143 Result(s)
within
De-** Wang
Chemistry
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Article
Pulsed Vacuum Drying (PVD) of Hawthorn (Crataegus spp.) Slices: Effects on Drying Characteristics and Physicochemical Quality
This research investigated the effects of drying temperature and vacuum pressure duration (t-VPD) on drying characteristics, rehydration ratio (RR), microstructure, color, vitamin C (VC), and citric acid (CA) ...
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Study of phase change heat absorption on inhibiting coal spontaneous combustion: microcalorimetry and coal autoxidation properties under the interrupted programmed heating
Coal spontaneous combustion (CSC) is one of the main disasters in the process of coal mining. In this paper, the important role of high-latent heat phase change material CH3COONa·3H2O (SAT) in controlling CSC was...
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Article
Polyelectrolytes of Inorganic Polyoxometalates: Prospecting New Charged Polymers for Advanced Applications
Polyelectrolytes are charged polymers comprising macromolecules in which substantial portions of the constituent units contain cationic (e.g., pyridinium, ammonium) or anionic (e.g., sulfonate, carboxylate) group...
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Article
Element analysis of limestone based on inelastic neutron scattering system
In this work, an inelastic neutron scattering system was developed for element analysis in limestone with a D–T neutron generator and a 3*3 inch LaBr3 detector. Six sets of simulated limestone samples were prepar...
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Determination of the total antioxidant capacity of the Chinese tea based on a novel “peroxidase/zirconium phosphonate”composite electrochemical sensor
In this work, a novel zirconium phosphonate (ZrPR1R2) was prepared by decorating both the aminoethoxy- group (R1) and the carboxypropyl- group (R2) on the zirconium phosphate layers in order to manipulate further...
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Article
Highly Transparent Fire-resistant Coatings with Intumescent Three-source Integration
Wood, a readily available and sustainable natural resource, has found widespread use in construction and furniture. However, its inherent flammability poses a potential fire risk. Although intumescent fire-ret...
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Hybrid organic–inorganic two-dimensional metal carbide MXenes with amido- and imido-terminated surfaces
Two-dimensional (2D) transition-metal carbides and nitrides (MXenes) combine the electronic and mechanical properties of 2D inorganic crystals with chemically modifiable surfaces, which provides an ideal platf...
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Article
Stabilize and Reinforce Hydrogen-Bonded Polymer Complex Elastic Fiber by Catechol Chemistry and Coordination
Hydrogen-bonded polymer complex fiber of poly(ethylene oxide) (PEO) and poly(acrylic acid) (PAA) shows rubber elasticity in ambient environment, but the fiber has relatively low strength and weak stability. We...
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Article
Open AccessEdible exosome-like nanoparticles from portulaca oleracea L mitigate DSS-induced colitis via facilitating double-positive CD4+CD8+T cells expansion
Plant-derived exosome-like nanoparticles (PDENs) have been paid great attention in the treatment of ulcerative colitis (UC). As a proof of concept, we isolated and identified Portulaca oleracea L-derived exoso...
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Article
Palladium Nanoparticles Supported on Ce-MOF-801 as Highly Efficient and Stable Heterogeneous Catalysts for Suzuki-Miyaura Coupling Reactions
Palladium nanoparticles (Pd NPs) supported on a cerium-based metal–organic framework Ce-MOF-801 (Pd/Ce-MOF-801) was prepared using an incipient wetness impregnation strategy. Multiple analytical techniques wer...
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Article
Facile fabrication of high-efficiency reactive flame retardant toward cotton fabric with good hand feeling and high fire safety
High flame-retardant efficiency and good hand feeling are particularly critical in the application of cotton fabrics. Herein, a reactive flame retardant (PAzP) with ammonium phosphate ester groups was designed...
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Article
A rapid GC–MS method for the simultaneous determination of serotonin and resveratrol using characteristic ions: investigating the distributions of target compounds in different organs of sea buckthorn
A rapid, accurate and low-cost detection method for simultaneous qualitative and quantitative analyses of serotonin and resveratrol was established with gas chromatography-mass spectrometry (GC–MS) combined wi...
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Article
Facile Fabrication of Hyperbranched Polyacetal Quaternary Ammonium with pH-Responsive curcumin Release for Synergistic Antibacterial Activity
In the current global crisis of antibiotic resistance, persuit of an effective multi-pathway collaborative approach to enhance antibacterial activity is urgently needed. Here, a kind of hyperbranched polyaceta...
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Article
Highly efficient intumescent flame retardant of dopamine-modified ammonium polyphosphate for the thermoplastic polyurethane elastomer
With the widely application of thermoplastic polyurethane elastomer (TPU), the fire safety of the TPU composites has attracted more and more attention. In this work, a highly efficient and green flame retardan...
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Article
Preparation of a highly sensitive and selective modified electrode for imidacloprid determination based on a nanocomposite cetyltrimethylammonium bromide–functionalized graphene oxide/multi-walled carbon nanotubes
An electrochemical sensor based on cetyltrimethylammonium bromide–functionalized graphene oxide/multi-walled carbon nanotube (CTAB-GO/MWCNTs)nanocomposite–modified glassy carbon electrodes was designed for use...
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Article
Investigation of magnesium hydroxide functionalized by polydopamine/transition metal ions on flame retardancy of epoxy resin
Aiming to impart epoxy resin (EP) with flame retardancy, magnesium hydroxide (MDH) was sequentially functionalized with four transition metals and polydopamine (PDA) to prepare MDH@M-PDA (M includes Fe3+, Co2+, C...
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Article
Automated solution-phase multiplicative synthesis of complex glycans up to a 1,080-mer
Carbohydrates play essential roles in nature, such as in cell–cell communication, cell growth and immunoresponse. However, the synthesis of structurally well-defined carbohydrates, especially large-sized glyca...
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Article
Effect of hydrostatic pressure on the structural, elastic, and optoelectronic properties of vacancy-ordered double perovskite Cs2PdBr6
The vacancy-ordered double perovskite Cs2PdBr6 has the advantages of good optoelectronic properties, environmental friendliness, and high stability. It has been experimentally confirmed by researchers as an optoe...
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Article
A gating ultramicroporous metal-organic framework showing high adsorption selectivity, capacity and rate for xylene separation
Adsorptive separation of p-xylene (pX) from xylene isomers is a key process in chemical industry, but known adsorbents cannot simultaneously achieve high adsorption selectivity, capacity, and rate. Here, we demon...
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Article
Biomimetic Modification of Super-wetting Electrospun Poly(vinylidene fluoride) Porous Fibers with Organic Dyes and Heavy Metal Ions Adsorption, Oil/Water Separation, and Sterilization Performances Toward Wastewater Treatment
Polymeric membranes with the integration of various functional performances toward wastewater treatment are urgently required. However, most of the polymeric membranes only exhibit a single function of highly ...
