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Copper Tantalate by a Sodium-Driven Flux-Mediated Synthesis for Photoelectrochemical CO Reduction.
Small Methods
January 2025
Liquid Sunlight Alliance, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA, 94720, United States.
Copper-tantalate, CuTaO (CTO), shows significant promise as an efficient photocathode for multi-carbon compounds (C) production through photoelectrochemical (PEC) CO reduction, owing to its suitable energy bands and catalytic surface. However, synthesizing CTO poses a significant challenge due to its metastable nature and thermal instability. In this study, this challenge is addressed by employing a flux-mediated synthesis technique using a sodium-based flux to create sodium-doped CTO (Na-CTO) thin films, providing enhanced nucleation and stabilization for the CTO phase.
View Article and Find Full Text PDFCyclodehydrogenation of molecular nanographene precursors catalyzed by atomic hydrogen.
Nat Commun
January 2025
Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, PL 30-348, Krakow, Poland.
Atomically precise synthesis of graphene nanostructures on semiconductors and insulators has been a formidable challenge. In particular, the metallic substrates needed to catalyze cyclodehydrogenative planarization reactions limit subsequent applications that exploit the electronic and/or magnetic structure of graphene derivatives. Here, we introduce a protocol in which an on-surface reaction is initiated and carried out regardless of the substrate type.
View Article and Find Full Text PDFDiscovering potential ERK1 inhibitors from natural products for therapeutic targeting of Alzheimer's disease.
J Alzheimers Dis
January 2025
Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India.
Background: Extracellular signal-regulated kinase 1 (ERK1) belongs to mitogen-activated protein kinases, which are essential for memory formation, cognitive function, and synaptic plasticity. During Alzheimer's disease (AD), ERK1 phosphorylates tau at 15 phosphorylation sites, leading to the formation of neurofibrillary tangles. The overactivation of ERK1 in microglia promotes the release of pro-inflammatory cytokines, which results in neuroinflammation.
View Article and Find Full Text PDFDesign and theoretical calculation of chitosan derivatives: Amphiphilic chitosan micelles loaded with Chinese fir essential oil.
Int J Biol Macromol
January 2025
Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Guangxi Minzu University, Nanning 530006, Guangxi, China.
The unique structure of chitosan-based micelles can be loaded with essential oil, so it is significant to study the modification of chitosan and the interactions between chitosan and essential oil, while molecular dynamics (MD) simulation and density functional theory (DFT) provide a solution. In this study, three kinds of amphiphilic chitosan derivatives (CSDs) were constructed by grafting of different hydrophilic and hydrophobic groups. Amphiphilic chitosan micelles loaded with Chinese fir essential oil (CFEO) were prepared by self-assembly.
View Article and Find Full Text PDFAquaporin-5 facilitates liver regeneration following hepatectomy via ROS/GSDMD pathway.
Cell Signal
January 2025
Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Medical Group), No. 127th, South Siliu Road, Qingdao, Shandong 266042, China. Electronic address:
During the proliferative phase of liver regeneration, insufficient regulation of hepatocyte hydrogen peroxide (HO) overproduction can result in oxidative stress and hepatocyte death. This study aims to investigate the influence of Aquaporin 5 (Aqp5) on liver regeneration by evaluating its role in reactive oxygen species (ROS) generation and NLRP3-GSDMD-mediated pyroptosis. A 70 % partial hepatectomy (PHx) model was established in Aqp5 mice to evaluate the pathological changes in the liver.
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