Publications by authors named "Ye Xingchen"

Objectives: The significance of the systemic inflammation response index (SIRI) for predicting prognostic outcomes in patients with non-small cell lung cancer (NSCLC) has been analysed in previous studies, but no consistent conclusions have been obtained. Consequently, the present meta-analysis was performed to identify the significance of SIRI in predicting the prognosis of NSCLC.

Design: This study followed the PRISMA guidelines.

View Article and Find Full Text PDF
Article Synopsis
  • - Candida albicans is a common fungus that causes oral candidiasis, especially in vulnerable populations like the elderly and those with weakened immune systems, leading to challenges due to drug resistance and side effects of current treatments.
  • - Researchers found that moxidectin, an antiparasitic drug, enhances the effectiveness of existing antifungal drugs called polyenes by activating the ergosterol biosynthesis pathway in Candida albicans, which is crucial for the fungi's survival.
  • - In experiments, moxidectin combined with low doses of polyenes significantly reduced Candida albicans infection and inflammation in a mouse model, indicating its potential as a promising treatment option in clinical practice.
View Article and Find Full Text PDF

Coherent phonon modes supported by plasmonic nanoparticles offer prospective applications in chemical and biological sensing. Whereas the characterization of these phonon modes often requires single-particle measurements, synthetic routes to narrow size distributions of nanoparticles permit ensemble investigations. Recently, the synthesis of highly monodisperse gold tetrahedral nanoparticles with tunable edge lengths and corner sharpnesses has been developed.

View Article and Find Full Text PDF

Nanotechnology has provided novel modalities for the delivery of therapeutic and diagnostic agents. In particular, nanoparticles (NPs) can be engineered at a low cost for drug loading and delivery. For example, silica NPs have proven useful as a controlled release platform for anti-inflammatory drugs.

View Article and Find Full Text PDF

Dental caries, as a biofilm-related disease, is closely linked to dysbiosis in microbial ecology within dental biofilms. Beyond its impact on oral health, bacteria within the oral cavity pose systemic health risks by potentially entering the bloodstream, thereby increasing susceptibility to bacterial endocarditis, among other related diseases. , a principal cariogenic bacterium, possesses virulence factors crucial to the pathogenesis of dental caries.

View Article and Find Full Text PDF

In this meta-analysis, we investigated C-reactive protein (CRP)'s role in glioma prognosis prediction. We conducted the current meta-analysis in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines for systematic reviews and meta-analyses. An analysis of the prognostic effect of CRP on glioma was conducted using combined hazard ratios (HRs) and 95% confidence intervals (CIs).

View Article and Find Full Text PDF

We explore the potential of nanocrystals (a term used equivalently to nanoparticles) as building blocks for nanomaterials, and the current advances and open challenges for fundamental science developments and applications. Nanocrystal assemblies are inherently multiscale, and the generation of revolutionary material properties requires a precise understanding of the relationship between structure and function, the former being determined by classical effects and the latter often by quantum effects. With an emphasis on theory and computation, we discuss challenges that hamper current assembly strategies and to what extent nanocrystal assemblies represent thermodynamic equilibrium or kinetically trapped metastable states.

View Article and Find Full Text PDF

Construction of complex molecular skeletons with ubiquitous chemical feedstocks in a single transformation is highly appealing in organic synthesis. We report a novel visible-light-induced three-component reaction for the construction of complex 2,4,5-trisubstituted oxazoles, which are valuable in medicinal chemistry, from simple and readily available iodonium-phosphonium hybrid ylides, carboxylic acids, and nitriles. This reaction features a carbenic phosphorus-nitrile hybrid ylide formation/trapping cascade, in which a photo-generated α-phosphonium carbene acts as a sequence trigger.

