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One-Step Realization of Skeleton Editing, -Dinitromethyl Functionalization, and Zwitterionization in a Laser-Sensitive 1,3,4-Oxadiazole Energetic Molecule.
Org Lett
January 2025
School of Astronautics, Northwestern Polytechnical University, Xi'an, Shaanxi 710065, China.
The single-atom skeletal editing technology is an efficient method for constructing molecular skeletons, which has broad coverage in synthetic chemistry. However, its potential in the preparation of energetic heterocyclic molecules is grossly underexplored. In this work, an unexpected one-step reaction for the synthesis of novel energetic molecules was discovered which combines single-atom skeletal editing, -dinitromethyl functionalization, and zwitterionization in one step.
View Article and Find Full Text PDFMost thoracic aortic aneurysms (TAAs) are asymptomatic and often diagnosed at the time of rupture. TAAs involving the proximal arch require adequate coverage with thoracic endovascular aortic repair, which is timely and challenging in emergent ruptures. In situ laser fenestration is a novel method of arch revascularization.
View Article and Find Full Text PDFGold nanorod-based engineered nanogels for cascade-amplifying photothermo-enzymatic synergistic therapy.
J Pharm Anal
December 2024
School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, China.
Reactive oxygen species (ROS)-mediated anticancer modalities, which disturb the redox balance of cancer cells through multi-pathway simulations, hold great promise for effective cancer management. Among these, cooperative physical and biochemical activation strategies have attracted increasing attention because of their spatiotemporal controllability, low toxicity, and high therapeutic efficacy. Herein, we demonstrate a nanogel complex as a multilevel ROS-producing system by integrating chloroperoxidase (CPO) into gold nanorod (AuNR)-based nanogels (ANGs) for cascade-amplifying photothermal-enzymatic synergistic tumor therapy.
View Article and Find Full Text PDFQuantification of modal mineralogy in molybdenite-bearing drill-core samples by laser-induced breakdown spectroscopy.
Heliyon
January 2025
Laboratorio de Trazas elementales y Especiación, Departamento de Química Analítica e Inorgánica, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción, Chile.
Quantification of modal mineralogy in drill-core samples is crucial for understanding the geology and metal deportment in a mining operation. This study assesses conventional procedures to quantify modal mineralogy, that includes an initial drill-core logging, followed by petrographic descriptions and SEM-based automated mineralogy analyses performed in selected regions of interest, against a novel approach using laser-induced breakdown spectroscopy (LIBS). Our proposed methodology aims to quantify the modal mineralogy directly in a drill-core sample, avoiding previous stages of selection and preparation of samples.
View Article and Find Full Text PDFOpportunities and challenges of lead-free metal halide perovskites for luminescence.
Chem Sci
October 2024
Key Laboratory of Optoelectronic Technology and Systems (Ministry of Education), Chongqing University Chongqing 400044 China
Metal halide perovskites (MHPs) have been developed rapidly for application in light-emitting diodes (LEDs), lasers, solar cells, photodetectors and other fields in recent years due to their excellent photoelectronic properties, and they have attracted the attention of many researchers. Perovskite LEDs (PeLEDs) show great promise for next-generation lighting and display technologies, and the external quantum efficiency (EQE) values of polycrystalline thin-film PeLEDs exceed 20%, which is undoubtedly a big breakthrough in lighting and display fields. However, the toxicity and instabilities of lead-based MHPs remain major obstacles limiting their further commercial applications.
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