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Ultralight Carbon Tube Foam-Derived SiC Nanofibrous Aerogels with Arbitrary Shape, Excellent Rigidity, and Resilience for Thermal Insulation.
ACS Appl Mater Interfaces
January 2025
School of Mechanics and Aerospace Engineering, Dalian University of Technology, Dalian 116024, P. R. China.
Ceramic aerogels are promising high-temperature thermal insulation materials due to their outstanding thermal stability and oxidation resistance. However, restricted by nanoparticle-assembled network structures, conventional ceramic aerogels commonly suffer from inherent brittleness, volume shrinkage, and structural collapse at high temperatures. Here, to overcome such obstacles, 3D ultralight and highly porous carbon tube foams (CTFs) were designed and synthesized as the carbonaceous precursors, where melamine foams were used as the sacrificial templates to form the hollow and thin-wall network structures in the CTFs (density: ∼4.
View Article and Find Full Text PDFThe ability of end-tidal carbon dioxide value to predict the risk of major cardiovascular events in patients with acute coronary syndrome.
Acta Clin Belg
January 2025
Erzurum Regional Training and Research Hospital, Department of Emergency Medicine, Erzurum, Turkey.
Objectives: In this study, the capacity of End-tidal carbon dioxide (EtCO2) levels to predict the risk of major cardiovascular events (MACE) in patients diagnosed with acute coronary syndrome and the relationship between risk scoring systems (TIMI, GRACE, HEART) and EtCO2 values were examined.
Methods: EtCO2 values of the patients in the study were measured with a capnography device. Each patient's MACE status was recorded.
Smartphone-based non-invasive detection of salivary uric acid based on the fluorescence quenching of gleditsia sinensis carbon dots.
Mikrochim Acta
January 2025
Guizhou Province, Qianzhi Mingguang Soaphorn Rice Processing Base, Zhijin County, Maochang Town, Bijie CityBijie City, 552103, China.
A smartphone-based non-invasive method was developed for salivary uric acid detection using Gleditsia Sinensis carbon dots (GS-CDs). The GS-CDs synthesized by the one-pot hydrothermal method emitted blue fluorescence at a maximum excitation wavelength of 350 nm and had good fluorescence stability in the presence of different ions, while showing selectivity to uric acid solution. The ability of uric acid (UA) to quench the fluorescent substances present in the GS-CDs, was confirmed through HPLC-FLD and LC-MS, FTIR and XPS.
View Article and Find Full Text PDFFacile synthesis of plasmonic BP@Au nanomatrix for sensitive detection of irinotecan and its active SN-38 metabolite via laser desorption/ionization mass spectrometry.
Mikrochim Acta
January 2025
Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, Jiangsu, China.
A new methodology is presented for the rapid, specific, and sensitive detection of irinotecan (CPT-11), a chemotherapeutic agent utilized in the treatment of cancer, along with its metabolically active derivative, SN-38, via laser desorption/ionization mass spectrometry (LDI MS). The method includes the detection of camptothecin (CPT), which can be utilized as an internal standard for the quantitative assessment of both CPT-11 and SN-38 in mouse serum. The approach utilizes a plasmonic two-dimensional (2D) black phosphorus nanosheet (BPN)-gold nanomatrix (BP@Au) in LDI MS.
View Article and Find Full Text PDFCellulose Elementary Fibrils as Deagglomerated Binder for High-Mass-Loading Lithium Battery Electrodes.
Nanomicro Lett
January 2025
Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722, Republic of Korea.
Amidst the ever-growing interest in high-mass-loading Li battery electrodes, a persistent challenge has been the insufficient continuity of their ion/electron conduction pathways. Here, we propose cellulose elementary fibrils (CEFs) as a class of deagglomerated binder for high-mass-loading electrodes. Derived from natural wood, CEF represents the most fundamental unit of cellulose with nanoscale diameter.
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