View Article and Find Full Text PDF

Electroreduction of CO into liquid fuels is a compelling strategy for storing intermittent renewable energy. Here, we introduce a family of facet-defined dilute copper alloy nanocrystals as catalysts to improve the electrosynthesis of -propanol from CO and HO. We show that substituting a dilute amount of weak-CO-binding metals into the Cu(100) surface improves CO-to--propanol activity and selectivity by modifying the electronic structure of catalysts to facilitate C-C coupling while preserving the (100)-like 4-fold Cu ensembles which favor C-C coupling.

View Article and Find Full Text PDF

Cu is an inexpensive alternative plasmonic metal with optical behaviour comparable to Au but with much poorer environmental stability. Alloying with a more stable metal can improve stability and add functionality, with potential effects on the plasmonic properties. Here we investigate the plasmonic behaviour of Cu nanorods and Cu-CuPd nanorods containing up to 46 mass percent Pd.

View Article and Find Full Text PDF
Article Synopsis
  • DNA methylation is an important epigenetic mechanism that impacts the functions of dental-derived mesenchymal stem cells (DMSCs), which have the ability to self-renew and differentiate into various cell types.
  • This review summarizes research on how DNA methylation influences DMSCs in tissue engineering, focusing primarily on their roles in osteogenesis, adipogenesis, and immune function.
  • Despite significant findings, the majority of studies concentrate on dental pulp stem cells (DPSCs) and periodontal ligament stem cells (PDLSCs), with limited research on other types of DMSCs.
View Article and Find Full Text PDF

Candida albicans is the most abundant fungal species in oral cavity. As a smart opportunistic pathogen, it increases the virulence by switching its forms from yeasts to hyphae and becomes the major pathogenic agent for oral candidiasis. However, the overuse of current clinical antifungals and lack of new types of drugs highlight the challenges in the antifungal treatments because of the drug resistance and side effects.

View Article and Find Full Text PDF

The self-assembly of shape-anisotropic nanocrystals into large-scale structures is a versatile and scalable approach to creating multifunctional materials. The tetrahedral geometry is ubiquitous in natural and manmade materials, yet regular tetrahedra present a formidable challenge in understanding their self-assembly behavior as they do not tile space. Here, we report diverse supracrystals from gold nanotetrahedra including the quasicrystal (QC) and the dimer packing predicted more than a decade ago and hitherto unknown phases.

View Article and Find Full Text PDF
Article Synopsis
  • CO reduction (COR) can store energy from renewable sources using efficient electrocatalysts like CuSnS nanoplates.
  • These nanoplates, particularly with thiocyanate ligands, demonstrate a remarkable formate Faradaic efficiency of 92% and high current densities in tests.
  • The study reveals that the high selectivity for formate comes from specific interactions between the materials' surface sites and reaction intermediates, paving the way for innovative electrocatalyst development.
View Article and Find Full Text PDF

Crystallization is a universal phenomenon underpinning many industrial and natural processes and is fundamental to chemistry and materials science. However, microscopic crystallization pathways of nanoparticle superlattices have been seldom studied mainly owing to the difficulty of real-time observation of individual self-assembling nanoparticles in solution. Here, using in situ electron microscopy, we directly image the full self-assembly pathway from dispersed nanoparticles into ordered superlattices in nonaqueous solution.

View Article and Find Full Text PDF
Article Synopsis
  • Polyhedron packings, particularly synthetic tetrahedra, have been a long-standing area of fascination, but their phase behaviors are not yet fully understood due to limited available materials.
  • This study showcases the complex formations achievable with gold nanotetrahedra, where scientists manipulate nanocrystal interactions through surface modifications and assembly conditions to create various two- and three-dimensional structures.
  • The findings present a new methodology for designing superstructures using tetrahedral blocks, which may lead to advancements in the self-assembly and phase behavior studies of colloidal particles.
View Article and Find Full Text PDF
Article Synopsis
  • * Synthesizing nanocrystals with specific structures enhances catalysis by improving efficiency in CO reduction reactions (CORR), but their performance is often evaluated in averaged groups rather than individually.
  • * This study uses advanced microscopy to analyze the performance of individual gold nanocrystals, revealing that certain structures (like {110}-terminated rhombohedra) are more effective in catalyzing CO reduction at low energy inputs.
View Article and Find Full Text PDF

Malaria, caused by Plasmodium, is a global life-threatening infectious disease. However, the dynamic interactions between intestinal microbiota and host immunity during the infections are still unclear. Here, we investigated the change of intestinal microbiome and transcriptome during Plasmodium yoelii infection in mice.

