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Hydrogen Bond-Driven Hierarchical Assembly of Single-Walled Carbon Nanotubes for Ultrahigh Textile Capacity.
ACS Nano
January 2025
Nano Hybrid Technology Research Center, Korea Electrotechnology Research Institute (KERI), Changwon 51543, Republic of Korea.
Hydrogen-bond-driven 1D assembly of carbon nanotubes dispersed in organic solvents remains challenging owing to difficulties associated with achieving high oxidation levels and uniform dispersion. Here, we introduced a bioinspired wet-spinning method that utilizes highly oxidized single-walled carbon nanotubes dispersed in organic solvents without superacid or dispersants. By incorporating submicrometer-sized graphene oxide nanosheets, we facilitated the ejection of 1.
View Article and Find Full Text PDFPro-angiogenic VEGF inhibition by cadaverine and hydrocinnamic acid metabolites: impairment of periodontal regeneration due to periodontal inflammation.
Minerva Dent Oral Sci
January 2025
Department of Biomedical Sciences, Dentistry and Morphological and Functional Imaging, University of Messina, Messina, Italy.
Background: Cadaverine and hydrocinnamic acid are frequent metabolites in inflamed periodontal areas. Their role as a metabolite for plant growth inhibition has been established, but their relevance in humans has yet to be determined. Moreover, Vascular endothelial growth factor (VGEF) is a consistent growth factor in neo-angiogenesis in periodontal regeneration.
View Article and Find Full Text PDFA Unique Case of 'in Situ' Bifluoride Triggered Formation of Supramolecular Organogels Using Isophthalamide Hydrogen Bond Donating Receptors.
Chemistry
January 2025
Department of Chemical and Geological Science, University of Cagliari, S.S. 554 Bivio per Sestu, 09042, Monserrato (CA), Italy.
A novel isopthalamide based receptor HL2 featuring two p-benzoic acid units has been synthesised and its anion binding properties analysed by H-NMR spectroscopy in DMSO-d/0.5 % HO. As expected, in the presence of tetrabutylammonium (TBA) fluoride the deprotonation of the carboxylic acid moieties was observed.
View Article and Find Full Text PDFHydrogen-Bonding-Driven Design of Organic-Inorganic Hybrid Ferroelastics with Reversible Photoisomerization.
Inorg Chem
January 2025
Department of Chemistry & CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal.
The development of photoresponsive ferroelastics, which couple light-induced macroscopic mechanical and microscopic domain properties, represents a frontier in materials science with profound implications for advanced functional applications. In this study, we report the rational design and synthesis of two new organic-inorganic hybrid ferroelastic crystals, (MA)(MeN)[Fe(CN)(NO)] (MA = methylammonium) () and (MA)(MeNOH)[Fe(CN)(NO)] (), using a dual-organic molecular design strategy that exploits hydrogen-bonding interactions for tailoring ferroelastic properties. Specifically, exhibits a two-step phase transition at 138 and 242 K, while the introduction of a hydroxyl group in stabilizes its ferroelastic phase to a significantly higher temperature, achieving a phase transition at 328 K, 86 K above that of .
View Article and Find Full Text PDFNi Single Atoms/FeN Nanoparticles Supported by N-Doped Carbon Hollow Nanododecahedras with Nanotubes on the Surface for Efficient Electro-Reduction of CO to CO.
Small
January 2025
College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, China.
The transition metal single atoms (SAs)-based catalysts with M-N coordination environment have shown excellent performance in electrocatalytic reduction of CO, and they have received extensive attention in recent years. However, the presence of SAs makes it very difficult to efficiently improve the coordination environment. In this paper, a method of direct high-temperature pyrolysis carbonization of ZIF-8 adsorbed with Ni and Fe ions is reported for the synthesis of Ni SAs and FeN nanoparticles (NPs) supported by the N-doped carbon (NC) hollow nanododecahedras (HNDs) with nanotubes (NTs) on the surface (Ni SAs/FeN NPs@NC-HNDs-NTs).
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