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Steering acidic oxygen reduction selectivity of single-atom catalysts through the second sphere effect.
Nat Commun
December 2024
Center of Artificial Photosynthesis for Solar Fuels and Department of Chemistry, School of Science, Westlake University, Hangzhou, China.
Natural enzymes feature distinctive second spheres near their active sites, leading to exquisite catalytic reactivity. However, incumbent synthetic strategies offer limited versatility in functionalizing the second spheres of heterogeneous catalysts. Here, we prepare an enzyme-mimetic single Co-N atom catalyst with an elaborately configured pendant amine group in the second sphere via 1,3-dipolar cycloaddition, which switches the oxygen reduction reaction selectivity from the 4e to the 2e pathway under acidic conditions.
View Article and Find Full Text PDFEnhancing gene transfer to renal tubules and podocytes by context-dependent selection of AAV capsids.
Nat Commun
December 2024
Department of Molecular and Medical Genetics, Oregon Health & Science University School of Medicine, Portland, OR, USA.
AAV vectors show promise for gene therapy; however, kidney gene transfer remains challenging. Here we conduct a barcode-seq-based comparison of 47 AAV capsids administered through different routes in mice, followed by individual validation. We find that local delivery of AAV-KP1, but not AAV9, via the renal vein or pelvis effectively transduces proximal tubules with minimal off-target liver transduction, while systemic AAV9, but not AAV-KP1, enhances proximal tubule and podocyte transduction in chronic kidney disease.
View Article and Find Full Text PDFElucidating Thermodynamically Driven Structure-Property Relations for Zeolite Adsorption Using Neural Networks.
JACS Au
December 2024
Department of Chemical and Biomolecular Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States.
Understanding the origin and effect of the confinement of molecules and transition states within the micropores of a zeolite can enable targeted design of such materials for catalysis, gas storage, and membrane-based separations. Linear correlations of the thermodynamic parameters of molecular adsorption in zeolites have been proposed; however, their generalizability across diverse molecular classes and zeolite structures has not been established. Here, using molecular simulations of >3500 combinations of adsorbates and zeolites, we show that linear trends hold in many cases; however, they collapse for highly confined systems.
View Article and Find Full Text PDFN6-methyladenosine-modified long non-coding RNA promotes stemness and sorafenib resistance in hepatocellular carcinoma by upregulating SHOX2 expression.
World J Gastroenterol
December 2024
Department of Gastroenterology and Hepatology, The First Medical Center, Chinese People's Liberation Army General Hospital, Beijing 100853, China.
Background: Hepatocellular carcinoma (HCC) is a prevalent and aggressive tumor. Sorafenib is the first-line treatment for patients with advanced HCC, but resistance to sorafenib has become a significant challenge in this therapy. Cancer stem cells play a crucial role in sorafenib resistance in HCC.
View Article and Find Full Text PDFHow Latine youth's positive development unfold through farmwork in rural migrant farmworker families in the U.S. Midwest.
J Res Adolesc
March 2025
Department of Public Health, Purdue University, West Lafayette, Indiana, USA.
Some Latine youth from rural migrant farmworker communities engage in farmwork to help support themselves and their families. Although research has documented their motives for working and some characteristics of their employment, knowledge about how these youth construct their work in the fields and how such experiences relate to their positive development is needed to depict their holistic experiences. Using mixed methods, we explored youth's farmwork experiences and examined how these experiences relate to youth's prosocial behaviors, civic responsibility, and ego-resiliency.
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