A synergetic study that utilized anion photoelectron spectroscopy and high-level ab initio calculations has explored the activation of HO molecules by ThO molecular anions. Both experiment and theory found conclusive evidence for said activation. In the experiments, this appeared as a tell-tale directional shift in the spectral profile of the anionic complex that ruled out physisorption, i.
View Article and Find Full Text PDFObjective: Functional MRI (fMRI) helps with the identification of eloquent cortex to assist with function preservation in patients who undergo epilepsy surgery. Language and memory tasks can even be used effectively in clinically involved pediatric patients. Most pediatric studies report on English speaking-only cohorts from English-dominant countries, yet languages other than English (LOEs) are increasingly prevalent in countries such as the US.
View Article and Find Full Text PDFBackground: We evaluated the inhaled corticosteroid/long-acting muscarinic antagonist/long-acting β-agonist (ICS/LAMA/LABA) triple therapy with budesonide/glycopyrronium/formoterol fumarate dihydrate (BGF) versus dual LAMA/LABA and ICS/LABA therapies in patients with chronic obstructive pulmonary disease (COPD) and phenotypic features of asthma (bronchodilator reversibility and elevated blood eosinophils), but no asthma diagnosis, for whom treatment guidelines are limited.
Patients And Methods: KRONOS (NCT02497001) and ETHOS (NCT02465567) enrolled patients with moderate-to-very-severe COPD, no current asthma diagnosis, and either ≥0 (KRONOS) or ≥1 (ETHOS) moderate/severe exacerbations in the prior year. This pooled post hoc analysis evaluated trough forced expiratory volume in 1 second (FEV) and FEV area under the curve from hours 0 to 4 (AUC) change from baseline over 12-24 weeks, moderate/severe exacerbation rates, and St George's Respiratory Questionnaire (SGRQ) total score over 24 weeks with ICS/LAMA/LABA (BGF 320/14.
Rothera is a British Antarctic Survey research station located on Adelaide Island adjacent, to the Antarctic Peninsula. Diving is vital to support a long-standing marine science programme but poses challenges due to the extreme and remote environment in which it is undertaken. We summarise the diving undertaken and describe the medical measures in place to mitigate the risk to divers.
View Article and Find Full Text PDFChemical weapons, including hyper lethal nerve agents, are a persistently looming threat across the modern geopolitical landscape. There is a pressing need for the design and development of improved protective materials, which can be substantially aided by the cultivation of a fundamental molecular-level understanding of candidate systems and the corresponding decomposition chemistry. The emergence of the exciting new class of single atom catalyst (SAC) materials has enhanced the prospect of subnanoscale design tailoring in the hopes of optimizing activity and selectivity for a variety of chemical applications.
View Article and Find Full Text PDFAnion photoelectron spectra of ThSO- and ThS2- were recorded using the third (355 nm) harmonic of an Nd-YAG laser; these provided the measured vertical detachment energies of each anion. The experiments are supported by extensive coupled cluster calculations on ThSO, ThSO-, ThS2, and ThS2-, as well as the oxygen congeners ThO2 and ThO2-. The ab initio calculations, which included complete basis set extrapolations, spin-orbit effects using four-component coupled cluster, and higher-order correlation contributions through CCSDT(Q), yielded an adiabatic electron affinity for ThO2 that was within 0.
View Article and Find Full Text PDFBackground: Japanese guidelines recommend triple inhaled corticosteroid (ICS)/long-acting muscarinic antagonist (LAMA)/long-acting β-agonist (LABA) therapy in patients with chronic obstructive pulmonary disease (COPD) and no concurrent asthma diagnosis who experience frequent exacerbations and have blood eosinophil (EOS) count ≥ 300 cells/mm, and in patients with COPD and asthma with continuing/worsening symptoms despite receiving dual ICS/LABA therapy. These post-hoc analyses of the KRONOS study in patients with COPD and without an asthma diagnosis, examine the effects of fixed-dose triple therapy with budesonide/glycopyrronium/formoterol fumarate dihydrate (BGF) versus dual therapies on lung function and exacerbations based on blood EOS count - focusing on blood EOS count 100 to < 300 cells/mm - as a function of exacerbation history and COPD severity.
Methods: In KRONOS, patients were randomized to receive treatments that included BGF 320/14.
Rapid Commun Mass Spectrom
October 2024
J Racial Ethn Health Disparities
July 2024
Background: Artificial intelligence (AI) holds exciting potential to revolutionize healthcare delivery in the United States. However, there are concerns about its potential to perpetuate disparities among historically marginalized populations.
Objective: Following the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analyses, we conducted a narrative review of current literature on AI and health disparities in the United States.
