounds without need of heated pressurized gas, thus making it especially amenable to portable mass spectrometers.
Metabolic comparison of dorsal versus ventral cells directly in the live 8-cell frog embryo by microprobe single-cell CE-ESI-MS
We uncovered previously unknown metabolic differences between dorsal and ventral cells in the 8-cell vertebrate embryo using microprobe single-cell CE-ESI-MS.
A coaxial extractive electrospray ionization source
An extractive electrospray ionization (EESI) source design is presented to improve the reproducibility of the interactions occurring in EESI.
DART-MS analysis of inorganic explosives using high temperature thermal desorption
Coupling resistive heating thermal desorption and direct analysis in real time demonstrated trace mass spectrometric detection of inorganic oxidizer explosives.
Automated chemical fingerprinting of Mexican spirits derived from Agave (tequila and mezcal) using direct-injection electrospray ionisation (DIESI) and low-temperature plasma (LTP) mass spectrometry
Tequila and mezcal are Mexican spirits prepared from Agave plants.
About this collection
This themed issue, Guest Edited by Professors Facundo Fernandez (Georgia Tech, USA) and Juan Garcia-Reyes (Universidad de Jaén, Spain), highlights fundamental studies in the field of ambient mass spectrometry and applications of these methodologies, and provides insights into newly emerging work in this important area of research.
Also of interest
Ambient Ionization Mass Spectrometry
Editors: Marek Domin and Robert Cody
Introducing the subject and explaining the basic concepts and terminology, this book will provide a comprehensive, unique treatise devoted to the subject. Written by acknowledged experts, there are full descriptions on how new ionization techniques work, with an overview of their strengths, weaknesses and applications. This title will bring the reader right up to date, with both applications and theory, and will be suitable as a tutorial text for those starting in the field from a variety of disciplines.