The oxidative potential (OP) of particulate matter (PM) is crucial for understanding its ability to generate reactive oxygen species. However, the major chemical drivers influencing OP still need to be better understood. This study investigated the seasonal variations of OP and identified key drivers and source mechanisms in the industrial city of Zibo, located in North China Plain.
View Article and Find Full Text PDFThis study presents a cutting-edge imaging technique for special unmanned vehicles (UAVs) designed to enhance tunnel inspection capabilities. This technique integrates ghost imaging inspired by the human visual system with lateral inhibition and variable resolution to improve environmental perception in challenging conditions, such as poor lighting and dust. By emulating the high-resolution foveal vision of the human eye, this method significantly enhances the efficiency and quality of image reconstruction for fine targets within the region of interest (ROI).
View Article and Find Full Text PDFChromatin remodeling plays a pivotal role in the progression of esophageal squamous cell carcinoma (ESCC), but the precise mechanisms remain poorly understood. Here, we elucidated the critical function of staphylococcal nuclease and tudor domain-containing 1 (SND1) in modulating chromatin dynamics, thereby driving ESCC progression in both in vitro and in vivo models. Our data revealed that SND1 was markedly overexpressed in ESCC cell lines.
View Article and Find Full Text PDFGraphdiyne (GDY) alone as a photocatalyst is unsatisfactory because of its low crystallinity, limited regulation of the band gap, weak photogenerated charge separation, , and heterojunctioning with other materials is necessary to activate the photocatalytic activity of GDY. Through elaborate design, a diacetylene-rich linker (S2) was prepared and employed to construct a crystalline and structurally well-defined GDY-like covalent organic framework (COF, namely S2-TP COF) which merges the merits of both COF and GDY to boost the photocatalytic hydrogen evolution reaction (HER). By theoretical prediction on the donor-acceptor (D-A) pair, two other monoacetylene-bridged COFs (S1-TP COF and S3-TP COF) were prepared for comparison.
View Article and Find Full Text PDFMalignant fibrous histiocytoma (MFH) is a malignancy originating from soft tissues and ranks among the most prevalent soft tissue sarcomas in adults. The considerable complexity and heterogeneity of MFH contribute to an obscure pathogenesis, presenting with atypical clinical manifestations and pathologic features that complicate the clinical diagnostic process. Typically, MFH manifests in the extremities, trunk, and retroperitoneum, while occurrences in the head and neck regions are exceedingly rare.
View Article and Find Full Text PDFSuppressing the lithium polysulfide (LiPS) shuttling as well as accelerating the conversion kinetics is extremely crucial yet challenging in designing sulfur hosts for lithium-sulfur (Li-S) batteries. Phase engineering of nanomaterials is an intriguing approach for tuning the electronic structure toward regulating phase-dependent physicochemical properties. In this study, a metastable phase δ-MoC catalyst was elaborately synthesized via a boron doping strategy, which exhibited a phase transfer from hexagonal to cubic structure.
View Article and Find Full Text PDFObjective: To investigate the relationship and potential pathways between metal(loid) exposure and the risk of polycystic ovary syndrome (PCOS) in women of childbearing age.
Methods: This case-control study included 200 patients with PCOS (cases) and 896 non-PCOS controls with the age of 25-37 years. The concentrations of 29 metal(loid)s in the follicular fluid (FF) and clinical indicators in the serum were measured in all participants.
The previously reported hydrogel assemblies carry bulky shapes, for which the unitary assembly form immensely restricted further applications. Yet there are abundant natural examples of network-shaped assemblies constructed by animals, of which it is brought up inspirations for constructing hydrogel assemblies. Herein, the network-shaped assemblies with diverse functions are reported.
View Article and Find Full Text PDFAim: To examine the immune responses in patients diagnosed as grade C periodontitis during orthodontic treatment.
