This study reports the synthesis of Ni-TiN composite nanocoatings on a Q235 steel matrix using electrodeposition technique, and were then treated at different temperatures. The surface morphology, structure, hardness, abrasion performances investigated scanning electron microscopy (SEM), X-ray diffraction (XRD), friction-abrasion testing machine. SEM images illustrated smooth/dense morphology for 250°C. XRD patterns revealed Ni TiN phase appearance within nanocoatings. broader low-intensity...

Natural goethite commonly encounters Al substitution for Fe, which alters the surface reactivity of goethite.

With the increasing demand for innovative electronic products, LED transparent screens are gradually entering public eye. Polyimide (PI) materials combine high temperature resistance and transparency, which can be used to prepare flexible copper-clad laminate substrates. The physical chemical properties of PI differ from copper, such as their thermal expansion coefficients (CTEs), surface energy, etc. These differences affect formation stability interface between copper films, resulting in a...

Hexagonal-phase NaYF4 (β-NaYF4) is extensively utilized in bioimaging and fluorescent labeling due to its excellent biocompatibility optimal up-conversion luminescence the visible light region. However, conventional hydrothermal methods for producing β-NaYF4 typically necessitate prolonged reaction times are prone impure phase mixtures, thus lacking efficiency meeting increasing demand. In our study, we have developed a rapid straightforward method synthesizing by controlling nucleation rate...

Dermatophagoides farinae is a species closely linked to human health. This study investigated the acaricidal efficacy of methanol extracts from 18 traditional Chinese medicinal plants against D. farinae. The extract Ligusticum striatum DC. exhibited highest properties. Sequential extraction was applied reveal active component in ethyl acetate extract, identified as senkyunolide A (SEA) by liquid chromatography–mass spectrometry (LC–MS) and nuclear magnetic resonance (NMR) analyses....

Intrahepatic cholangiocarcinoma (ICC)originates from the epithelial cells of intrahepatic bile ducts, with insidious onset and strong invasiveness, most cases are found in advanced stage, extremely poor prognosis. In stages, distant metastases to lungs, bones, brain common, but soft tissue (subcutaneous skeletal muscle) breast rare, simultaneous all three rare sites had not been reported. We report a 69-year-old woman right upper abdominal pain who underwent plain enhanced CT scan abdomen,...

Copper clusters with diverse luminescent properties are of particular interest. In this study, a series Cu8 cage‐like structures was synthesized and characterized. By employing stepwise ligand engineering strategy that progressively introduced circularly polarized luminescence (CPL) long persistent (LPL) properties, we successfully R/S‐Cu8‐Cl, the first copper cluster to demonstrate both CPL LPL. The originates from chiral metal core induced by alkynyl ligand, whereas LPL is attributed...

ABSTRACT Mg alloy corrosion is mainly related to water in ethylene glycol coolant. Meanwhile, engine works, the temperature of coolant reaches 80°C–110°C. Thus behavior AZ31B high‐temperature deionized was investigated using weight loss tests, optical microscope, scanning electron microscopy (SEM), energy dispersive spectrometer (EDS), X‐ray diffraction (XRD), and photoelectron spectroscopy (XPS), results revealed that its rate at 90°C higher than 30°C due intense hydrogen evolution serious...

Abstract Electrocatalytic nitrate reduction to ammonia (NRA) offers an arousing route for converting widespread pollutant under mild conditions. Among other NRA catalysts, single‐atom catalyst (SAC) has emerged as a promising candidate due its numerous advantages such maximum metal‐atom‐utilization efficiency, homogeneous and tailorable active sites, which still encounters formidable challenge accelerate the kinetics simultaneously suppress competitive hydrogen evolution reaction, especially...

Objective: The improvement of bone repair scaffolds to enhance their bioactivity and in vivo vascularization is a current research hotspot. Method: HUVECs are subjected both fluid shear stress (FSS) chemical stimuli simultaneously. release ATP, NO, the expression eNOS were examined. adhesion spots cytoskeleton formed by HUVEC on material surface also observed. Result: LFSS (low stress, 5 dyn/cm2) did not trigger response Glass -NH2 HUVECs, but induced strong -OH -CH3, while PFSS...

Abstract The mechanism of flame retardancy and smoke suppression by melamine in flexible polyurethane foam has been investigated using cone calorimetry, TG, DSC pyrolysis/GC/MS. calorimetric results indicate that the addition into was very effective at reducing heat release rates suppressing CO production during initial combustion stage. GC/MS analysis showed volatiles evolved from foam, pyrolysed 350°C air, consisted mainly 2,6‐ 2,4‐ isomers toluene diisocyanate. Such species together with...

Poly (vinyl chloride)/compatibilizer/organophilic-montmorillonite (OMMT) nanocomposites have been prepared by melt intercalation the masterbatch process. PVC/OMMT also directly blending PVC with OMMT for comparison. All composites were characterized Wide-angle X-ray Diffraction (WAXD) and Transmission Electron Microscopy (TEM). The results of WAXD TEM indicate that PVC/VAc/OMMT exfoliated structure successfully prepared, whilst partially intercalated produced. Notched Charpy impact strengths...

A novel shape memory material was prepared based on the formation of inclusion complexes between α-cyclodextrin (α-CD) and poly(ϵ-caprolactone) (PCL); PCL-α-CD crystallites serve as a fixing phase, while free PCL reversible phase. The characteristics were investigated mechanism for behavior proposed. This showed good properties, with recovery ratio exceeding 90% time being less than 6 s at 90 °C. partial complex lost about 50% (47.4 ± 4.4%) weight within 45 days in presence lipase,...

Keratin is a family of cysteine-rich structural fibrous proteins abundantly present in skin and appendages. Inspired by the template synthesis strategy, this work, keratin was utilized for first time as platform to synthesize metallic oxide nanoparticles, such MnO2 (MnNPs@Keratin) Gd2O3 (GdNPs@Keratin), simple environment-benign fashion. These nanoparticles possess good colloid stability biocompatibility, high T1 relaxivity (r1 value = 6.8 mM−1s−1 MnNPs@Keratin 7.8 GdNPs@Keratin), superior...

Early diagnosis and treatment of atherosclerosis (AS) vulnerable plaque has important clinical significance for the prognosis patients. In this work, integrated nanoparticles based on Gd-doped Prussian blue (GPB) were constructed fluorescence/MR dual-mode imaging anti-ROS AS plaques in vitro vivo.To fabricate theranostic NPs, GPB was modified with water-soluble polymer polyethyleneimine (PEI), fluorescence molecule rhodamine (Rd), targeted dextran sulfate (DS) step by via electrostatic...