343 Result(s)
within
Hongyan **g
Chemistry
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Article
Activity Improvement of Mn/Al2O3 for NH3-SCR Reaction via the Rare-Earth (Ce, La, Nd and Y) Oxides Modification
A series of rare-earth (Ce, La, Nd, and Y) oxides doped Mn/Al2O3 catalysts were prepared by the impregnation method and used for the selective catalytic reduction (SCR) of NOx with NH3. The additions of rare-eart...
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Article
Explosive Synthesis of High-Performance MgO/Graphene Nanocomposites for Efficient Solar Photocatalysis
Magnesium oxide (MgO)/graphene nanocomposites were prepared via an explosion method by using graphene oxide (GO) and Mg(OH)2 as raw materials. Moreover, the simulated solar photocatalytic degradation performance ...
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Article
Electrospun Hollow VOx/SiO2 Nanofibers for Oxidative Dehydrogenation of Propane
A series of hollow VOx/SiO2 nanofiber catalysts (nV/S-f) with vanadium content ranging from 0.25 wt% to 4.0 wt% were prepared by electrospinning-calcination, and characterized by ICP-MS, XRD, N2 adsorption–desorp...
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Article
A Bifunctional-Blocker-Aided Hybridization Chain Reaction Lighting-Up Self-calibrating Nanocluster Fluorescence for Reliable Nucleic Acid Detection
In this work, we proposed a ratiometric silver nanoclusters (AgNCs) fluorescent assay by designing a bifunctional-blocker-aided hybridization chain reaction (HCR). Hairpin probe 1 (HP1) containing two special ...
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Article
Improving the stability of 2-phenyl-1,3-dimethyl imidazolium cations under alkaline conditions through various substitution strategies
The effects of various substituents at different substitution positions on the stability of imidazolium cations were investigated by studying the degradation reactions of several substituted 2-phenyl-1,3-dimet...
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Article
A simple and accurate ratiometric sensor for determination of dopamine based on dual-emission carbon dots
Dopamine (DA) is a neuromodulatory molecule that plays critical roles in many biological processes. The dysfunctions of the DA system are closely associated with several nervous system diseases. Therefore, it ...
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A new insight into the kinetics of dibenzyltoluene hydrogenation over ruthenium catalyst for hydrogen storage
The storage and transportation of gas hydrogen in a large scale is the bottleneck of hydrogen economy at present, and using liquid organic hydrogen carrier (LOHC) may be a hopefully competitive technique for h...
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Article
Adsorption and Diffusion Behavior of Xe/Kr Gas on Al2O3 and Stilbene Surface
The adsorption and diffusion behavior of radioactive inert gases, xenon (Xe) and krypton (Kr), on flat and rough surfaces of Al2O3 and stilbene, were investigated using molecular dynamics (MD) simulations based o...
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Article
Carbene-catalyzed enantioselective seleno-Michael addition as access to antimicrobial active Se-containing heterocycles
Organoseleniums exhibit a diverse set of biological activities that are pivotal for drug discovery and are widely explored in synthetic chemistry and material science. While many transformations have been deve...
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Article
The influence of MoS2/carbon dots hybrid particles on mechanical properties of natural rubber latex
Molybdenum disulfide(MoS2) has a special structure and excellent mechanical properties, making it a promising reinforcing filler for polymers. Carbon dots (CDs) have good antioxidant properties, and the addition ...
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Article
Open AccessDNA-based molecular classifiers for the profiling of gene expression signatures
Although gene expression signatures offer tremendous potential in diseases diagnostic and prognostic, but massive gene expression signatures caused challenges for experimental detection and computational analy...
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Article
Enhanced capacity of LiCoO2 and graphite battery by using methylene methanedisulfonate as electrolyte additive
Lithium cobalt oxide (LiCoO2) and graphite-based Li-ion batteries have been widely applied for consumer electronics because of the long cycle life and easy preparation. However, the limited capacity for tradition...
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Article
Open AccessCatalyst-free late-stage functionalization to assemble α-acyloxyenamide electrophiles for selectively profiling conserved lysine residues
Covalent probes coupled with chemical proteomics represent a powerful method for investigating small molecule and protein interactions. However, the creation of a reactive warhead within various ligands to for...
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Article
Moss-like porous biochar loading Co3O4 nanoparticles as sulfur host maintain the stability of Li-sulfur batteries
The combination and structural regulation of physical adsorption and chemisorption carriers for polysulfides play an important role in limiting the shuttle effect of lithium-sulfur batteries (LSBs). So, in thi...
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Article
Intimate Humidity Monitoring: Development and Performance Evaluation of Wearable Color-Electric Dual-Mode Humidity Sensor
Flexible wearable humidity sensors have seen significant development in healthcare fields. However, most sensors have only one electrical response mode with low visualization, thus limiting applications. Here,...
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Polymer coated γ-aminopropyltriethoxysilane-modified α-alumina non-spherical nanocomposite abrasives and their chemical mechanical polishing behavior on glass-ceramic substrate
This study aimed to overcome limitations associated with the use of alumina nanoparticles in the semiconductor manufacturing industry, including high hardness, inadequate dispersion, and substandard post-polis...
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Article
Recent Advances in Biomass-derived Porous Carbon Materials: Synthesis, Composition and Applications
Porous carbon materials (PCMs) play a pivotal role in diverse applications, such as energy storage, adsorption, catalysis, environmental remediation, and microwave adsorption. The selection of carbon precursor...
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Open AccessCorrection: Mesenchymal stem cells‑derived extracellular vesicles protect against oxidative stress‑induced xenogeneic biological root injury via adaptive regulation of the PI3K/Akt/NRF2 pathway
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A comparative evaluation of mechanically reinforced and heat-resistant organic powder/polyurethane elastomer hybrid composites
Polyurethane elastomers are widely utilized in various engineering applications due to their favorable properties. However, their high surface energy and internal heat generation limit their potential use unde...
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Open AccessMesenchymal stem cells-derived extracellular vesicles protect against oxidative stress-induced xenogeneic biological root injury via adaptive regulation of the PI3K/Akt/NRF2 pathway
Xenogeneic extracellular matrices (xECM) for cell support have emerged as a potential strategy for addressing the scarcity of donor matrices for allotransplantation. However, the poor survival rate or failure ...