Materials And Methods: Our study included seven orthodontic patients with grade C periodontitis and measured their levels of inflammatory cytokines in gingival crevicular fluid and plasma before orthodontic treatment, during the alignment and levelling phase, and during the detailing and finishing phase. The key signal pathways in the orthodontic process of patients with periodontitis were detected by KEGG analysis.
Maize, belonging to the Poaceae family and the L. genus, stands as an excellent food crop. The plant type has a significant impact on crop growth, photosynthesis, lodging resistance, planting density, and final yield.
View Article and Find Full Text PDFPrevious studies have reported that a potential association between exposure to outdoor light at night (LAN) and diseases. However, there is no evidence regarding the impacts of outdoor LAN exposure on lipid metabolism in humans. This study aims to evaluate the associations between outdoor LAN exposure and the prevalence of dyslipidemia, using a nationwide sample of 10,894 adults aged ≥ 45 years from 150 investigated sites across China in 2011-2012.
View Article and Find Full Text PDFBackground And Objective: Predicting post-operative flow is essential for assessing the risk of adverse events in cerebrovascular stenosis patients following endovascular treatment (EVT). This study aimed to evaluate the accuracy of the CFD simulation model in predicting post-operative velocity, flow and pressure distal to a stenosis, based on cerebrovascular microcirculatory resistance.
Methods: The patient-specific models of the extracranial and intracranial arteries were reconstructed.
Solid-state nuclear magnetic resonance (ssNMR) is indispensable for studying the structures, dynamics, and interactions of insoluble proteins in native or native-like environments. While ssNMR includes numerous nonselective techniques for general analysis, it also provides various selective methods that allow for the extraction of precise details about proteins. This perspective highlights three key aspects of selective methods: selective signals of protein segments, selective recoupling, and site-specific insights into proteins.
View Article and Find Full Text PDFEvidence for effects of PM chemical constituent exposures during the periovulatory period on pregnancy complications was limited. We explored the associations of maternal PM and constituent exposures from the 12th week before to 4th week after ovulation with human clinically recognized early pregnancy loss (CREPL). From July 2017 to January 2024, 828 CREPL and 828 normal early pregnancy (NEP) participants were recruited in Tianjin, China.
View Article and Find Full Text PDFTo understand the levels of PAHs and ecological risks to the marine environment in Laizhou Bay and Bohai Bay, 33 sediment samples were collected in the region for analysis. PAH concentrations ranged from 98.22 ng·g (dw) to 239.
View Article and Find Full Text PDFBlack carbon (BC) aerosol can lead to adverse health effects and drive climate change; therefore, the characteristic research and identification of BC sources are essential for lowering emissions. In this study, equivalent black carbon (eBC) measurement was performed using a seven-wavelength Aethalometer (AE33) at an urban site in a typical industrial city (Zibo) of Northern China for the first time. The monitoring was performed from February 2021 to January 2022.
View Article and Find Full Text PDFJ Mater Chem C Mater
September 2024
Incorporating bipyridine units into the matrix of conjugated microporous polymers (CMPs) boosts exciton dissociation, charge separation, and oxidation capacity. Consequently, the bipyridine-modified CMPs exhibit an impressive U(VI) separation rate (404 μmol g h) under sacrificial agent-free conditions, outperforming the results of its counterparts without bipyridine units and other documented CMPs.
View Article and Find Full Text PDFThis study investigated the occurrence status, sources, and risk assessment of polycyclic aromatic hydrocarbons (PAHs) in sediments from three typical mangrove areas in Guangxi Province, China. Results showed that the PAH content in the three studied regions ranged from 39.76 ng·g to 164.
View Article and Find Full Text PDFUrinary polycyclic aromatic hydrocarbon (PAH) metabolites are associated with oxidative stress; however, epidemiological studies have not reported the impacts of these urinary PAH metabolites on blood lipid levels. This study investigated the relationship between urinary PAH metabolites, urinary 8-hydroxy-2'-deoxyguanosine (8-OHdG), and blood lipid profiles. A total of 109 elderly volunteers were recruited with complete datasets for analysis.
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