233,661 results match your criteria: "P.R.China;Sports Medicine Engineering Technology Research Center of Guangdong Province[Affiliation]"

Objective: Little is known about the role of timing of physical activity in female reproductive disorders. These disorders include polycystic ovary syndrome (PCOS), heavy menstrual bleeding (HMB), endometriosis, infertility, and pregnancy-related disorders. This study aims to investigate the associations of activity patterns with female reproductive diseases.

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Amplification Bias-Free Sequence-Generic Exponential Amplification Reaction.

Anal Chem

January 2025

State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China.

Despite the unique advantage of the isothermal exponential amplification reaction (EXPAR) for the rapid detection of short nucleic acids, it severely suffers from the drawback of sequence-dependent amplification bias, mainly arising from the secondary structures of the EXPAR template under the commonly used reaction temperature (55 °C). As such, the limits of detection (LOD) for different target sequences may vary considerably from aM to nM. Here we report a sequence-generic exponential amplification reaction (SG-EXPAR) that eliminates sequence-dependent amplification bias and achieves similar amplification performance for different targets with generally sub-fM LODs.

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Sorghum (Sorghum bicolor) is an important food and feed crop. Root-lesion nematodes (Pratylenchus spp.) are a group of pathogenic nematodes that cause severe economic losses in various food and cash crops.

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Background: Obesity is a significant risk factor for severe acute pancreatitis (SAP) and is typically associated with increased intestinal permeability. Understanding the role of specific molecules can help reduce the risk of developing SAP. Claudin 11 (CLDN11), a member of the Claudin family, regulates the permeability of various internal barriers.

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Objective: This study aims to investigate the impact of subclinical hypothyroidism (SCH) during pregnancy on mitochondrial DNA (mtDNA) methylation in the brain tissues of rat offspring.

Materials And Methods: Sixteen SD rats were randomly divided into two groups: control group (CON) and SCH group. BS-seq sequencing was used to analyze mtDNA methylation levels in the offspring's brain tissues; the 2,7-dichlorofluorescin diacetate (DCFH-DA) probe method was employed to detect reactive oxygen species (ROS) levels in brain tissues; electron microscopy was utilized to observe the mitochondrial structure in the hippocampal tissues of the offspring.

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Preparation of CHS-FeO@@ZIF-8 peroxidase-mimic with an ultra-thin hollow layer for ultrasensitive electrochemical detection of kanamycin.

Mikrochim Acta

January 2025

Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, P. R. China.

A highly sensitive and selective electrochemical biosensor was developed for the detection of kanamycin using a core-hollow-shell structured peroxidase-mimic nanozyme, CHS-Fe₃O₄@@ZIF-8. The synthesized CHS-FeO@@ZIF-8 was characterized with scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. It was found that the CHS-FeO@@ZIF-8 exhibits excellent peroxidase-like activity due to  its ultra-thin hollow layer.

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Bibliometric analysis of liposarcomas treatment from 2004 to 2023.

J Cancer Res Clin Oncol

January 2025

Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Hepato-Pancreato-Biliary Surgery, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China.

Background: Liposarcomas are mesenchymal malignant tumors characterized by varying degrees of adipocytic differentiation that comprises approximately 20% of soft tissue sarcomas. Despite advancements in this field, there remains a need for a comprehensive understanding of the mechanisms, diagnosis, and treatment of liposarcomas. Currently, there is a lack of bibliometric surveys on the development trajectory of liposarcomas treatment, research hotspots, and author and team collaboration.

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Aptamer-antibody sandwich immunosensor for electrochemical detection of FT4.

Mikrochim Acta

January 2025

College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang, 050018, P. R. China.

An aptamer-antibody sandwich electrochemical immunosensor was studied. FeO/MWCNTs-COOH/Nafion was modified and fixed on a glassy carbon electrode to amplify electrical signals. The antibody was coupled with AuNPs to form conjugates.

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Genomic and transcriptomic insights into vitamin A-induced thermogenesis and gene reuse as a cold adaptation strategy in wild boars.

Commun Biol

January 2025

National Key Laboratory for Swine genetic improvement and production technology, Ministry of Science and Technology of China, Jiangxi Agricultural University, Nanchang, Jiangxi Province, P.R. China.

