55 Result(s)
within
Cai-**a Xu
Chemistry
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Article
Influence of Heat-setting Temperature on the Microporous Structure and Properties of PP/HDPE Bilayer Microporous Membranes
Due to the mechanical stability of PP layer, the PP/HDPE double-layer microporous membrane could be prepared at a higher heat-setting temperature than that of PE monolayer membrane. In this work, the effects o...
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Molecular Chain Flexibility and Dielectric Loss at High-Frequency: Impact of Ester Bond Arrangement in Poly(ester imide)s
The evolution of high-frequency communication has accentuated the significance of controlling dielectric properties in polymer media. Traditionally, it has been theorized that rigid molecular chains lead to lo...
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Article
Identification of hyperthermophilic D-allulose 3-epimerase from Thermotoga sp. and its application as a high-performance biocatalyst for D-allulose synthesis
D-Allulose 3-epimerase (DAE) is a vital biocatalyst for the industrial synthesis of D-allulose, an ultra-low calorie rare sugar. However, limited thermostability of DAEs hinders their use at high-temperature p...
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Article
Dielectric Constant Calculation of Poly(vinylidene fluoride) Based on Finite Field and Density Functional Theory
In this study, we proposed a novel method that integrates density functional theory (DFT) with the finite field method to accurately estimate the polarizability and dielectric constant of polymers. Our approac...
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Article
Intracellular redox potential-driven live-cell synthesis of CdSe quantum dots in Staphylococcus aureus
Biosynthesized semiconductor quantum dots (QDs) have bright fluorescence, adjustable particle sizes, and environmental friendliness, endowing them with convenience and potential for biological applications. Du...
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Article
High-Performance Recyclable Furan-based Epoxy Resin and Its Carbon Fiber Composites with Dense Hydrogen Bonding
The emerging biomass-based epoxy vitrimers hold great potential to fulfill the requirements for sustainable development of society. Since the existence of dynamic chemical bonds in vitrimers often reduces both...
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Open AccessReview on Low-Temperature Electrolytes for Lithium-Ion and Lithium Metal Batteries
Among various rechargeable batteries, the lithium-ion battery (LIB) stands out due to its high energy density, long cycling life, in addition to other outstanding properties. However, the capacity of LIB drops...
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Novel Quasi Solid-State Succinonitrile-based Electrolyte with Low-flammability for Lithium-ion Battery
Quasi solid-state succinonitrile (SN)-based polymer electrolytes have emerged for lithium-metal batteries due to their excellent ion-conductivity at room temperature, wide electrochemical stability window (ESW...
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Article
Rapid Conversion of Perhydropolysilazane into Thin Silica Coating at Low Temperature
The conversion of perhydropolysilazane (PHPS) to silica at low temperature is beneficial for its application on thermally vulnerable substrates. In this work, it is demonstrated that (3-aminopropyl)triethoxysi...
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Article
Wireless Autonomous Soft Crawlers for Adjustable Climbing Actuation
Artificial soft actuators, featured with non-equilibrium internal circumstance and fast, programmable shape transformations, have attracted strong research interest recently due to their flexibility, highly co...
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Article
Open AccessWhole fresh fruit intake and risk of incident diabetes in different glycemic stages: a nationwide prospective cohort investigation
Fruit intake is beneficial to several chronic diseases, but controversial in diabetes. We aimed to investigate prospectively the associations of whole fresh fruit intake with risk of incident type 2 diabetes (...
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Article
Open AccessBone-targeting delivery of platelet lysate exosomes ameliorates glucocorticoid-induced osteoporosis by enhancing bone-vessel coupling
Glucocorticoids (GCs) overuse is associated with decreased bone mass and osseous vasculature destruction, leading to severe osteoporosis. Platelet lysates (PL) as a pool of growth factors (GFs) were widely use...
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Article
Photoelectrochemical asymmetric catalysis enables site- and enantioselective cyanation of benzylic C–H bonds
The enantioselective functionalization of ubiquitous C(sp3)–H bonds is ideally suited for the construction of three-dimensional chiral structures. However, organic molecules often contain multiple C(sp3)–H bonds ...
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Article
Study on Bioactive Secondary Metabolites from the Mangrove-Derived Fungus Penicillium verruculosum TGM14
A new compound, named penicillquei C (1), and eight known compounds (2–9), were isolated from the fermentation broth of mangrove-derived fungus Penicillium verruculosum TGM14. The structure of compound 1 was iden...
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Article
Chemical Constituents of Artemisia frigida
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Article
Annealing of Oriented PP/PE Double-layer Film within the Melting Range of PE: the Role of Partial Melting and Self-nucleation
Due to the mechanical stability of the PP layer, the oriented PP/PE double-layer film with a row-nucleated crystalline structure can be annealed at a higher temperature than the PE monolayer film. In this work...
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Article
Open AccessTheranostic nanoplatform to target macrophages enables the inhibition of atherosclerosis progression and fluorescence imaging of plaque in ApoE(−/−) mice
Rupture of atherosclerotic plaque can cause acute malignant heart and cerebrovascular events, such as acute coronary heart disease, stroke and so on, which seriously threaten the safety of human life and prope...
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Article
A New Polyketide from the Mangrove-Derived Fungus Phomopsis sp. TJM1-5
A new polyketide, 9(E)-3-(5,8-dihydroxynon-3-en-1-yl)-5,6-dihydroxy-2,6-dimethylcyclohex-2-enone (1), and one known compound, 5-chloroisorotiorin (2), were isolated from the mangrove-derived fungus Phomopsis sp. ...
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Article
Origin of High Elastic Recovery of Hard-elastic Polypropylene Film at Room Temperature: the Mixed Contribution of Energy Elasticity and Entropy Elasticity
The crystalline and amorphous regions were alternately arranged in the hard elastic polypropylene (PP) films with row-nucleated lamellae. In this work, their structure evolution during stretching and recovery ...
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Article
Long-term Thermo-oxidative Degradation Modeling of a Carbon Fiber Reinforced Polyimide Composite: Multistep Degradation Behaviors and Kinetics
This study aims to disclose the thermo-oxidative degradation behaviors and kinetics of a carbon fiber reinforced polyimide (CFRPI) composite for modeling of the long-term degradation process. The degradation b...
