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Complete Breakup of Liquids into Ultrafine Droplets by Grid Turbulence.
Nano Lett
January 2025
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China.
Ultrafine droplets are crucial in materials processing and nanotechnology, with applications in nanoparticle preparation, water evaporation, nanodrug delivery, nanocoating, among numerous others. While the potential of turbulent gas flow to enhance liquid breakup is acknowledged, constructing turbulence-driven atomizers for ultrafine droplets remains challenging. Herein, we report the innovation of grid-turbulence atomization (GTA), which employs a rotating mesh to deliver liquid and an air knife to spray ultrafine droplets.
View Article and Find Full Text PDFExtensive Arterial Dissection: A Rare Multivascular Emergency.
Cureus
December 2024
Internal Medicine, Hospital de Braga, Braga, PRT.
Aortic dissection is a life-threatening vascular emergency associated with high morbidity and mortality. Clinical manifestations might include severe chest pain to neurological deficits, depending on the arterial segments involved. Extensive dissections involving multiple aortic segments and branch vessel occlusions, such as the carotid arteries, are rare and pose unique diagnostic and therapeutic challenges.
View Article and Find Full Text PDFAssessment of genetic conservation units of an endangered glacial relict insular species, , based on fine-scale genetic structures of multiple fragmented mountainous populations in Taiwan.
Front Plant Sci
January 2025
Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan.
Insular species are usually endemic and prone to long-term population reduction, low genetic diversity, and inbreeding depression, which results in difficulties in species conservation. The situation is even more challenging for the glacial relict species whose habitats are usually fragmented in the mountainous regions. is an endangered and endemic relict tree species in Taiwan.
View Article and Find Full Text PDFHO Triggering Electron-Directed Transfer of Emerging Contaminants over Asymmetric Nano Zinc Oxide Surfaces for Water Self-Purification Expansion.
JACS Au
January 2025
Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou 510006, China.
Slow mass transfer processes between inert emerging contaminants (ECs) and dissolved oxygen (DO) limit natural water self-purification; thus, excessive energy consumption is necessary to achieve ECs removal, which has become a longstanding global challenge. Here, we propose an innovative water self-purification expansion strategy by constructing asymmetric surfaces that could modulate trace HO as trigger rather than oxidant to bridge a channel between inert ECs and natural dissolved oxygen, achieved through a dual-reaction-center (DRC) catalyst consisting of Cu/Co lattice-substituted ZnO nanorods (CCZO-NRs). During water purification, the bond lengths of emerging contaminants (ECs) adsorbed on the asymmetric surface were stretched, and this stretching was further enhanced by HO mediation, resulting in a significant reduction of bond-breaking energy barriers.
View Article and Find Full Text PDFBiocatalytic Strategies for Nitration Reactions.
JACS Au
January 2025
Key Laboratory of Photoelectric Conversion and Utilization of Solar Energy, Qingdao New Energy Shandong Laboratory, CAS Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China.
Nitro compounds are key synthetic intermediates used as enabling tools in synthesis and found in a large range of essential compounds, including pharmaceuticals, pesticides, and various organic dyes. Despite recent methodological developments, the industrial preparation of nitro compounds still suffers from harsh reaction conditions, along with poor selectivity and a problematic environmental footprint. Although biological enzymatic methods exist, mild approaches for bionitration are still underexplored.
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