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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...
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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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Chromatography High-Resolution Mass Spectrometry in Food and Environmental Chemistry
In the past 20 years, the evolution of mass spectrometry has undergone tremendous technological advances to improve mass resolution, accuracy, and...
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Comparison of high-resolution mass spectrometry acquisition methods for the simultaneous quantification and identification of per- and polyfluoroalkyl substances (PFAS)
Simultaneous identification and quantification of per- and polyfluoroalkyl substances (PFAS) were evaluated for three quadrupole time-of-flight mass...
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Untargeted High-Resolution Mass Spectrometry for Detection of Natural Products and Confiscated Powders and Pills
Drug testing for clinical toxicology purposes is difficult given the variety of drugs and substances that can be abused. High-resolution mass...
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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...
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Determination of anti-SARS-CoV-2 virustatic pharmaceuticals in the aquatic environment using high-performance liquid chromatography high-resolution mass spectrometry
The Covid-19 pandemic has affected the global population since 2019. The rapid development and approval of vaccines has brought relief. Yet,...
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Systematic characterization of triterpenoid saponins in Kuding tea using ultra-high-performance liquid chromatography coupled with tandem quadrupole/time-of-flight mass spectrometry
AbstractKuding tea, which is a widely consumed tea in China and other southeastern Asian countries made from the leaves of Ilex kudingcha C.J....
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Sample Screening and Determination of 214 Veterinary Drug Residues in Food Using Chromatography–High-Resolution Mass Spectrometry
AbstractA combination of sample screening and subsequent confirmatory detection of contaminants represents an optimal strategy for routine analysis...
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Gas Chromatography and Mass Spectrometry: The Technique
Combining the techniques of gas chromatography and mass spectrometry provides conjunction with a confirmatory character, which has a great power of...
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Combination of high-performance thin-layer chromatography and liquid chromatography–quadrupole time-of-flight–tandem mass spectrometry analysis: a promising analytical tool for discrimination between oleo-gum resin of raw and purified Commiphora wightii
Guggulu ( Commiphora wightii oleo-gum resin) is exported in more than 42 countries including developed countries like the United Kingdom and the...
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A Study of the Metabolism of Ibutamoren (MK-677), a Growth Hormone Secretagogue, in Human Urine by Ultra-High-Performance Liquid Chromatography–High-Resolution Mass Spectrometry
AbstractThe metabolism of Ibutamoren (MK-677), a nonpeptide growth hormone secretagogue, was investigated by analyzing human urine samples collected...
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Lipidomics Analysis of Different Marine Fish Oils Using Untargeted Liquid Chromatography–Orbitrap High-Resolution Mass Spectrometry and Chemometrics
Marine fish oils (MFOs) have been known for their nutritional compounds, which benefit human health. MFOs contain various lipids which play an...
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Photolytic and Oxidative Degradation Behavior of Anticancer Drug Venetoclax: Characterization of New Degradation Products Using High Resolution Mass Spectrometry
AbstractVenetoclax ( VEN ), an anticancer drug, was subjected to photolytic and oxidative degradation studies. The comprehensive degradation profiling...
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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....
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Rapid determination of 48 stimulant residues in milk and dairy products by high-performance liquid chromatography coupled with quadrupole/Orbitrap high-resolution mass spectrometry
A fast and easy method was proposed for the determination and quantification of 48 stimulants in milk and dairy products using high-performance...
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Detection of synthetic analogues of insulin-like growth factor 1 in different biological fluids by liquid chromatography quadrupole time-of-flight mass spectrometry: comparison of different immunoaffinity protocols
Insulin-like growth factor 1 analogues are prohibited in sport for their ability to enhance athletic performance in several sport disciplines. Their...
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A comparison of four liquid chromatography–mass spectrometry platforms for the analysis of zeranols in urine
Targeted biomonitoring studies quantifying the concentration of zeranols in biological matrices have focused on liquid chromatography interfaced to...
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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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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....