AIMC Topic: Tandem Mass Spectrometry
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Investigating the antifungal activity and mechanism of a microbial pesticide Shenqinmycin against Phoma sp.
Pesticide biochemistry and physiology
Aug 30, 2017
Tea white scab (TWS) is a major disease affecting tea trees in mid-elevation regions and often occurs during rainy seasons with low temperatures. This disease is caused by the fungal pathogen Phoma sp. TWS can infect young stems, tender leaves, and t...
Genes, Fungal
Tandem Mass Spectrometry
Phenazines
Nanotechnology
Plant Structures
Chromatography, Liquid
Energy Metabolism
Mycelium
Plant Diseases
Microbial Sensitivity Tests
Camellia sinensis
Ascomycota
RNA, Messenger
Oxidation-Reduction
Gene Expression Regulation, Fungal
Culture Media
Fungal Proteins
Antifungal Agents
Down-Regulation
Up-Regulation
Homeostasis
Rapid characterization of metabolites in soybean using ultra high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UPLC-ESI-Q-TOF-MS/MS) and screening for α-glucosidase inhibitory and antioxidant properties through different solvent systems.
Journal of food and drug analysis
Jun 15, 2017
This work was the first to investigate on the simultaneous characterization of metabolite profiles in soybean using UPLC-ESI-Q-TOF-MS/MS. Twenty two compositions were observed within 14 min from the methanol extract and confirmed as twelve isoflavone...
Glycine max
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Molecular Structure
Isoflavones
Solvents
Plant Extracts
Antioxidants
Chromatography, High Pressure Liquid
Glycoside Hydrolase Inhibitors
Metabolomics
Tandem Mass Spectrometry
Metabolome
Spectrometry, Mass, Electrospray Ionization
Phytochemicals
Identification of small molecules using accurate mass MS/MS search.
Mass spectrometry reviews
Apr 24, 2017
Tandem mass spectral library search (MS/MS) is the fastest way to correctly annotate MS/MS spectra from screening small molecules in fields such as environmental analysis, drug screening, lipid analysis, and metabolomics. The confidence in MS/MS-base...
The inhibition of advanced glycation end-products by five fractions and three main flavonoids from Camellia nitidissima Chi flowers.
Journal of food and drug analysis
Apr 18, 2017
Camellia nitidissima Chi (CNC), belonging to Camellia genus (Theaceae family), is a medicinal and edible plant in China. Among the whole plant, the CNC flowers are especially precious, but the biological activities and the compositions of the CNC flo...
LC-MS/MS determination of d-mannose in human serum as a potential cancer biomarker.
Journal of pharmaceutical and biomedical analysis
Dec 28, 2016
Several metabolites in human serum have been identified as potential cancer biomarkers for early detection. This study focuses on the LC-MS/MS method development and validation of d-mannose in human serum. Surrogate blank serum, coupled with stable i...
Quantification of the 3α and 3β epimers of 25-hydroxyvitamin D in dried blood spots by LC-MS/MS using artificial whole blood calibration and chemical derivatization.
Talanta
Dec 28, 2016
While the biological function of the 3α epimer of 25-hydroxyvitamin D (25(OH)D) remains unknown, its presence needs to be accurately captured and separated from the main 3β epimer, to avoid positive bias in vitamin D status analyses. Several recent L...
Simultaneous determination of imperatorin and its metabolite xanthotoxol in rat plasma and urine by LC-MS/MS and its application to pharmacokinetic studies.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
Dec 28, 2016
An accurate, precise, selective, and sensitive liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) method was developed for the simultaneous determination of imperatorin (IMP) and its metabolite, xanthotoxol (XAN), in rat plasma and ...
Rapid quantitation of avenanthramides in oat-containing products by high-performance liquid chromatography coupled with triple quadrupole mass spectrometry (HPLC-TQMS).
Food chemistry
Dec 23, 2016
Avenanthramides (AVNs) are a family of nitrogen-containing phenolic compounds produced in oat; AVN 2c, 2p, and 2f are the three major members. An LC-MS/MS method was developed, with the limit of detection (LOD) and the limit of quantitation (LOQ) bei...
An LC-MS/MS method for the determination of digitoxigenin in skin samples and its application to skin permeation and metabolic stability studies.
Journal of pharmaceutical and biomedical analysis
Dec 23, 2016
An LC-MS/MS method was developed for the determination of digitoxigenin in mice skin samples. Chromatographic separation was achieved on an Agilent Poroshell 120 EC-C18 column. Mass spectrometric detection was achieved by a triple-quadrupole mass spe...
Accelerated Solvent Extraction of Insecticides from Rice Hulls, Rice Bran, and Polished Rice Grains.
Journal of AOAC International
Dec 23, 2016
Analysis of pesticide residues in irrigated rice grains is important for food security. In this study, we analyzed accelerated solvent extraction (ASE) conditions for the extraction of thiamethoxam and chlorantraniliprole insecticides from rice hulls...
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