Publications by authors named "Yiting Peng"

Lithium-ion batteries with transition metal sulfides (TMSs) anodes promise a high capacity, abundant resources, and environmental friendliness, yet they suffer from fast degradation and low Coulombic efficiency. Here, a heterostructured bimetallic TMS anode is fabricated by in situ encapsulating SnS/MoS nanoparticles within an amphiphilic hollow double-graphene sheet (DGS). The hierarchically porous DGS consists of inner hydrophilic graphene and outer hydrophobic graphene, which can accelerate electron/ion migration and strongly hold the integrity of alloy microparticles during expansion and/or shrinkage.

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Article Synopsis
  • NAFLD is closely linked to type 2 diabetes (T2DM), and lifestyle changes are preferred treatments, but there's limited research on combining new glucose-lowering medications, semaglutide (a GLP-1 receptor agonist) and empagliflozin (an SGLT-2 inhibitor), for these patients.
  • This trial involves 105 overweight/obese participants and will last 52 weeks, comparing the effects of each drug alone and together on various health indicators, including liver health and blood sugar levels.
  • Findings from this study could shed light on the benefits of using both medications together in treating NAFLD associated with T2DM.
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People unfamiliar with the law may not know what kind of behavior is considered criminal behavior or the lengths of sentences tied to those behaviors. This study used criminal judgments from the district court in Taiwan to predict the type of crime and sentence length that would be determined. This study pioneers using Taiwanese criminal judgments as a dataset and proposes improvements based on Bidirectional Encoder Representations from Transformers (BERT).

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In the current challenging energy storage and conversion landscape, solid-state lithium metal batteries with high energy conversion efficiency, high energy density, and high safety stand out. Due to the limitations of material properties, it is difficult to achieve the ideal requirements of solid electrolytes with a single-phase electrolyte. A composite solid electrolyte is composed of two or more different materials.

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Replacing synthetic fertilizer by organic manure has been shown to reduce emissions of nitrous oxide (N O), but the specific roles of ammonia oxidizing microorganisms and gross nitrogen (N) transformation in regulating N O remain unclear. Here, we examined the effect of completely replacing chemical fertilizer with organic manure on N O emissions, ammonia oxidizers, gross N transformation rates using a 13-year field manipulation experiment. Our results showed that organic manure reduced cumulative N O emissions by 16.

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The basal forebrain is a group of nerve nuclei on the ventral side of the ventral ganglion, composed of γ-aminobutyric acid neurons, glutamatergic neurons, cholinergic neurons, and orexigenic neurons. Previous studies have focused on the involvement of the basal forebrain in regulating reward, learning, movement, sleep-awakening, and other neurobiological behaviors, but its role in the regulation of general anesthesia has not been systematically elucidated. Therefore, the different neuronal subtypes in the basal forebrain and projection pathways in general anesthesia will be discussed in this paper.

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This research analyzed the effect of tourism market diversification on Singapore's CO emissions by measuring the level of concentration of source countries in a foreign tourist basket of Singapore using a Herfindahl-Hirschman index. Our results indicated that the index fell over the period 1978-2020, which means the diversification of source countries of Singapore's foreign tourists increased. By applying the recent bootstrap and quantile ARDL models, we found that tourism market diversification and inward FDI act as stumbling blocks to CO emissions.

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Background: General anesthesia has long been used in clinical practice, but its precise pharmacological effects on neural circuits are not fully understood. Recent investigations suggest that the sleep-wake system may play a role in the reversible loss of consciousness induced by general anesthetics. Studies in mice have shown that microinjection of dopamine receptor 1 (D1R) agonists into the nucleus accumbens (NAc) promotes recovery from isoflurane anesthesia, while microinjection of D1R antagonists has the opposite effect.

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We report a facile and effective inorganic polycondensation combined with aerosol-spray strategy towards high-performance photocatalyst by fabricating mesoporous TiSnO (0 < x < 1) solid solution. Such TiSnO nanocrystals with high Sn-doped contents are self-assembled into mesoporous spheres can effectively promote visible-light harvest and high quantum yield, leading a longer lifetime of the photoelectron-hole pairs and less recombination. Such the photocatalysts enhanced photocatalytic activity for the degradation of Rhodamine B (RhB).

