Articles with "mass defect" as a keyword



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Iodine-Containing Mass-Defect-Tuned Dendrimers for Use as Internal Mass Spectrometry Calibrants

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Published in 2017 at "Journal of The American Society for Mass Spectrometry"

DOI: 10.1007/s13361-017-1849-y

Abstract: AbstractCalibrants based on synthetic dendrimers have been recently proposed as a versatile alternative to peptides and proteins for both MALDI and ESI mass spectrometry calibration. Because of their modular synthetic platform, dendrimer calibrants are particularly… read more here.

Keywords: iodine containing; mass; mass spectrometry; mass defect ... See more keywords
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On the Kendrick Mass Defect Plots of Multiply Charged Polymer Ions: Splits, Misalignments, and How to Correct Them

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Published in 2018 at "Journal of The American Society for Mass Spectrometry"

DOI: 10.1007/s13361-018-1972-4

Abstract: AbstractThe Kendrick mass defect (KMD) analysis of multiply charged polymeric distributions has recently revealed a surprising isotopic split in their KMD plots—namely a 1/z difference between KMDs of isotopes of an oligomer at charge state… read more here.

Keywords: multiply charged; charge; mass; kendrick mass ... See more keywords
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Referenced Kendrick Mass Defect Annotation and Class-Based Filtering of Imaging MS Lipidomics Experiments.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c03715

Abstract: Because of their diverse functionalities in cells, lipids are of primary importance when characterizing molecular profiles of physiological and disease states. Imaging mass spectrometry (IMS) provides the spatial distributions of lipid populations in tissues. Referenced… read more here.

Keywords: mass; based filtering; kendrick mass; annotation ... See more keywords
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High-Resolution Mass Spectrometry and Nontraditional Mass Defect Analysis of Brominated Historical Pigments.

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Published in 2021 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c03815

Abstract: The implementation of high-resolution mass spectrometry systems offers new possibilities for the analysis of complex art samples such as historical oil paintings. However, these multicomponent systems generate large and complex data sets that require advanced… read more here.

Keywords: defect analysis; high resolution; mass; mass defect ... See more keywords
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MS-IDF: A Software Tool for Nontargeted Identification of Endogenous Metabolites after Chemical Isotope Labeling Based on a Narrow Mass Defect Filter.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c04719

Abstract: Chemical isotope labeling liquid chromatography mass spectrometry (LC-MS) is an emerging metabolomic strategy for the quantification and characterization of small molecular compounds in biological samples. However, its subsequent data analysis is not straightforward due to… read more here.

Keywords: mass; mass defect; idf; software tool ... See more keywords
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PFAS-Contaminated Soil Site in Germany: Nontarget Screening before and after Direct TOP Assay by Kendrick Mass Defect and FindPFΔS.

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Published in 2023 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c07969

Abstract: Soil contaminations with per- and polyfluoroalkyl substances (PFAS) are of great concern due to their persistence, leading to continuous, long-term groundwater contamination. A composite sample from contaminated agricultural soil from northwestern Germany (Brilon-Scharfenberg, North Rhine-Westphalia)… read more here.

Keywords: pfas; nontarget screening; kendrick mass; mass defect ... See more keywords
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Novel Ambient Oxidation Trends in Fingerprint Aging Discovered by Kendrick Mass Defect Analysis

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Published in 2022 at "ACS Central Science"

DOI: 10.1021/acscentsci.2c00408

Abstract: A Kendrick mass defect (KMD) plot is an efficient way to disperse complex high-resolution mass spectral data in a visually informative two-dimensional format which allows for the rapid assignment of compound classes that differ by… read more here.

Keywords: fingerprint; analysis; kendrick mass; mass ... See more keywords
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High Precision Mass Balancing Method for the Fourth Harmonic of Mass Defect of Fused Quartz Hemispherical Resonator Based on Ion Beam Etching Process

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Published in 2023 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2022.3212381

Abstract: In this article, a novel ultrahigh precision mass balancing method for fused quartz hemispherical resonator based on the ion beam etching process is proposed from the perspective of vibration mechanics. First, the motion equations of… read more here.

Keywords: mass; ion beam; resonator; vibration ... See more keywords

Mass Defect Filtering-Oriented Identification of Resin Glycosides from Root of Convolvulus scammonia Based on Quadrupole-Orbitrap Mass Spectrometer

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27113638

Abstract: This work aimed to develop and evaluate a post-acquisition data processing strategy, referred to as a mass defect filter (MDF), for rapid target the resin glycosides in root of Convolvulus scammonia by setting mass rang… read more here.

Keywords: glycosides root; root convolvulus; resin glycosides; mass ... See more keywords