Results 191 to 200 of about 105,946 (257)

Examining functional group-dependent effects on the ionization of lignin monomers using supercritical fluid chromatography/electrospray ionization mass spectrometry. [PDF]

Anal Bioanal Chem
Prothmann J, Molins-Delgado D, Braune A, Sandahl M, Turner C, Spégel P.   +5 more
europepmc   +1 more source

Charge State Influence on Stability and Isomerism in Dehydrogenated PAHs: Insights from Anthracene, Acridine, and Phenazine

ChemPhysChem, Volume 26, Issue 6, March 15, 2025.
The ionization of anthracene, acridine, and phenazine has been explored, along with the removal of one and two hydrogen atoms, to provide valuable information for astrochemists and to understand the behavior of the resulting structures and their electronic reorganization. Abstract In this study, we systematically explored the stability and isomerism of
Khaldia Zghida, Farouk Hamza Reguig, Manuel Alcamí, Al Mokhtar Lamsabhi   +3 more
wiley   +1 more source

Improved Detection of Tryptic Peptides from Tissue Sections Using Desorption Electrospray Ionization Mass Spectrometry Imaging. [PDF]

J Am Soc Mass Spectrom
Bottomley H, Phillips J, Hart P.
europepmc   +1 more source

Phase I Metabolism of Novel Phencyclidine Derivative 3‐Cl‐PCP: In Vitro Studies With Pooled Human Liver Microsomes and Investigation of a Post‐Mortem Case

Drug Testing and Analysis, EarlyView.
A fatal 3‐chloro‐phencyclidine (3‐Cl‐PCP) intoxication was investigated by analyzing postmortem samples and a pooled human liver microsomes assay. Tentative metabolite identification was performed by liquid chromatography‐quadrupole time‐of‐flight mass spectrometry (LC‐QTOF‐MS). Seven phase I metabolites were identified.
Johannes Kutzler, Tobias Veit, Thomas Keller, Volker Auwärter   +3 more
wiley   +1 more source

[Comprehensive analytical chemistry experiment： analysis of non-covalent interactions between double-stranded deoxyribonucleic acid and a natural drug by electrospray ionization mass spectrometry]. [PDF]

Se Pu
Ma L, Wang YH, Yuan YL, Wang SS.
europepmc   +1 more source

Evaluation of Oil-Absorbing Film for Imprint Desorption Electrospray Ionization Mass Spectrometry Imaging (IDESI-MSI) on Biological Samples. [PDF]

Metabolites
Li J, Wei R, Meng Y, Zare RN.
europepmc   +1 more source

Uncovering Distinct Peptide Charging Behaviors in Electrospray Ionization Mass Spectrometry Using a Large-Scale Dataset. [PDF]

J Am Soc Mass Spectrom
Xu AM, Tang LC, Jovanovic M, Regev O.
europepmc   +1 more source

Moderate Signal Enhancement in Electrospray Ionization Mass Spectrometry by Focusing Electrospray Plume with a Dielectric Layer around the Mass Spectrometer's Orifice. [PDF]

Molecules
Chua ZQ, Prabhu GRD, Wang YW, Raju CM, Buchowiecki K, Ochirov O, Elpa DP, Urban PL.   +7 more
europepmc   +1 more source

Slot Blot- and Electrospray Ionization-Mass Spectrometry/Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry-Based Novel Analysis Methods for the Identification and Quantification of Advanced Glycation End-Products in the Urine. [PDF]

Int J Mol Sci
Takata T, Inoue S, Kunii K, Masauji T, Miyazawa K.   +4 more
europepmc   +1 more source

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Electrospray Ionization Mass Spectrometry of Oligonucleotides

Current Protocols in Nucleic Acid Chemistry, 2008
AbstractBecause of the high molecular weights and thermal lability of biomolecules such as nucleic acids and protein, they can be difficult to analyze by mass spectrometry. Such analyses require a “soft” ionization method that is capable of generating intact molecular ions.
Colette M, Castleberry, Lenore P, Rodicio, Patrick A, Limbach   +2 more
openaire   +2 more sources