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Schematic diagram of the combined ECD FTICRMS and IRMPD experimental setup. Electron-capture dissociation (ECD) is a method of fragmenting gas-phase ions for structure elucidation of peptides and proteins in tandem mass spectrometry. It is one of the most widely used techniques for activation and dissociation of mass selected precursor ion in ...
An ECD has a limited [clarification needed] dynamic range and finds its greatest application in analysis of halogenated compounds. [9] The detection limit for electron capture detectors is 5 femtograms per second (fg/s) and the detector commonly exhibits a 10,000-fold linear range.
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The USA and Canada (both 2-0-1-0) lead Group A with seven points. Those teams play on New Year's Eve in the final game of the round robin in a game that will determine the group's top seed.
A woman in Kentucky surprised her Navy husband with a special military homecoming by gifting him a five-day duck hunting trip in Kansas with his best friends ahead of Christmas.
2. Close the CD. If you need the money for an upcoming expense or to build an emergency fund, cashing out your CD is another option. You can withdraw your initial deposit plus any earned interest ...
The first and most important step in sample preparation for mass spectrometry is determining what phase the sample needs to be in. Different ionization methods require different sample phases. Solid phase samples can be ionized through methods such as field desorption, plasma-desorption, fast atom bombardment, and secondary-ion ionization.
Black plastic kitchen utensils. A December 2024 study in the journal Chemosphere incorrectly calculated the amount of potentially toxic flame retardants that could be present in some black plastic ...