Liquid Chromatography / Electrospray Ionization – Mass Spectrometry…19
A Tool To Visualize and Evaluate Data Obtained by Liquid Chromatography-Electrospray Ionization-Mass Spectrometry
... We describe here a visualization tool, Pep3D, to display LC- ESI-MS data. The tool is transparent and easy to interpret and provides informative, comprehensive, and sophisticated insights into the performance of an LC - ...
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Coupling Filter-Based Thermal Desorption Chemical Ionization Mass Spectrometry with Liquid Chromatography/Electrospray Ionization Mass Spectrometry for Molecular Analysis of Secondary Organic Aerosol
... N.W., Spectrometry with Liquid Chromatography/Electrospray Ionization Mass Spectrometry for Molecular Analysis of Secondary Organic Aerosol Yuanlong Huang, Christopher M ...
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SIMPLE AND ROBUST METHOD FOR THE QUANTIFICATION OF LEVONORGESTREL IN PLASMA BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY ELECTROSPRAY IONIZATION MASS SPECTROMETRY
... India. Liquid Chromatographic conditions: A Surveyor liquid chromatograph from Thermo Finnigan Inc, USA, consisting of an auto sampler, and low pressure quaternary gradient pump was used for the ...
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METHOD DEVELOPMENT AND VALIDATION FOR THE ESTIMATION OF AMPRENAVIR IN HUMAN PLASMA BY LIQUID CHROMATOGRAPHY–ELECTROSPRAY IONIZATION–TANDEM MASS SPECTROMETRY
... CONCLUSION A bioanalytical LC-MS/MS method for the amprenavir was developed and validated with methyl-indinavir as IS. This method has excellent recovery, accuracy, and precision compared with existed methods for the ...
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Metabolomics Investigation of Glyceollins by On-Line Liquid Chromatography-Electrospray Ionization Tandem Mass Spectrometry and Fungal Metabolite Identification by Thermal Desorption Analysis Coupled with Gas Chromatography-Mass Spectrometry
... LC separation prior to ESI-MS or ESI-MS/MS analyses offers the theoretical advantage that each analyte species may enter the ESI source of the mass spectrometer free from interferences. Even so, the sequential ...
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A Sensitive method for Simultaneous quantitation of Estradiol and Estrone in human plasma by Liquid chromatography-tandem mass spectrometry with electrospray ionization
... Amlodipine was used as the internal standard. The chromatographic separation was performed with a mobile phase comprising formic acid and methanol in gradient mode. The mass transitions of m/z 506.13/170.66 for 3- ...
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RAPID QUANTIFICATION OF IRINOTECAN IN RAT PLASMA BY LIQUID CHROMATOGRAPHY-ELECTROSPRAY IONIZATION TANDEM MASS SPECTROMETRY-APPLICATION TO PRECLINICAL PHARMACOKINETICS
... methods, chromatography was carried out with fluorescence ...procedures, Liquid chromatography–mass spectrometry methods have also been described 22-24 to support preclinical and ...
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Rapid and sensitive hormonal profiling of complex plant samples by liquid chromatography coupled to electrospray ionization tandem mass spectrometry
... ultrahigh-performance liquid chromatography coupled to electrospray ionization tandem spectrometry (UPLC/ESI-MS/MS) to analyze quantitatively the major hormones found in plant tissues ...
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Rapid and sensitive hormonal profiling of complex plant samples by liquid chromatography coupled to electrospray ionization tandem mass spectrometry
... pension of the residues have been reported for plant hormone extraction [14,20] which may increase the risk of hormone loss. However, the application of internal standards can provide corrections for hormone loss dur- ...
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Iodometry-Assisted Liquid Chromatography Electrospray Ionization Mass Spectrometry for Analysis of Organic Peroxides - an Application to Atmospheric Secondary Organic Aerosol
... assignment, mass uncertainty, and the proposed elemental composition of the authentic compound are summarized in the ...the mass accuracy of a peak is larger than ± 5 ppm or when the elemental composition ...
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Investigation of in Vitro and in Vivo Metabolism of Schisandrin B from Schisandrae Fructus by Liquid Chromatography Coupled Electrospray Ionization Tandem Mass Spectrometry
... This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract Schisandrin B (Sch B) is one of the active dibenzocyclooctadiene lignans ...
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Analysis of Urea in Petfood Matrices: Comparison of Spectro Colorimetric, Enzymatic and Liquid Chromatography Electrospray Ionization High Resolution Mass Spectrometry Methods
... August 19, 2012 ABSTRACT Adulteration may consist in non authorized source of nitrogen addition to increase the protein content of some raw ma- ...detection. Liquid chromatographic (LC/UV-DAD) analysis of ...
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Whisky analysis by electrospray ionization-Fourier transform mass spectrometry
... ThoMSon Mass Spectrometry Laboratory, 13084-971, Campinas, SP, Brazil b Federal University of Alfenas, UNIFAL, Institute of Chemistry, 37130-000, Alfenas, MG, Brazil c Brazilian Federal Police, Ministério ...
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Rapid detection of dimethyl yellow dye in curry by liquid chromatography electrospray tandem mass spectrometry
... by Liquid Chromatography-Electrospray-Tandem Mass Spectrometry Fernando TaTeo 1 , Monica BoNoNi 1 and Franco GalloNe 2 1 analytical Research laboratories Food and environment, ...
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Quantification of levoglucosan and its isomers by High Performance Liquid Chromatography – Electrospray Ionization tandem Mass Spectrometry and its applications to atmospheric and soil samples
... Gas Chromatography-Mass Spectrometry (GC- MS) technique after derivatization and requires an organic solvent ...using Liquid Chromatography – Electrospray Ionisation – tandem ...
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Method optimization and validation for the simultaneous determination of arachidonic acid metabolites in exhaled breath condensate by liquid chromatography-electrospray ionization tandem mass spectrometry
... and chromatography Increasing the fraction of solvent B as shown in Table 1 the analytes can be eluted from the RAM Phase and sepa- rated at the analytical column before ...
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Fundamental Studies of the Mechanisms and Applications of Field Induced Droplet Ionization Mass Spectrometry and Electrospray Mass Spectrometry
... iv Abstract This thesis explores the evaporation and Rayleigh discharge dynamics of highly charged micron-sized droplets and explores new methodologies for extracting ions for mass analysis from neutral droplets ...
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Rapid determination of aminoglycosides in pharmaceutical preparations by electrospray ionization mass spectrometry
... on electrospray-ionization mass spectrometry (ESI-MS) was developed for rapid determination of ...The mass spectral peak intensities for these specific product ions were monitored ...
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Improvements in electrospray ionization source design and advances in tandem mass spectrometry
... a mass-to-charge dependence on the efficiency of ion extraction from the collision hexapole and ion flight times to the ICR ...Smaller mass-to-charge ions exert a greater space charge effect on larger ...
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Analysis of Improvised Explosives by Electrospray Ionization - Mass Spectrometry and Microfluidic Techniques
... during mass spectral ...that liquid waste containing urea and nitrates had contaminated the samples being ...the mass spectral data from the seat of the explosion was not sufficient to confirm the ...
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