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Respiratory physiological changes post initiation of neurally adjusted ventilatory assist in preterm infants with evolving or established bronchopulmonary dysplasia.
Eur J Pediatr
January 2025
Neonatal Intensive Care Centre, St George's University Hospitals NHS Foundation Trust, London, SW17 0QT, UK.
To assess respiratory changes after neurally adjusted ventilatory assist (NAVA) initiation in preterm infants with evolving or established bronchopulmonary dysplasia (BPD). Premature infants born less than 32 weeks gestation with evolving or established BPD initiated on invasive or non-invasive (NIV) NAVA were included. Respiratory data: PCO and SpO₂/FiO₂ (S/F) ratio before and at 4, 24, 48 h post-NAVA initiation were collected.
View Article and Find Full Text PDFMelamine-Copolymerization Strategy Engineered Fluorinated Polyimides for Membrane-Based Sour Natural Gas Separation.
Adv Sci (Weinh)
January 2025
Aramco Americas, Boston Research Center, Cambridge, MA, 02139, USA.
Membrane-based gas separation provides an energy-efficient approach for the simultaneous CO and HS removal from sour natural gas. The fluorinated polyimide (PI) membranes exhibited a promising balance between permeability and permselectivity for sour natural gas separation. To further improve the separation efficiency of fluorinated PI membranes, a melamine-copolymerization synthetic approach is devised that aims to incorporate melamine motifs with high sour gas affinity into the structure of the PI membranes.
View Article and Find Full Text PDFThe Role of Surfactant in Electrocatalytic Carbon Dioxide Reduction in the Absence of Metal Cations.
ACS Electrochem
January 2025
Stephenson Institute for Renewable Energy (SIRE) and the Department of Chemistry, University of Liverpool, Liverpool L69 7ZF, United Kingdom.
Carbon dioxide electroreduction does not occur on Au when metal cations are absent from the electrode surfaces. Here we show that the electroreduction can be enabled without metal cations, albeit with low efficiency, by the presence of cationic surfactants on Au. The findings demonstrate that in addition to possibly stabilizing CO reduction intermediates the presence of surfactants plays a role in suppressing the competing reactions.
View Article and Find Full Text PDFGel immersion in endoscopy: Exploring potential applications.
World J Gastroenterol
January 2025
Department of Internal Medicine, Asahikawa Medical University, Asahikawa 078-8510, Hokkaido, Japan.
The challenge of effectively eliminating air during gastrointestinal endoscopy using ultrasound techniques is apparent. This difficulty arises from the intricacies of removing concealed air within the folds of the gastrointestinal tract, resulting in artifacts and compromised visualization. In addition, the overlap of folds with lesions can obscure their depth and size, presenting challenges for an accurate assessment.
View Article and Find Full Text PDFEvaluating the impact of 3-nitrooxypropanol supplementation on enteric methane emissions in pregnant nonlactating dairy cows offered grass silage.
JDS Commun
January 2025
Teagasc, Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork, Ireland, P61 P302.
Although 3-nitrooxypropanol (3-NOP; Bovaer10) has been proven to reduce enteric methane (CH) by ∼30% in indoor systems of dairying when the additive is mixed throughout TMR and partial mixed ration (PMR) diets, there has been limited research to date on the CH abatement potential of 3-NOP when mixed within a diet based on perennial ryegrass silage only and fed to pregnant nonlactating dairy cows. To investigate the effect of 3-NOP supplementation on enteric CH emissions of pregnant nonlactating dairy cows, a 6-wk study was undertaken in which treatment cows were supplemented with 3-NOP mixed within grass silage, whereas control cows were offered grass silage without additive supplementation. Enteric CH, hydrogen (H), and carbon dioxide (CO) were measured using a GreenFeed machine.
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