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From 2D kaolinite to 3D amorphous cement.
Sci Rep
January 2025
Centre for Advanced 2D Materials, National University of Singapore, Singapore, 117546, Singapore.
Kaolinite is a single 2D layer of kaolin or metakaolin (MK), common clays that can be characterized as layered 3D materials. We show that because of its chemical composition, kaolinite can be converted into an amorphous 3D material by chemical means. This dimensional transformation is possible due to the large surface to volume ratio and chemical reactivity of kaolinite.
View Article and Find Full Text PDFEffects of BLa80 on fecal and mucosal flora and stem cell factor/c-kit signaling pathway in simulated microgravity rats.
World J Gastroenterol
January 2025
Department of Gastroenterology, The Air Force Medical Center, Beijing 100142, China.
Background: Simulated microgravity environment can lead to gastrointestinal motility disturbance. The pathogenesis of gastrointestinal motility disorders is closely related to the stem cell factor (SCF)/c-kit signaling pathway associated with intestinal flora and Cajal stromal cells. Moreover, intestinal flora can also affect the regulation of SCF/c-kit signaling pathway, thus affecting the expression of Cajal stromal cells.
View Article and Find Full Text PDFManganese Galvanic Cells Intervene in Tumor Metabolism to Reinforce cGAS-STING Activation for Bidirectional Synergistic Hydrogen-Immunotherapy.
Adv Mater
January 2025
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China.
The cGAS-STING pathway is pivotal in initiating antitumor immunity. However, tumor metabolism, particularly glycolysis, negatively regulates the activation of the cGAS-STING pathway. Herein, Mn galvanic cells (MnG) are prepared via liquid-phase exfoliation and in situ galvanic replacement to modulate tumor metabolism, thereby enhancing cGAS-STING activation for bidirectional synergistic H-immunotherapy.
View Article and Find Full Text PDFSynthesis of Nanosheets from Layered Bismuth Oxide BiSrCaFeO without Using Organic Exfoliation Agents.
Inorg Chem
January 2025
Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan.
Bismuth oxide nanosheets were synthesized through the exfoliation of layered compounds without any organic exfoliation agents. The layered compound BiSrCaFeO, comprising Bi-O layers and Sr-Ca-Fe-O layers, was synthesized as the starting material. The Sr-Ca-Fe-O layers were selectively dissolved by shaking the compound in 0.
View Article and Find Full Text PDFA Liquid Metal Balloon for the Exfoliation of an Ultrathin and Uniform Gallium Oxide Layer.
Molecules
December 2024
School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
We report the exfoliation of ultrathin gallium oxide (GaO) films from liquid metal balloons, formed by injecting air into droplets of eutectic gallium-indium alloy (eGaIn). These GaO films enable the selective adsorption of carbon nanotubes (CNTs) dispersed in water, resulting in the formation of a dense, percolating CNT network on their surface. The self-assembled CNT network on GaO provides a versatile platform for device fabrication.
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