Articles with "positive ion" as a keyword



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Identification of carbohydrate peripheral epitopes important for recognition by positive-ion MALDI multistage mass spectrometry.

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Published in 2020 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2019.115528

Abstract: Carbohydrate sequences are important for various biological processes. It has recently been estimated to have 100,000-500,000 carbohydrate structures in mammalian glycome. However, the peripheral carbohydrate determinants on N- and O-glycoproteins, glycolipids, polysaccharides and secreted free… read more here.

Keywords: identification carbohydrate; carbohydrate; ion; positive ion ... See more keywords
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Positive ion chemistry in an N2-CH4 plasma discharge: Key precursors to the growth of Titan tholins

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Published in 2020 at "Icarus"

DOI: 10.1016/j.icarus.2019.113437

Abstract: Titan is unique in the solar system as it hosts a dense atmosphere mainly made of molecular nitrogen N2 and methane CH4. The Cassini-Huygens Mission revealed the presence of an intense atmospheric photochemistry initiated by… read more here.

Keywords: chemistry; ch4; ion; positive ion ... See more keywords
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Chaos in positive ion–negative ion magnetized plasmas

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Published in 2020 at "Journal of Plasma Physics"

DOI: 10.1017/s0022377820001348

Abstract: The dynamical behaviour of weakly nonlinear, low-frequency sound waves are investigated in a plasma composed of only positive and negative ions incorporating the effects of a weak external uniform magnetic field. In the plasma model… read more here.

Keywords: chaos positive; negative ion; ion magnetized; ion negative ... See more keywords
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Utility of Ion-Mobility Spectrometry for Deducing Branching of Multiply Charged Glycans and Glycopeptides in a High-Throughput Positive ion LC-FLR-IMS-MS Workflow.

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Published in 2020 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.0c01954

Abstract: High-throughput glycan analysis has become an important part of biopharmaceutical production and quality control. However, it is still a significant challenge in the field of glycomics to easily deduce isomeric glycan structures, especially in a… read more here.

Keywords: ion mode; flr; ion; positive ion ... See more keywords
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Investigation of the electrochemical oxidation of 2,3′-bisindolylmethanes in positive-ion electrospray ionization mass spectrometry

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Published in 2019 at "RSC Advances"

DOI: 10.1039/c9ra00348g

Abstract: The electrochemical oxidation reactions of 2,3′-bisindolylmethanes were affected by the solvent in the positive-ion electrospray ionization mass spectrometry (ESI-MS). read more here.

Keywords: mass spectrometry; electrochemical oxidation; electrospray ionization; positive ion ... See more keywords
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“CORE” a new assay for rapid identification of Klebsiella pneumoniae COlistin REsistant strains by MALDI-TOF MS in positive-ion mode

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Published in 2023 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2023.1045289

Abstract: Due to the global spread of pan resistant organisms, colistin is actually considered as one of the last resort antibiotics against MDR and XDR bacterial infections. The emergence of colistin resistant strains has been observed… read more here.

Keywords: colistin resistant; pneumoniae; maldi tof; colistin ... See more keywords