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Electrospray ionization (ESI) is a technique used in mass spectrometry to produce ions using an electrospray in which a high voltage is applied to a liquid to create an aerosol. It is especially useful in producing ions from macromolecules because it overcomes the propensity of these molecules to fragment when ionized.
The Emergency Severity Index (ESI) is a five-level emergency department triage algorithm, initially developed in 1998 by emergency physicians Richard Wurez and David Eitel. [1] It was previously maintained by the Agency for Healthcare Research and Quality (AHRQ) but is currently maintained by the Emergency Nurses Association (ENA).
Pseudouridine (5-ribosyluracil, abbreviated by the Greek letter psi- Ψ) [1] is an isomer of the nucleoside uridine in which the uracil is attached via a carbon-carbon instead of a nitrogen-carbon glycosidic bond.
Probe electrospray ionization is an ambient ionization mass spectrometry technique developed by Kenzo Hiraoka et al. at the University of Yamanashi, Japan. [4] The technique was developed to address some of the issues associated with traditional electrospray ionization (ESI), including clogging of the capillary and contamination, whilst providing a means of rapid and direct sample analysis.
N1-Methylpseudouridine is the methylated derivative of pseudouridine.It is used in in vitro transcription and for the production of RNA vaccines. [3] [4] In vertebrates, it stimulates significantly less activation of the innate immune response compared to uridine, [5] while the translation is stronger.
Epidural steroid injection (ESI) is a technique in which corticosteroids and a local anesthetic are injected into the epidural space around the spinal cord in an effort to improve spinal stenosis, spinal disc herniation, or both. It is of benefit with a rare rate of major side effects.
Pseudo-dihydroorotase Regulating folding or complex assembly of conventional enzyme Pseudomonas pDHO is required for either folding of the aspartate transcarbamoylase catalytic subunit, or its assembly into an active oligomer
Electro Scientific Industries, Inc. (ESI) is an American high technology company headquartered in the Portland, Oregon, metropolitan area, specifically in Beaverton, Oregon, since 2021, but from 1963–2021, it was based in the unincorporated Cedar Mill area just north of Beaverton.