To minimize pain when changing dressing for peripheral venous catheters, to select the adequate dressing in functions of the circumstances presented by each patient, and to utilize as references the recommendations by Centers for Disease Control and Prevention (CDCs) form the fundamental bases for this article.
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[Analysis of a Chinese pedigree with hereditary spherocytosis caused by intron variation of SPTB gene].
Zhonghua Er Ke Za Zhi
March 2025
Department of Pediatrics, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
To analyze a novel intronic variant in the SPTB gene and explore its effect on SPTB mRNA splicing. Clinical data of a child diagnosed with hereditary spherocytosis (HS) and admitted to the First Affiliated Hospital of Xi'an Jiaotong University in February 2022 were analyzed retrospectively. Whole genome sequencing was used to identify disease-causing mutations and the results were validated with Sanger sequencing, mRNA sequencing was used to determine the SPTB gene's mRNA expression level, and bioinformatics tools were used for splicing site prediction and analysis.
View Article and Find Full Text PDFIdentifying Spatially Segregated Ir Sites within ZSM-5 for Enhanced Redox Cycle in NOx Reduction by CO.
Angew Chem Int Ed Engl
March 2025
Institute of Process Engineering Chinese Academy of Sciences, CAS Key Laboratory of Green Process and Engineering, CHINA.
Developing high-performance Ir-based catalysts for selective catalytic reduction of NOx by CO(CO-SCR) under low temperatures remains challenging. This study presents an Ir-based catalyst encapsulated in ZSM-5 (Ir@ZSM-5), with Ir species partially confined in micropores (Irδ+) and partially aggregated on the surface (Ir0), achieving ~88% NOx conversion at 230 °C in the presence of 5% O2 and 100 ppm SO2. The confined Irδ+ species exhibit enhanced stability and oxidized states, while surface-aggregated Ir0 species, with weaker oxygen coordination, remain in a metallic state.
View Article and Find Full Text PDFZ-Selective Alkyne Semireduction by an Organic Photoreductant.
Angew Chem Int Ed Engl
March 2025
Ruhr-Universität Bochum: Ruhr-Universitat Bochum, Chemie und Biochemie, GERMANY.
The semireduction of alkynes is an indispensable transformation for the synthesis of Z-alkenes. Although extensive studies with mostly transition metal-based catalysts have enabled it to produce a broad scope of alkenes, a Scifinder search and a robustness screen of Lindlar's catalyst indicate that highly Lewis-basic nitrogen and sulfur-containing motifs, which are prevalent in drugs, remain problematic. Herein, we report an alkyne semi-reduction using an organic photoreductant that tolerates all 10 of the most common Lewis-basic motifs in drugs.
View Article and Find Full Text PDFDirected Evolution of Fluorescent Genetically Encoded Biosensors: Innovative Approaches for Development and Optimization of Biosensors.
Chembiochem
March 2025
Sirius university of Science and Technology, Research Center for Translational Medicine, Olympic Ave., 1, 354340, Sochi, RUSSIAN FEDERATION.
Fluorescent protein-based biosensors are indispensable molecular tools in cell biology and biomedical research, providing non-invasive dynamic measurements of metabolite concentrations and other cellular signals. Traditional methods for developing these biosensors rely on rational design, but directed evolution methods offer a more efficient alternative. This review discusses recent advancements in the development of biosensors using directed evolution, including methods for optimizing domain fusions, sequence optimization, and new screening and selection systems.
View Article and Find Full Text PDFA Titanium Silicalite-1 (TS-1) Catalyst with Abundant Active Ti-VI Species for Efficient Conversion of Ethylene to Glycol.
Angew Chem Int Ed Engl
March 2025
Dalian University of Technology, State Key Leb of Fine Chemicals, No 2 Linggong Road, Gaoxin District, 116024, Dalian, CHINA.
One-pot synthesis of glycol from ethylene and H2O2 is simple and environmentally friendly, making it a potential alternative for glycol production. The key to the success of this is to have a bifunctional catalyst with both oxidative activity for ethylene in the presence of H2O2 and acidic centers for the subsequent hydration of ethylene oxide. Here, we propose a dual-chemical post-treatment regime to introduce acid centers in TS-1 while simultaneously improve the oxidative activity.
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