Search
Search Results
-
Sample preparation conditions for the real-time measurement of W/O emulsions by resonance-enhanced multiphoton ionization time-of-flight mass spectrometry
Analysis of an emulsion in its original dispersed condition is quite important for quality assessment and quality control. In the present study, the...
-
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...
-
Comprehensive Urine Drug Screen by Liquid Chromatography-Quadrupole Time of Flight Mass Spectrometry
Current trends in drug use include polydrug use as well as an ever-changing landscape of novel psychoactive substances. Immunoassay-based urine drug...
-
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...
-
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...
-
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...
-
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...
-
Proteomics for Microalgae Extracts by High-Resolution Mass Spectrometry
Two protocols of protein extraction from Arthrospira platensis (spirulina) microalgae to study their proteome by mass spectrometry (MS) are here...
-
Quantification of bioactive peptide lunasin from soybean, wheat, and their commercial products by ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry
Lunasin is a cancer-preventive food bioactive peptide. This study reports quantification of lunasin from selected varieties of soybeans, wheat grains...
-
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...
-
Mass Spectrometry with High-Performance Liquid Chromatography
Mass spectrometry (MS) is an analytical technique that provides information about the molecular weight and chemical characteristics of a compound....
-
In Situ Analysis of Tobacco Leaves Based on Microwave Plasma Torch Desorption Ionization Mass Spectrometry
Tobacco is an important economic crop worldwide. Tobacco leaves contain a large number of natural products. Therefore, the analysis of tobacco...
-
Advances in Mass Spectrometry-Metabolomics Based Approaches
Highly selective and sensitive analytical techniques are necessary for microbial metabolomics due to the complexity of the microbial sample matrix....
-
Sample Preparation for Metabolite Detection in Mass Spectrometry Imaging
Metabolites reflect the biological state of cells and tissue, and metabolomics is therefore a field of high interest both to understand normal...
-
Supercritical Fluid Chromatography–Mass Spectrometry with Atmospheric Pressure Chemical Ionization: Negatively Charged Ions of Mobile Phase Components
AbstractSupercritical fluid chromatography ( SFC ) is a promising alternative to conventional chromatographic methods and has several advantages over...
-
Integrated Gas Chromatography–Mass Spectrometry and Liquid Chromatography-Quadruple Time of Flight-Mass Spectrometry-Based Untargeted Metabolomics Reveal Possible Metabolites Related to Antioxidant Activity in Stingless Bee Honey
Stingless bee honey is a complex mixture of natural compounds. Therefore, the metabolite profile of stingless bee honey from different botanical...
-
Study of the Fragmentation of the Antiviral Drug Triazavirin in a Collision Cell under Electrospray Ionization Conditions
AbstractAzoloazines possess a wide spectrum of biological activity. For the analysis of new drugs of the azoloazine series, reliable methods of...
-
Characterization of arsenic species by liquid sampling-atmospheric pressure glow discharge ionization mass spectrometry
A liquid sampling-atmospheric pressure glow discharge (LS-APGD) ionization source operating at a nominal power of 30 W and solution flow rate of 30...
-
Differentiation of Eurycoma longifolia Using High-Performance Liquid Chromatography-Quadrupole Time-of-Flight Mass Spectrometry-Based Metabolomic Approach
AbstractAccurate classification and understanding of metabolite variations in Eurycoma longifolia according to source, harvesting age, and planting...
-
Desorption electrospray ionization (DESI) source coupling ion mobility mass spectrometry for imaging fluoropezil (DC20) distribution in rat brain
Fluoropezil (DC20) is a new selective acetylcholinesterase inhibitor, and it was developed for the treatment of Alzheimer’s disease patients. In this...
