Publications by authors named "Ma Z"

Background: We conducted a systematic review and meta-analysis to assess the risk of respiratory adverse effects in patients with solid tumors treated with immune checkpoint inhibitors (PD-1, PD-L1 and CTLA-4 inhibitors) in combination with radiation therapy.

Methods: We selected eligible studies through the following databases: PubMed, Embase, Cochrane Library, and Clinicaltrials ( https://clinicaltrials.gov/ ).

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Background And Objectives: US children experience lead poisoning, which has detrimental health effects and significant individual and societal costs. This study aimed to describe the sociodemographic and hospitalization characteristics of children hospitalized for lead poisoning and assess the proportion of inpatients who received blood lead testing and appropriate follow-up testing before hospitalization.

Methods: 2015-2021 hospital discharge data were linked to lead surveillance data for Pennsylvania children aged 0 to 5 years.

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Article Synopsis
  • Various bovine viruses like BToV, BEV, BNoV, BCoV, BRV, and BVDV are major causes of diarrhea in calves and pose challenges in terms of prevention and control.
  • In a study of 295 calf diarrhea samples from Guangdong Province, the overall viral positivity rate was found to be 21.36%, with the highest rates in Foshan and Guangzhou cities.
  • The study marks the first detection of BToV and BNoV in this region and reveals significant genetic similarities among the viral strains, indicating connections to epidemic strains found in other provinces of China.
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Inflammation and angiogenesis, the major pathological changes of osteoarthritis (OA), are closely associated with joint pain; however, pertinent signalling interactions within subchondral bone of osteoarthritic joints and potential contribution to the peripheral origin of OA pain remain to be elucidated. Herein we developed a unilateral anterior crossbite mouse model with osteoarthritic changes in the temporomandibular joint. Microarray-based transcriptome analysis, besides quantitative real-time polymerase chain reaction, was performed to identify differentially expressed genes (DEGs).

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Background: Pancreatic cancer, a formidable gastrointestinal neoplasm, is characterized by its insidious onset, rapid progression, and resistance to treatment, which often lead to a grim prognosis. While the complex pathogenesis of pancreatic cancer is well recognized, recent attention has focused on the oncogenic roles of senescent tumor-associated fibroblasts. However, their precise role in pancreatic cancer remains unknown.

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Five/six-membered benzolactams are significant blocks in both organic and medicinal chemistry. Achieving 5/6-membered benzolactams from the same starting compound under varying reaction conditions presents a significant challenge. Herein, palladium-catalyzed free amine-oriented regioselective C-H activations/carbonylations mediated by hexacarbonylmolybdenum, leading to diverse sizes of benzolactams, respectively, have been developed.

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The development of flexible ITO-free devices is crucial for the industrial advancement of organic photovoltaic (OPV) technology. Here, a novel ITO-free device architecture is proposed, and ITO-free OPV devices are realized on glass substrates with performance comparable to that of ITO-based devices. It is also demonstrated that the performance of ITO-free devices on polyethylene terephthalate (PET) substrates is limited due to the higher surface roughness of PET, leading to high voltage losses, low device quantum efficiency, and high device leakage current.

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Translating high-performance organic solar cell (OSC) materials from spin-coating to scalable processing is imperative for advancing organic photovoltaics. For bridging the gap between laboratory research and industrialization, it is essential to understand the structural formation dynamics within the photoactive layer during printing processes. In this study, two typical printing-compatible solvents in the doctor-blading process are employed to explore the intricate mechanisms governing the thin-film formation in the state-of-the-art photovoltaic system PM6:L8-BO.

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Metabolism has been implicated in cell fate determination, particularly through epigenetic modifications. Similarly, lipid remodeling also plays a role in regulating cell fate. Here, we present comprehensive lipidomics analysis during BMP4-driven primed to naive pluripotency transition or BiPNT and demonstrate that lipid remodeling plays an essential role.

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This paper addresses the challenge of low detection accuracy of grape clusters caused by scale differences, illumination changes, and occlusion in realistic and complex scenes. We propose a multi-scale feature fusion and augmentation YOLOv7 network to enhance the detection accuracy of grape clusters across variable environments. First, we design a Multi-Scale Feature Extraction Module (MSFEM) to enhance feature extraction for small-scale targets.

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Article Synopsis
  • The study introduces a simple and low-temperature method (60 °C) to synthesize environmentally friendly silver-gold-sulfur (AgAuS) nanocrystal solar cells, overcoming the complexity and high temperatures of previous methods.
  • The AgAuS nanocrystals show broad absorption spectra and high extinction coefficients, making them suitable for use in solar cells.
  • By utilizing a hybrid mixture at the interface of the solar cells, the research achieves a power conversion efficiency of 3.38%, illustrating the potential of AgAuS nanocrystals in clean energy technology.
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Aurantii Fructus (AF) and Aurantii Fructus Immaturus (AFI) are distinct herbs outlined by the Chinese Pharmacopoeia. They are sourced from the same plant but harvested at different times, resulting in differences in efficacy. It is important to avoid mixing them clinically and to distinguish between the two.