Wild boars inhabit diverse climates, including frigid regions like Siberia, but their migration history and cold adaptation mechanisms into high latitudes remain poorly understood. We constructed the most comprehensive wild boar whole-genome variant dataset to date, comprising 124 samples from tropical to frigid zones, among which 47 Russian, 8 South Chinese and 3 Vietnamese wild boars were newly supplemented. We also gathered 75 high-quality RNA-seq datasets from 10 tissues of 6 wild boars from Russia and 6 from southern China.

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Foam ceramics are widely used in industrial applications due to their unique properties, including high porosity, lightweight, and high-temperature resistance. However, their complex microstructure presents significant challenges for image analysis. Traditional machine learning methods often fall short in capturing both global feature dependencies and detailed representations.

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Design of asymmetric electrolytes for aqueous zinc batteries.

Commun Chem

January 2025

Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, 999077, P. R. China.

Aqueous Zn batteries are gaining increasing research attention in the energy storage area due to their intrinsic safety, potentially low cost and environmental friendliness; however, the zinc dendrite formation, zinc corrosion, passivation and the hydrogen evolution reaction induced by water at the anode side, and materials dissolution as well as intrinsic poor reaction kinetics at cathode side in aqueous systems, seriously shorten the cycling life and decrease energy density of batteries and greatly hinder their development. Recent advancements in asymmetric electrolytes with various functions are promising to overcome such challenges for zinc batteries at the same time. It has been proved that the applications of asymmetric electrolytes show significant contributions in the field of zinc-based batteries in suppressing side reactions while maintaining electrochemical performance to satisfy both anode and cathode.

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Biological materials, such as bamboo, are naturally optimized composites with exceptional mechanical properties. Inspired by such natural composites, traditional methods involve extracting nanofibers from natural sources and applying them in composite materials, which, however, often results in less ideal mechanical properties. To address this, this study develops a bottom-up nanofiber assembly strategy to create strong fiber-reinforced composite hydrogels inspired by the hierarchical assembly of bamboo.

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COFcap2, a recyclable tandem catalysis reactor for nitrogen fixation and conversion to chiral amines.

Nat Commun

January 2025

State Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin, 300071, P.R. China.

Two or more catalysts conducting multistep reactions in the same reactor, concurrent tandem catalysis, could enable (bio)pharmaceutical and fine chemical manufacturing to become much more sustainable. Herein we report that co-immobilization of metal nanoparticles and a biocatalytic system within a synthetic covalent organic framework capsule, COFcap-2, functions like an artificial cell in that, whereas the catalysts are trapped within 300-400 nm cavities, substrates/products can ingress/egress through ca. 2 nm windows.

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Interaction between Hydrogen and Magnesium Films: From Hydrogenochromism to Applications.

ACS Appl Mater Interfaces

January 2025

National Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composite, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.

Hydrogen, as a promising clean energy carrier, underscores the critical need for reliable detection technologies to ensure its safe and efficient use. Magnesium (Mg) thin films, with their hydrogenochromic properties, are particularly well-suited for hydrogen sensing applications due to their dramatic optical transitions. However, practical implementation faces challenges in achieving both rapid response and durability under cyclic conditions.

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Plant secondary metabolites against biotic stresses for sustainable crop protection.

Biotechnol Adv

January 2025

State Key Laboratory for Crop Gene Resources and Breeding/Key Laboratory for Grain Crop Genetic Resources Evaluation and Utilization, Ministry of Agriculture and Rural Affairs, P.R. China, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China. Electronic address:

Sustainable agriculture practices are indispensable for achieving a hunger-free world, especially as the global population continues to expand. Biotic stresses, such as pathogens, insects, and pests, severely threaten global food security and crop productivity. Traditional chemical pesticides, while effective, can lead to environmental degradation and increase pest resistance over time.

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Background: Malnutrition is significantly associated with unfavorable outcomes, but the relevant prognostic assessment is not emphasized in patients who have osteonecrosis of the femoral head (ONFH). This study aimed to assess the association between preoperative nutritional status evaluated by the prognostic nutritional index (PNI) and walking independence at one year postoperatively in patients who have ONFH undergoing primary total hip arthroplasty (THA).

