Search
Search Results
-
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...
-
Measurement of atmospheric amines and aminoamides by column adsorption/extraction and hydrophilic liquid chromatography-electrospray-tandem mass spectrometry
Sampling and chromatography-mass spectrometry methods were investigated to measure atmospheric amines and aminoamides. Amines and their amide...
-
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...
-
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,...
-
Determination of Seven Biogenic Amines in Tuna with High-Performance Liquid Chromatography Coupled to Electrospray Ionization Ion Mobility Spectrometry
Tuna is one of the most popular fish and therefore among the most commercially valuable seafood. However, inadequate refrigeration during the whole...
-
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,...
-
Untargeted Metabolomics by Liquid Chromatography–Mass Spectrometry in Biomedical Research
Metabolomics, alone or in combination with other omics sciences, has shown great relevance in a large number of investigations in different branches...
-
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....
-
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...
-
Rapid, sensitive, and high-throughput quantification of broad serological ceramides by using isotope dilution liquid chromatography-negative ion electrospray tandem mass spectrometry
Ceramides are important intermediates in the metabolism of sphingolipids. High-throughput liquid chromatography-mass spectrometry has been used...
-
Quantification of Mycophenolic Acid in Plasma by High Performance Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Mycophenolate mofetil (MMF) and sodium mycophenolate are commonly prescribed immunosuppressive drugs for patients who have undergone solid organ...
-
A Liquid Chromatography-Tandem Mass Spectrometry Assay for Quantification of Ethyl Glucuronide and Ethyl Sulfate in Urine
Ethyl glucuronide and ethyl sulfate emerged as the biomarkers of choice for detection of ethanol use as the required sample is urine, enabling easy...
-
Flavonol Identification and Quantitation by High Performance Liquid Chromatography Coupled with Mass Spectrometry (HPLC-MSn)
Flavonols are a class of phenolic compounds derived from plant secondary metabolism. In wine, these flavonoid compounds do not receive enough...
-
Quantification of Olanzapine by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Olanzapine (Zyprexa™) is indicated for the treatment of schizophrenia and bipolar disorder. Olanzapine is metabolized to inactive metabolites;...
-
Quantitation of 5-Methyltetrahydrofolate in Cerebrospinal Fluid Using Liquid Chromatography-Electrospray-Tandem Mass Spectrometry
We describe a simple stable isotope dilution method for accurate and precise measurement of cerebrospinal fluid (CSF) 5-methyltetrahydrofolate...
-
Determination of Treosulfan and Fludarabine in Plasma by Turbulent Flow Liquid Chromatography-Tandem Mass Spectrometry (TFLC-MS/MS)
Treosulfan is a structural analog of the alkylating agent busulfan which has been shown in clinical trials to exhibit comparable myeloablative...
-
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...
-
Determination of N-nitro-, C-nitro-, and C-nitrous-type Compounds in Meat Products by d-SPE Extraction and Liquid Chromatography Coupled to Mass Spectrometry
This method is intended for the extraction of 2-methyl-1,4-dinitropyrrol (DNMP), 1-nitro-2-methyl-3-amino pyrrole (NMAP), and ethylnitrolic acid...
-
Anthocyanin Identification and Quantitation by High Performance Liquid Chromatography Coupled with Mass Spectrometry (HPLC-MSn)
Anthocyanins are considered the principal agent for wine’s intense color response for the first sensory sight assessed by the consumers, the...
-
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...