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ADP-ribosylation is a highly dynamic and fully reversible post-translational modification performed by poly(ADP-ribose) polymerases (PARPs) that modulates protein function, abundance, localization and turnover. Here we show that influenza A virus infection causes a rapid and dramatic upregulation of global ADP-ribosylation that inhibits viral replication. Mass spectrometry defined for the first time the global ADP-ribosylome during infection, creating an infection-specific profile with almost 4,300 modification sites on ~1,080 host proteins, as well as over 100 modification sites on viral proteins.

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Background: Stroke remains a leading cause of disability globally and movement impairment is the most common complication in stroke patients. Resting-state electroencephalography (EEG) microstate analysis is a non-invasive approach of whole-brain imaging based on the spatiotemporal pattern of the entire cerebral cortex. The present study aims to investigate microstate alterations in stroke patients.

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In the United States, hundreds of thousands of undocumented orphan wells have been abandoned, leaving the burden of managing environmental hazards to governmental agencies or the public. These wells, a result of over a century of fossil fuel extraction without adequate regulation, lack basic information like location and depth, emit greenhouse gases, and leak toxic substances into groundwater. For most of these wells, basic information such as well location and depth is unknown or unverified.

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Left bundle branch pacing (LBBP) is an emerging physiological pacing technique that expanded in recent reports. The long-term safety and feasibility of LBBP lack adequate evaluation.The study aimed to evaluate the long-term lead performance and clinical outcomes of LBBP.

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Article Synopsis
  • Hydrogels with rapid wound-healing and antimicrobial properties are attracting interest, but creating a multifunctional hydrogel that can self-assemble and self-heal remains challenging.
  • The study developed an innovative hydrogel inspired by silkworm cocoons, utilizing a cross-linking method and incorporating silver nanoparticles to enhance antimicrobial effects.
  • Results showed that the hydrogel not only improved mechanical properties and water absorption but also significantly reduced inflammation and bacterial growth, leading to effective wound healing in test subjects.
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Extremely limited organic carbon sources and aerobic environment in micro-polluted reservoir water make conventional denitrification exceptionally challenging. As a result, total nitrogen (TN) concentration in most reservoir waters exceeds standard value year-round. In this study, for the first time, we constructed a mini water-lifting and aeration system (mini-WLAS) to remove nitrate in actual reservoir water.

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This study aims to explore the regulating effect and mechanism of naringenin (NGN) on the hepatic stellate cells (HSCs) apoptosis and its preventive effects on MASH fibrosis. C57BL/6 mice were subjected to either high-fat diet (HFD) plus carbon tetrachloride (CCl) injection (HFD + CCl) for 8 weeks to induce a MASH fibrosis model or bile duct ligation (BDL) to establish a liver fibrosis model, NGN was administered by gavage. LX2 cells were stimulated by oleic acid (OA) and lipopolysaccharide (LPS) (OA + LPS) to study the effects of NGN on activated hepatic stellate cell (HSC).

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Article Synopsis
  • - The study investigates how sodium butyrate may protect against liver damage caused by excessive fluoride exposure, focusing on its effects on liver inflammation and the NLRP3 inflammasome.
  • - Mice were divided into four groups to assess the impact of sodium fluoride and sodium butyrate over three months, using various methods to analyze liver inflammation and injury.
  • - Results showed that fluoride exposure resulted in chronic inflammation and oxidative stress in the liver, while sodium butyrate treatment reduced these damaging effects and lowered inflammatory markers.
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Wearable electronics have significantly advanced the development of highly stretchable strain sensors, which are essential for applications such as health monitoring, human-machine interfaces, and energy harvesting. Fiber-based sensors and polymeric materials are promising due to their flexibility and tunable properties, although balancing sensitivity and stretchability remains a challenge. This study introduces a novel composite strain sensor that combines poly(3-hexylthiophene) and tetrafluoro-tetracyanoquinodimethane to form a charge-transfer complex (CTC) with carbon nanotubes (CNTs) on a styrene-butadiene-styrene substrate.

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The popularity of online shopping in China has increased significantly, creating new development opportunities for the express delivery industry. However, the rapid expansion of the express industry has also created challenges in the parcel sorting process. The demanding nature of parcel sorting work, which is characterized by intense and prolonged repetitive tasks, makes individuals particularly vulnerable to the effects of fatigue.

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  • Recent advancements in visual SLAM technology have improved accuracy, but current RGB-D systems struggle with measurement errors from depth cameras when estimating 3D positions of feature points.
  • The paper proposes a method called CI-TEDM, which combines ORB features, triangulation uncertainty, and depth measurement uncertainty using a Covariance Intersection filter to enhance position estimation.
  • An improved CI-TEDM method integrates wheel encoder data to address tracking issues in difficult environments, leading to a robust visual-inertial RGB-D SLAM system that improves localization accuracy in real-time applications.
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  • Long-term radiation exposure disrupts hematopoietic and immune functions, prompting research into ferulic acid (FA) as a potential radioprotective agent.
  • In a study with C57BL/6J mice, FA showed a significant ability to improve blood cell counts and hematopoietic progenitors while reducing harmful markers related to oxidative stress and inflammation.
  • Transcriptome analysis revealed that FA counteracts radiation-induced changes in immune-related genes, suggesting it protects against damage by modulating the JAK/STAT signaling pathway.
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The field of laser fabrication technologies has seen remarkable advancements in recent years [...

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