J Anim Physiol Anim Nutr (Berl)
November 2024
Eight geldings weighing 544 ± 16 kg were used to evaluate feeding a postexercise protein meal on plasma amino acids during recovery. Horses were fed sweet feed, corn, grass hay and equal amounts of a protein pellet (32% CP) with meals (MP group) or postexercise (EP group). Horses exercised 1-2 h/day, 5 days/week, for 12 weeks.
View Article and Find Full Text PDFLancet Reg Health West Pac
June 2024
Background: Extreme weather events are becoming more frequent and intense under changing climatic conditions. Whilst there is substantial evidence that exposure to a single weather related disaster is detrimental for mental health, few studies have explored how exposure to multiple disasters impacts mental health.
Methods: We utilised 11 waves of data from the Household, Income and Labour Dynamics in Australia (HILDA) Survey, yielding a sample of 16,629 observations from 2003 individuals.
There remains a critical need for new antibiotics against multi-drug-resistant Gram-negative bacteria, a major global threat that continues to impact mortality rates. Lipoprotein signal peptidase II is an essential enzyme in the lipoprotein biosynthetic pathway of Gram-negative bacteria, making it an attractive target for antibacterial drug discovery. Although natural inhibitors of LspA have been identified, such as the cyclic depsipeptide globomycin, poor stability and production difficulties limit their use in a clinical setting.
View Article and Find Full Text PDFBackground: Delirium is frightening for people experiencing it and their carers, and it is the most common hospital-acquired complication worldwide. Delirium is associated with higher rates of morbidity, mortality, residential care home admission, dementia, and carer stress and burden, yet strategies to embed the prevention and management of delirium as part of standard hospital care remain challenging. Carers are well placed to recognize subtle changes indicative of delirium, and partner with nurses in the prevention and management of delirium.
View Article and Find Full Text PDFIt has been widely shown that water microdroplets have a plethora of unique properties that are highly distinct from those of bulk water, among which an especially intriguing one is the strong reducing power as a result of the electrons spontaneously generated at the air-water interface. In this study, we take advantage of the reducing power of water microdroplets to reduce ortho-diiodotetrafluorobenzene (o-CFI) into a CFI radical anion. Photoelectron spectroscopy and density functional theory computations reveal that the excess electron in CFI occupies the I-C1-C2-I linkage, which elongates the C-I bonds but surprisingly shortens the C1-C2 bond, making the bond order higher than a double bond, similar to the benzyne molecule, so we named it "quasi-benzyne".
View Article and Find Full Text PDFThe quality of data in charge detection mass spectrometry depends on accurate determination of ion charge. While the method of selective temporal overview of resonant ions (STORI) has proven to be highly enabling for determining the charge of ions that survive for variable amounts of time, it assumes that the ion frequency exactly matches the frequency being used in the calculation. Any mismatches result in low charge estimates.
View Article and Find Full Text PDFPacific youth are at the forefront of the climate crisis, which has important implications for their health and rights. Youth in Fiji currently bear a disproportionate burden of poor experiences and outcomes related to their sexual and reproductive health and rights (SRHR). There is limited information about how the increasing climate impacts may affect their SRHR, and what the implications may be for climate action and disaster risk reduction.
View Article and Find Full Text PDFJ Am Soc Mass Spectrom
December 2023
Collision cross section (CCS) measurements determined by ion mobility spectrometry (IMS) provide useful information about gas-phase protein structure that is complementary to mass analysis. Methods for determining CCS without a dedicated IMS system have been developed for Fourier transform mass spectrometry (FT-MS) platforms by measuring the signal decay during detection. Individual ion mass spectrometry (IMS) provides charge detection and measures ion lifetimes across the length of an FT-MS detection event.
View Article and Find Full Text PDFUnlabelled: The Countdown is an international research collaboration that independently monitors the evolving impacts of climate change on health, and the emerging health opportunities of climate action. In its eighth iteration, this 2023 report draws on the expertise of 114 scientists and health practitioners from 52 research institutions and UN agencies worldwide to provide its most comprehensive assessment yet. In 2022, the Countdown warned that people’s health is at the mercy of fossil fuels and stressed the transformative opportunity of jointly tackling the concurrent climate change, energy, cost-of-living, and health crises for human health and wellbeing.
View Article and Find Full Text PDFThis investigation explores memory performance using the California Verbal Learning Test in relation to morphometric and connectivity measures of the memory network in severe traumatic brain injury. Twenty-two adolescents with severe traumatic brain injury were recruited for multimodal MRI scanning 1-2 years post-injury at 13 participating sites. Analyses included hippocampal volume derived from anatomical T1-weighted imaging, fornix white matter microstructure from diffusion tensor imaging, and hippocampal resting-state functional magnetic resonance imaging connectivity as well as diffusion-based structural connectivity.
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