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3,771 Result(s)
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Article
Enhanced hydrodesulfurization activity of thiophene over hollow tubular CoMo unsupported catalysts
In this work, hollow tubular CoMo unsupported catalysts were prepared using cotton as a hard template with different Co and Mo molar ratios. The techniques, such as thermogravimetric analysis (TGA), X-ray diff...
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Article
A new type of energy-preserving integrators for quasi-bi-Hamiltonian systems
Energy-preserving algorithms, as one of the core research areas in numerical ordinary differential equations, have achieved great success by many methods such as symplectic methods and discrete gradient method...
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Enantioselective alkene hydroalkylation overcoming heteroatom constraints via cobalt catalysis
Alkene hydroalkylation enables efficient and selective formation of C(sp3)–C(sp3) bonds with unique advantages, such as exceptional chemoselectivity and remarkable tolerance of functional groups. However, elimina...
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Roles of Electrostatic Interactions in the Peroxide System for Bleaching of Cotton Fabric
The industrial bleaching of cotton fabric is often carried out in an aqueous solution of hydrogen peroxide (H2O2) with the addition of sodium hydroxide (NaOH) at a boiling temperature. To overcome the higher ener...
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Article
Nickel-catalyzed arylcyanation of alkenes via cyano group translocation: access to 1,n-dinitriles or 4-amino nitriles
Herein, a nickel-catalyzed arylcyanation of unactivated alkenes via cyano group translocation with aryl boronic acids has been developed. These transformations provided a robust approach to constructing structura...
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Article
Experimental study on the mechanical properties of desert sand improved by the combination of additives and bio-cement
Bio-cement is a green and energy-saving building material that has attracted much attention in the field of ecological environment and geotechnical engineering in recent years. The aim of this study is to inve...
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Deep Eutectic Solvent as an Additive to Improve Enzymatic Hydrolysis of Polyethylene Terephthalate (PET)
Enzymatic hydrolysis of polyethylene terephthalate (PET) for surface modification of polyester fibers has attracted considerable research attention in recent years. However, the high crystallinity of polyester...
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Effects of water immersion on the pore structure and thermodynamic properties of sulfide ores
Spontaneous combustion of sulfide ores represents a significant challenge in metal mining operations. Mines that have experienced spontaneous combustion of sulfide ores normally possess well-developed undergro...
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Open AccessA black phosphorus nanosheet-based RNA delivery system for prostate cancer therapy by increasing the expression level of tumor suppressor gene PTEN via CeRNA mechanism
Prostate cancer (PCa) has a high incidence in men worldwide, and almost all PCa patients progress to the androgen-independent stage which lacks effective treatment measures. PTENP1, a long non-coding RNA, has ...
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Theoretical Study of the Anti-CO Poisoning of Pt(111) Catalyst in the Presence of Nafion
The research on the anti-CO poisoning performance of Pt catalyst for direct methanol fuel cell (DMFC) has been the focus of scientists. Nafion membrane is one of the indispensable components in DMFC. In this p...
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Article
A 3-V high-voltage and long-life magnesium-potassium hybrid ion battery
Magnesium-ion batteries are promising candidates for the next-generation energy storage systems. However, their development is restricted by the shortage of advanced insertion-type positive electrodes. Hybrid-...
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Article
A mechanoluminescent material, ZnS:Mn,Li, with enhanced brightness for visualizing dental occlusion
Mechanoluminescent materials are characterized by high luminescence intensity, high repeatability, no external voltage activation, and a good linear relationship between stress and mechanoluminescence intensit...
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Article
Reusable and Self-Assembly Supramolecular Palladium Catalyst for C–C Coupling Reactions in Aqueous
A novel fluorescent supramolecular polymer (named N3T) has been synthesized resoundingly, which can effectively identify trace amounts of Pd2+ in solution, and then a self-assembled supramolecular catalyst cataly...
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Article
Pt–Pd Bifunctional Catalysts Supported on CeO2/Graphene Oxide for Reinforced Methanol Electro-oxidation
In this work, the CeO2 nanoparticles were dispersed onto the surface of graphene oxide (GO), followed by electrodeposition of Pt–Pd alloy nanoparticles on the CeO2 surface to fabricate Pt–Pd@CeO2/graphene oxide c...
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Article
Open AccessNIR-responsive electrospun nanofiber dressing promotes diabetic-infected wound healing with programmed combined temperature-coordinated photothermal therapy
Diabetic wounds present significant challenges, specifically in terms of bacterial infection and delayed healing. Therefore, it is crucial to address local bacterial issues and promote accelerated wound healin...
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Engineered β-glycosidase from Hyperthermophilic Sulfolobus solfataricus with Improved Rd-hydrolyzing Activity for Ginsenoside Compound K Production
Hyperthermophilic Sulfolobus solfataricus β-glycosidase (SS-βGly), with higher stability and activity than mesophilic enzymes, has potential for industrial ginsenosides biotransformation. However, its relatively ...
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Article
Strontium Promoted PtSn/Al2O3 Catalysts for Propane Dehydrogenation to Propylene
PtSn/Al2O3 and PtSnSr/Al2O3 were prepared by the incipient wetness impregnation method. The added Sn and Sr are uniformly distributed on the surface without damaging the original crystal structure and surface tex...
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Article
Combining E-ice-COLD-PCR and Pyrosequencing with Di-Base Addition (PDBA) Enables Sensitive Detection of Low-Abundance Mutations
Detecting low-abundance mutations is of particular interest in the fields of biology and medical science. However, most currently available molecular assays have limited sensitivity for the detection of low-ab...
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Article
Fluorescent carbon dots for discriminating cell types: a review
Carbon dots (CDs) are quasi-spherical carbon nanoparticles with excellent photoluminescence, good biocompatibility, favorable photostability, and easily modifiable surfaces. CDs, serving as fluorescent probes,...
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Surface modification of polyamide fabric based on a multi-enzyme system
The hydrophobicity of polyamide (PA) hinders the comfort and processing of fabrics. The enzyme-catalyzed surface modification has emerged as a promising alternative to conventional chemical methods for hydroph...