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Examining functional group-dependent effects on the ionization of lignin monomers using supercritical fluid chromatography/electrospray ionization mass spectrometry
The chemical and biological conversion of biomass-derived lignin is a promising pathway for producing valuable low molecular weight aromatic...
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Development of a rapid-fire drug screening method by probe electrospray ionization tandem mass spectrometry for human urine (RaDPi-U)
Drug screening tests are mandatory in the search for drugs in forensic biological samples, and immunological methods and mass spectrometry (e.g., gas...
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Plastic probe electrospray ionization mass spectrometry developed for rapid fingerprint profile of biological samples without pretreatment
A triangular-shaped flat plastic substrate probe was prepared for direct electrospray ionization mass spectrometry (ESI–MS) for analysis of untreated...
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Application of infrared matrix-assisted laser desorption electrospray ionization mass spectrometry for morphine imaging in brain tissue
Here, we present a method developed for the analysis of spatial distributions of morphine in mouse brain tissue using infrared matrix-assisted laser...
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A 3D-printed sub-atmospheric pressure electrospray ionization source for robust, facile, and flexible mass spectrometry analysis
The operation and performance of electrospray ionization (ESI) is affected by the surrounding environment. In this study, a compact sub-atmospheric...
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Mass Spectrometry
Mass spectrometry (MS) is a powerful analytical technique that can solve most complex problems faced by the food analytical chemist, both in a...
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Update DESI Mass Spectrometry Imaging (MSI)
Desorption electrospray ionization (DESI) is an ambient technique that allows chemical information to be obtained directly from a wide range of...
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In situ fabrication of covalent organic frameworks on solid-phase microextraction probes coupled with electrospray ionization mass spectrometry for enrichment and determination of androgens in biosamples
Solid-phase microextraction (SPME) coupled with electrospray ionization mass spectrometry (ESI-MS) was developed for rapid and sensitive...
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Rapid On-Site Detection of Various Amphetamine-Type Drugs in Human Urine and Hair by Portable Pulsed Direct Current Electrospray Ionization Mass Spectrometry
AbstractHerein, a new method for the simultaneous rapid on-site detection of various amphetamine (AM)-type drugs in human urine and hair samples is...
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Mass Spectrometry-Based Methods for the Characterization of Wine Flavonoids
Mass spectrometry is one of the most sensitive techniques that can be used in wine analysis. The use of different mass spectrometric approaches...
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A Possible Method for the Derivatization of Cyclic Sulfides with Polydialkylsiloxanes for Subsequent Study by “Soft” Ionization Mass Spectrometry
AbstractIn develo** methods for the preliminary chemical modification of nonpolar sulfur-containing compounds for their subsequent effective study...
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Recent advances in entirely hand-held ionization sources for mass spectrometry
Ambient ionization mass spectrometry (AIMS) has been develo** explosively since its first debut. The ionization process was hence able to be...
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Desorption electrospray ionization and matrix-assisted laser desorption/ionization as imaging approaches for biological samples analysis
The imaging of biological tissues can offer valuable information about the sample composition, which improves the understanding of analyte...
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Direct analysis of biodegradable chelating agents based on liquid chromatography/electrospray ionization mass spectrometry using a metal-free hydrophilic interaction liquid chromatographic column
Recently, biodegradable aminopolycarboxylic acid chelating agents have attracted attention as an alternative to environmentally persistent chelating...
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Screening of Medicinal Compounds in Blood by Atmospheric Pressure Laser Plasma Ionization Mass Spectrometry
AbstractWe proposed a procedure for screening drug compounds by high-resolution mass spectrometry with atmospheric pressure laser plasma ionization...
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Liquid Chromatography-Tandem Mass Spectrometry for Quantitation of Serum Pentobarbital
Pentobarbital is a short-acting barbiturate with anticonvulsant and sedative-hypnotic properties. Pentobarbital may be used to induce sedation,...
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Spatial Metabolomics Using Imaging Mass Spectrometry
Imaging mass spectrometry (IMS) of biological tissues is a valuable multiplexed molecular imaging probe that provides the spatial distribution of...
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Liquid Extraction Surface Analysis Mass Spectrometry Imaging of Denatured Intact Proteins
Liquid extraction surface analysis (LESA) is an ambient surface sampling technique that can be coupled with mass spectrometry (MS) to analyze...
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Mass Spectrometry of Nitroaromatic Compounds with Atmospheric Pressure Laser Plasma Ionization
AbstractThe results of a study of the analytical characteristics of a mass spectrometric method based on atmospheric pressure laser plasma-induced...
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Analysis of Hypoglycemic Drugs by Liquid Chromatography-Tandem Mass Spectrometry
A rapid and simple method to measure oral hypoglycemic agents is essential in the evaluation of a patient with spontaneous hypoglycemia. As a result,...