View Article and Find Full Text PDF

Genome editing technology has progressed rapidly in recent years. Although traditional gene-editing methods, including homologous recombination, zinc finger endonucleases, and transcription activator-like effector nucleases, have substantial implications for research in genetics and molecular biology, but they have remarkable limitations, including their low efficiency, high error rate, and complex design. A new gene-editing technology, the CRISPR/Cas system, was developed based on studies of archaeal and bacterial immune responses to viruses.

View Article and Find Full Text PDF
Article Synopsis
  • Vanadium dioxide (VO) is an undervalued plasmonic material that can change from a metal to an insulator, which opens up new research opportunities.
  • The study introduces a technique to adjust the surface plasmon properties of VO by changing its atomic structure, achieving impressive tunability of its resonance energy (0.66-1.16 eV) and temperature range (40-100 °C).
  • The findings indicate that VO has promising applications in areas like energy-efficient smart windows, wearable camouflage tech, and secure ink for encryption.
View Article and Find Full Text PDF

While extensive studies of virus capsid assembly in environments mimicking conditions have led to an understanding of the thermodynamic driving forces at work, applying this knowledge to virus assembly in other solvents than aqueous buffers has not been attempted yet. In this study, Brome mosaic virus (BMV) capsid proteins were shown to preserve their self-assembly abilities in an aprotic polar solvent, dimethyl sulfoxide (DMSO). This facilitated protein cage encapsulation of nanoparticles and dye molecules that favor organic solvents, such as β-NaYF-based upconversion nanoparticles and BODIPY dye.

View Article and Find Full Text PDF
Article Synopsis
  • Single entity electrochemical (SEE) studies require isolated nanoparticles, which are achieved through electrospray deposition of colloidal nanoparticle solutions.
  • Three electrospray parameters—spray distance, current, and emitter tip diameter—affect the deposition of single gold nano-octahedra (Au ODs).
  • Optimal conditions resulted in a local surface density of 0.26 single particles per μm and a high success rate of 96.3% for single Au OD deposition.
View Article and Find Full Text PDF

Ligands play a central role for the energetics and kinetics of nanocrystal assembly. Yet, the precise and simultaneous manipulation of ligands to dictate assembly outcome has proven difficult. Here, we present macromolecular ligand-engineering strategies to control, characterize, and model four molecular parameters of grafted polymer chains: chain length, chain dispersity, grafting density, and chain distribution.

View Article and Find Full Text PDF

The mixed species of and can cause infections on skin, mucosa or bloodstream; however, mechanisms of their cross-kingdom interactions related to pathogenesis and drug resistance are still not clear. Here an increase of proliferation and biofilm formation was observed in and dual-species culture, and the synergistic pathogenic effect was then confirmed in both local (cutaneous abscess) and systemic infection (peritonitis) murine models. According to the transcriptome analysis of the dual-species culture, virulence factors of were significantly upregulated.

View Article and Find Full Text PDF

, which can cause superficial and life-threatening systemic infections, is the most common opportunistic fungal pathogen in the human microbiome. The two-component system is one of the most important signal transduction pathways, regulating the response to oxidative and osmotic stresses, adhesion, morphogenesis, cell wall synthesis, virulence, drug resistance, and the host-pathogen interactions. Notably, some components of this signaling pathway have not been found in the human genome, indicating that the two-component system of can be a potential target for new antifungal agents.

View Article and Find Full Text PDF