LC-Orbitrap-MS/MS Analysis of Chosen Glycation Products in Infant Formulas [PDF]
MoleculesWhen breastfeeding is not possible, infant formulas may be used instead of human milk. However, harmful advanced glycation end-products (AGEs) may be formed during thermal processing of infant formulas.
Aleksandra Damasiewicz-Bodzek +6 more
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Characterization of Antioxidant Constituents and Geographical Differentiation of Polygonum multiflorum Thunb. Leaves Using 2D-LC-ECD and UHPLC-Orbitrap-MS/MS [PDF]
AntioxidantsThis study established an activity-oriented analysis method based on offline two-dimensional liquid chromatography–electrochemical detection (2D-LC-ECD) combined with ultra-high-performance liquid chromatography–Orbitrap-MS/MS (UHPLC-Orbitrap-MS/MS ...
Zhengyan Tan +9 more
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Screening of Phenolic Antioxidant Components in Polygonum perfoliatum L. Using LC×LC-ECD and UPLC-Orbitrap-MS/MS [PDF]
MoleculesPolygonum perfoliatum L. is a medicinal plant rich in phenolic and flavonoid compounds, but severe peak overlap in one-dimensional liquid chromatography (1D-LC) hinders the separation of antioxidants. We developed an offline comprehensive two-dimensional
Wei Pan +9 more
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Metabolomics Benefits From Orbitrap GC–MS—Comparison of Low- and High-Resolution GC–MS
Metabolites, 2020 The development of improved mass spectrometers and supporting computational tools is expected to enable the rapid annotation of whole metabolomes. Essential for the progress is the identification of strengths and weaknesses of novel instrumentation in ...
Daniel Stettin +2 more
exaly +3 more sources
Psoriasis Is Accompanied by Low Serum Levels of MG-H1, GOLD and MOLD: LC-Orbitrap-MS/MS Analysis of Chosen Glycation Products [PDF]
MoleculesGlycation is a type of post-translational protein modification that affects antigen self-recognition, cell signaling, the proteasomal degradation of proteins, protein solubility, and the mechanical properties of tissues.
Aleksandra Damasiewicz-Bodzek +6 more
doaj +2 more sources
Ultra-High-Performance Liquid Chromatography-High Resolution Mass Spectrometry and Gas Chromatography-Mass Spectrometry Screening of Classical Psychoactive Substances, Novel Psychoactive Substances, and Metabolites in Postmortem Urine Samples [PDF]
MoleculesThe use of new psychoactive substances (NPSs) is increasing, and their chemical diversity together with potential postmortem changes demands accurate screening and confirmatory analysis in biological matrices.
Eleazar Vargas-Mena +5 more
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Graph-based understanding of isomeric diversity in complex dissolved organic matter [PDF]
Communications ChemistryCharacterizing the isomeric diversity of molecular formulas (MFs) in dissolved organic matter (DOM) is essential for advancing research across environmental and biomedical sciences.
Tongcun Liu +10 more
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Combined application of online FIGAERO-CIMS and offline LC-Orbitrap mass spectrometry (MS) to characterize the chemical composition of secondary organic aerosol (SOA) in smog chamber studies [PDF]
Atmospheric Measurement Techniques, 2022 A combination of online and offline mass spectrometric techniques was used to characterize the chemical composition of secondary organic aerosol (SOA) generated from the photooxidation of α-pinene in an atmospheric simulation chamber.
M. Du +12 more
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Frontiers in Chemistry, 2021 Among the phencyclidine (PCP) and synthetic cathinone analogs present on the street market, 3-methoxyphencyclidine (3-MeO-PCP) is one of the most popular dissociative hallucinogen drugs, while 3-methylmethcathinone (3-MMC) is a commonly encountered ...
Giampietro Frison +12 more
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Agriculture, 2022 A method for the simultaneous screening of 258 pesticide residues in silage using modified QuEChERS combined with liquid chromatography (LC)- and gas chromatography (GC)- quadrupole-Orbitrap mass spectrometry (Q-Orbitrap/MS) has been developed.
Yujie Xie +7 more
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