ESI outcompetes other ion sources in LC/MS trace analysis
Sign Up to like & getrecommendations! Published in 2019 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-019-01832-z
Abstract: AbstractChoosing an appropriate ion source is a crucial step in liquid chromatography mass spectrometry (LC/MS) method development. In this paper, we compare four ion sources for LC/MS analysis of 40 pesticides in tomato and garlic… read more here.
Keywords: analysis; source; ion sources; esi source ... See more keywords
Respective Contribution of Ictal and Inter-ictal Electrical Source Imaging to Epileptogenic Zone Localization
Sign Up to like & getrecommendations! Published in 2020 at "Brain Topography"
DOI: 10.1007/s10548-020-00768-3
Abstract: Interictal electrical source imaging (ESI) encompasses a risk of false localization due to complex relationships between irritative and epileptogenic networks. This study aimed to compare the localizing value of ESI derived from ictal and inter-ictal… read more here.
Keywords: inter ictal; ictal esi; ictal inter; esi ... See more keywords
P235 Localizing non-epileptic abnormal brain function in children using high density EEG (HDEEG): Electric source imaging (ESI) of focal slowing
Sign Up to like & getrecommendations! Published in 2017 at "Clinical Neurophysiology"
DOI: 10.1016/j.clinph.2017.07.243
Abstract: Objectives Interictal focal slowing is an important EEG index of brain activity dysfunction, possibly representing an additional tool for presurgical evaluation in pediatric epilepsy. Here, we investigate the accuracy of electric source imaging (ESI) applied… read more here.
Keywords: electric source; source imaging; focal slowing; brain ... See more keywords
Stability in clinical use and stress testing of meropenem antibiotic by direct infusion ESI-Q-TOF: Quantitative method and identification of degradation products.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of pharmaceutical and biomedical analysis"
DOI: 10.1016/j.jpba.2019.112973
Abstract: An ESI-MS/MS method through direct infusion was validated for quantitative analysis of meropenem powder for injection. The validation parameters were established in a rapid analysis of 30 s. Drug stability was studied through the submission to… read more here.
Keywords: degradation; degradation products; direct infusion; stability ... See more keywords
Field-scale mapping of evaporative stress indicators of crop yield: An application over Mead, NE, USA
Sign Up to like & getrecommendations! Published in 2018 at "Remote Sensing of Environment"
DOI: 10.1016/j.rse.2018.02.020
Abstract: Abstract The Evaporative Stress Index (ESI) quantifies temporal anomalies in a normalized evapotranspiration (ET) metric describing the ratio of actual-to-reference ET (fRET) as derived from satellite remote sensing. At regional scales (3–10 km pixel resolution), the… read more here.
Keywords: field; stress; yield; crop ... See more keywords
Single dose epidural methylprednisolone as a treatment and predictor of outcome following subsequent decompressive surgery in degenerative lumbosacral stenosis with foraminal stenosis.
Sign Up to like & getrecommendations! Published in 2020 at "Veterinary journal"
DOI: 10.1016/j.tvjl.2020.105451
Abstract: Alternative treatments to surgery in canine degenerative lumbosacral stenosis (DLSS) remain limited and reliable predictors of outcome are lacking. The aims of this clinical trial were threefold: to assess the usefulness of single epidural steroid… read more here.
Keywords: degenerative lumbosacral; surgery; outcome; decompressive surgery ... See more keywords
Ultrahigh-Throughput ESI-MS: Sampling pushed to six Samples per Second by Acoustic Ejection Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.0c01632
Abstract: We present an acoustic ejection mass spectrometry (AEMS) setup for contactless ESI-MS based sample injection at sampling rate faster than current ESI and MALDI techniques. For the direct transfer of samples out of 384-well plates… read more here.
Keywords: mass spectrometry; throughput; acoustic ejection; esi ... See more keywords
Ionization of Gas-Phase Polycyclic Aromatic Hydrocarbons in Electrospray Ionization Coupled with Gas Chromatography.
Sign Up to like & getrecommendations! Published in 2018 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.8b00401
Abstract: Herein, gas-phase polycyclic aromatic hydrocarbons (PAHs) as nonpolar compounds were ionized to protonated molecular ions [M + H]+ without radical cations and simultaneously analyzed using gas chromatography (GC)/electrospray ionization (ESI)-tandem mass spectrometry (MS/MS). The ionization… read more here.
Keywords: chromatography; phase; gas; ionization ... See more keywords
Kinetic, ESI-CID-MS and Computational Studies of π-Allyliridium C,O-Benzoate-Catalyzed Allylic Amination: Understanding the Effect of Cesium Ion.
Sign Up to like & getrecommendations! Published in 2022 at "ACS catalysis"
DOI: 10.1021/acscatal.2c00470
Abstract: The mechanism of π-allyliridium C,O-benzoate-catalyzed allylic amination was studied by (a) reaction progress kinetic analysis (RPKA), (b) tandem ESI-MS analysis, and (c) computational studies involving density functional theory (DFT) calculations. Reaction progress kinetic analysis (RPKA)… read more here.
Keywords: catalyzed allylic; allyliridium benzoate; cesium; allylic amination ... See more keywords
Quantifying Biomolecular Interactions Using Slow Mixing Mode (SLOMO) Nanoflow ESI-MS
Sign Up to like & getrecommendations! Published in 2022 at "ACS Central Science"
DOI: 10.1021/acscentsci.2c00215
Abstract: Electrospray ionization mass spectrometry (ESI-MS) is a powerful label-free assay for detecting noncovalent biomolecular complexes in vitro and is increasingly used to quantify binding thermochemistry. A common assumption made in ESI-MS affinity measurements is that… read more here.
Keywords: nanoflow esi; slow mixing; mixing mode; slomo ... See more keywords
Regarding the Influence of Additives and Additional Plasma-Induced Chemical Ionization on Adduct Formation in ESI/IMS/MS
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Society for Mass Spectrometry"
DOI: 10.1021/jasms.2c00348
Abstract: Ion mobility spectrometers (IMS) separate ions based on their ion mobility, which depends mainly on collision cross-section, mass, and charge of the ions. However, the performance is often hampered in electrospray ionization (ESI) by the… read more here.
Keywords: ionization; mobility; ion mobility; mobility peaks ... See more keywords