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Minimization of carryover for high-throughput liquid chromatography with tandem mass spectrometry analysis of 14 mycotoxins in corn grits.
TLDR
It is shown that a highly sensitive method for the simultaneous analysis of mycotoxins over a wide range of concentrations was achieved with minimal carryover, and suggested that the carryover occurred due to the chelation of fumonisins with the metal.
Formic Acid-Ammonium Formate Buffer System for Thermospray Liquid Chromatography/Mass Spectrometry
A buffer system consisting of formic acid and ammonium formate was investigated as a strongly acidic mobile phase for thermospray liquid chromatography/mass spectrometry (TSP LC/MS). The behavior of
Structural studies on the linkage unit between poly(N-acetylglucosamine 1-phosphate) and peptidoglycan in cell walls of Bacillus pumilus AHU 1650.
TLDR
It was shown that the other cell wall polymer, glycerol teichoic acid, is also attached to peptidoglycan through the same disaccharide, ManNAc(beta 1----4)GlcNAc.
Convenient structural analysis of glycosphingolipids using MALDI-QIT-TOF mass spectrometry with increased laser power and cooling gas flow.
TLDR
Matrix-assisted laser desorption/ionization quadrupole ion trap time-of-flight mass spectrometry (MALDI-QIT-TOF MS) was applied to the structural characterization of neutral glycosphingolipids to determine the structures of both the oligosaccharide and the ceramide moiety of each glycolipid.
Profiling and biomarker identification in plasma from different Zucker rat strains via high mass accuracy multistage mass spectrometric analysis using liquid chromatography/mass spectrometry with a
TLDR
This application shows that the use of high mass accuracy electrospray ionisation MS(n) together with a software tool can be used effectively to detect and characterise unknown analytes in complex matrices, and represents a promising approach for future profiling studies.
Free D-amino acids produced by commensal bacteria in the colonic lumen
TLDR
It is shown that 12 free D-AAs are produced by intestinal microbiota and identified bacterial groups belonging to Firmicutes as the relevant bacterial candidates.
Purification and characterization of arginine amidinohydrolase from Bacillus brevis TT02-8.
TLDR
A bacterial arginase was purified to homogeneity from a strain of Bacillus brevis and found 33-36% homologies with the Agrobacterium, yeast, rat, and human enzymes.
Structural characterization of glycopeptides by N-terminal protein ladder sequencing.
TLDR
Synthetic O-linked glycopeptides are analyzed using matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) MS to determine the glycosylation sites, amino acid sequences, and oligosaccharide molecular weights of the glycopePTides.
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