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A midline shift (MLS) is an important clinical indicator for intracranial hemorrhage. In this study, we proposed a robust, fully automatic neural network-based model for the detection of MLS and compared it with MLSs drawn by clinicians; we also evaluated the clinical applications of the fully automatic model. We recruited 300 consecutive non-contrast CT scans consisting of 7269 slices in this study.

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Limited by the size of microelectronics, as well as the space of electrical vehicles, there are tremendous demands for lithium-ion batteries with high volumetric energy densities. Current lithium-ion batteries, however, adopt graphite-based anodes with low tap density and gravimetric capacity, resulting in poor volumetric performance metric. Here, by encapsulating nanoparticles of metallic tin in mechanically robust graphene tubes, we show tin anodes with high volumetric and gravimetric capacities, high rate performance, and long cycling life.

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Novel composite separators containing metal-organic-framework (MOF) particles and poly(vinyl alcohol) are fabricated by the electrospinning process. The MOF particles containing opened metal sites can spontaneously adsorb anions while allowing effective transport of lithium ions in the electrolyte, leading to dramatically improved lithium-ion transference number t (up to 0.79) and lithium-ion conductivity.

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Au@ZnO nanospheres with controlled core-shell and yolk-shell features were successfully fabricated through a facile template-based solvothermal method using carbonaceous layers as intermediate. The active carbonaceous layers containing numerous surface functional groups such as OH and C═O play key roles in fabrication of the Au@ZnO nanospheres. The structures of Au@ZnO can easily controlled by adjusting the concentration of Zn ions aqueous solution and/or the size of Au@C microspheres.

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Remarkably enhanced photovoltaic effects have been observed in the heterostructures of p-type A-site Nd-doped BiFeO (BiNd)FeO (or BFONd) polycrystalline ceramics and the n-type ITO thin film. The maximum power conversion is ~0.82%, which is larger than 0.

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Protein channels in biologic systems can effectively transport ions such as proton (H(+)), sodium (Na(+)), and calcium (Ca(+)) ions. However, none of such channels is able to conduct electrons. Inspired by the biologic proton channels, we report a novel hierarchical nanostructured hydrous hexagonal WO3 (h-WO3) which can conduct both protons and electrons.

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Mesoporous nanocomposites composed of crystalline and amorphous oxides network were successfully synthesized by a continuous aerosol spray process; electrodes made from such nanocomposites with a thin-layer of protective oxide coating exhibit high capacity and long cycling life for lithium storage.

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A VO(2)(B) nanowire/CNT nanocomposite was fabricated with a stable lithium storage performance resulting in an interpenetrating porous network. This material demonstrated an enhanced Li-ion storage capacity with a significantly improved cycling stability. The capacity of the composite faded by only 6% after 100 cycles at 1 C, suggesting great promise for better lithium-ion cathodes.

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Design and fabrication of effective electrode structure is essential but is still a challenge for current lithium-ion battery technology. Herein we report the design and fabrication of a class of high-performance robust nanocomposites based on iron oxide spheres and carbon nanotubes (CNTs). An efficient aerosol spray process combined with vacuum filtration was used to synthesize such composite architecture, where oxide nanocrystals were assembled into a continuous carbon skeleton and entangled in porous CNT networks.

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Article Synopsis
  • The investigation of the methanolic extract of Fissistigma latifolium led to the discovery of two new compounds: 2,5,6,7-tetramethoxyflavan and 2'-hydroxy-4',5',6'-trimethoxybenzil.
  • The structures of these compounds were confirmed through various chemical and spectroscopic methods, with compound 2 being the first benzil reported from Fissistigma species.
  • Notably, 2,5,6,7-tetramethoxyflavan exhibited a strong ability to inhibit the production of superoxide anions in activated human neutrophils.
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Two novel chalconoids, [3-3'']bi-2-hydroxy-4,5,6-trimethoxydihydrochalcone (1) and 4,6-dimethoxy-2,5-quinodihydrochalcone (2), and twelve known compounds were isolated from the methanolic extract of Fissistigma latifolium (Dun.) Merr. The structures of all compounds were determined by spectroscopic methods.

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