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Quanta Magazine2d
Physicists Start To Pin Down How Stars Forge Heavy Atoms
The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses.
SciELO6d
Determination of Cd, Pb, Zn and Cu in Sediment Compartments by Sequential Extraction and Isotope Dilution Inductively Coupled Plasma Mass Spectrometry (ID-ICP-MS) - SciELO - Brasil
The Cd, Cu, Pb and Zn isotope ratios were measured in the scanning mode, with variation of the acquisition time depending on each elemental concentration in the extract. The isotope ratio data were ...
C&EN12d
Metal Oxide-Based Selective Enrichment Combined with Stable Isotope Labeling-Mass Spectrometry Analysis for Profiling of Ribose Conjugates | Analytical Chemistry - ACS Publications
Some modified ribonucleosides in biological fluids have been evaluated as cancer-related metabolites. Detection of endogenous modified ribonucleosides in biological fluids may serve as a noninvasive ...
C&EN24d
Collision-Induced Dissociation of the A + 2 Isotope Ion Facilitates Glucosinolates Structure Elucidation by Electrospray Ionization-Tandem Mass Spectrometry with a Linear ...
An approach is presented that can be of general applicability for structural elucidation of naturally occurring glucosinolates (GLSs) in crude plant extracts based on the fragmentation of isotopic A ...