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The effects of ultra-selective beta1-antagonism on the metabolic and cytokine profile in septic shock patients receiving noradrenaline: a sub-investigation from the STRESS-L Randomised Study.
Intensive Care Med Exp
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Department of Life Sciences, Aberystwyth University, Ceredigion, UK.
Purpose: The landiolol and organ failure in patients with septic shock (STRESS-L study) included a pre-planned sub-study to assess the effect of landiolol treatment on inflammatory and metabolomic markers.
Methods: Samples collected from 91 patients randomised to STRESS-L were profiled for immune and metabolomic markers. A panel of pro- and anti-inflammatory cytokines were measured through commercially acquired multiplex Luminex assays and statistically analysed by individual and cluster-level analysis (patient).
Crystal structure of the anti-CRISPR protein AcrIE7.
Biochem Biophys Res Commun
January 2025
Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China; Department of Pharmacology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, 300070, China. Electronic address:
Bacterial adaptive immunity, driven by CRISPR-Cas systems, protects against foreign nucleic acids from mobile genetic elements (MGEs), like bacteriophages. The type I-E CRISPR-Cas system employs the Cascade (CRISPR-associated complex for antiviral defense) complex for target DNA cleavage, guided by crRNA. Anti-CRISPR (Acr) proteins, such as AcrIE7, counteract this defense by inhibiting Cascade activity.
View Article and Find Full Text PDFMetallic PtC monolayer as a promising hydrogen evolution electrocatalyst.
Phys Chem Chem Phys
January 2025
Department of Optoelectronic Information of Science and Engineering, School of Science, Jiangsu University of Science and Technology, Zhenjiang 212100, China.
Reasonable design of hydrogen evolution reaction (HER) electrocatalysts with low Pt loading and excellent catalytic performance is a key challenge in finding efficient and cost attractive catalysts. Pt with its unique d-electrons provides new opportunities for the development of HER catalysts when it forms compounds with highly earth-abundant C. Herein, we focused on designing highly efficient catalysts composed of Pt and C elements using first-principles structure search simulations, identifying four stability PtC monolayers.
View Article and Find Full Text PDFExploring the Maximum Potential of Initiating Ability in Metal-Free Primary Explosives.
J Am Chem Soc
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Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United States.
Lead azide (LA) is a widely utilized primary explosive, serving as the initiating charge in blasting caps or detonators to start the detonation process of secondary explosives. The toxicity and environmental concerns associated with LA have led to regulatory restrictions and increased scrutiny, prompting the search for lead-free alternatives. LA is highly sensitive toward heat, shock, or friction, which poses safety challenges during manufacturing, handling, and storage.
View Article and Find Full Text PDFDensity functional theory study of hydrogen and oxygen reactions on NiO(100) and Ce doped NiO(100).
J Mol Model
January 2025
State Key Laboratory of Polyolefins and Catalysis, Shanghai, 200062, People's Republic of China.
Context: This study aims to reveal the reaction mechanisms of H and O on the NiO(100) and Ce-doped NiO(100) surfaces using the density functional theory (DFT) combined with the on-site Coulomb correction (DFT + U) method. It was found that H and O react favorably on the reduced surfaces of both materials. However, after the oxygen vacancy is filled, the activation energy for the reaction between H₂ and lattice oxygen increases.
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