Methods: This was a retrospective analysis of prospectively collected data from patients admitted to a tertiary referral hospital who had ONFH and underwent primary unilateral THA from October 30, 2014 to April 26, 2019.

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Optimizing Predictive Models for Postoperative Shoulder Stiffness : Implications for Clinical Management and Rehabilitation Strategies.

Arthroscopy

January 2025

The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650500, P.R. China,The First People's Hospital of Yunnan Province,he Key Laboratory of Digital Orthopaedics of Yunnan Province, the Clinical Medicine Center of Spinal and Spinal Cord Disorders of Yunnan Province. Kunming, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming 650500, P.R. China,The First People's Hospital of Yunnan Province,he Key Laboratory of Digital Orthopaedics of Yunnan Province, the Clinical Medicine Center of Spinal and Spinal Cord Disorders of Yunnan Province. Kunming, China. Electronic address:

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Regioselective 1,4-Addition of P(O)-H Species to In SituFormed 1-Benzopyrylium Ion from C3-Substituted 2-Chromene Hemiketals to Construct C3-Functionalized C4-Phosphorylated 4-Chromenes.

J Org Chem

January 2025

Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, 2025 Chengluo Avenue, Chengdu 610016, P.R. China.

Herein, we report the first example that P(O)-H species including -phosphonates and -phosphine oxides could participate in a highly regioselective 1,4-addition to in situ generated 1-benzopyrylium ion from C3-substituted 2-chromene hemiketals, which provides a brand-new and effective approach for the synthesis of C4-phosphorylated 4-chromenes with diverse C3-functionality (ketone, ester, sulfonyl, aryl, and alkyl groups). In total, the reaction features the use of inexpensive Zn(ClO)·6HO as a catalyst, low catalyst loading (only 5 mol %), mild reaction conditions (60 °C, 10 min to 24 h), and broad substrate scope (46 examples) as well as good to high yields (>90% yield on average). More importantly, mechanistic experiments demonstrated the essential role of the C3-substituent on 2-chromene hemiketals in stabilizing the in situ generated 1-benzopyrylium ion and the regioselective 1,4-addition control.

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Correlative Raman-Voltage Microscopy Revealing the Localized Structure-Stress Relationship in Silicon Solar Cells.

ACS Nano

January 2025

Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China.

Knowledge of localized strain at the micrometer scale is essential for tailoring the electrical and mechanical properties of ongoing thinning of crystal silicon (c-Si) solar cells. Thinning c-Si wafers below 110 m are susceptible to cracking in manufacturing due to the nonuniform stress distribution at a micrometer region, necessitating a rigorous technique to reveal the localized stress distribution correlating with its device electrical output. In this context, a Raman microscopy integrated with a photovoltage mapping setup with high resolution to the submicrometer scale is developed to acquire correlative Raman-voltage of the localized physical properties at the microcracks on the rear side of c-Si solar cells.

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Superconductor-Insulator Transition Induced by Precise Subtripled Vapor Chemical Gating.

J Am Chem Soc

January 2025

State Key Laboratory of Precision and Intelligent Chemistry, CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.

Recent progress in superconductor-insulator transition has shed light on the intermediate metallic state with unique electronic inhomogeneity. The microscopic model, suggesting that carrier spatial distribution plays a decisive role in the intermediate state, has been instrumental in understanding the quantum transition. However, the narrow carrier density window in which the intermediate state exists necessitates precise control of the gate dielectric layer, presenting a challenge to in situ map the carrier spatial distribution.

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Single-crystal Au(111), renowned for its chemically inert surface, long-range "herringbone" reconstruction, and high electrical conductivity, has long served as an exemplary template in diverse fields, , crystal epitaxy, electronics, and electrocatalysis. However, commercial Au(111) products are high-priced and limited to centimeter sizes, largely restricting their broad applications. Herein, a low-cost, high-reproducible method is developed to produce 4 in.

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LACCASE35 Enhances Lignification and Resistance Against Pseudomonas syringae pv. actinidiae Infection in Kiwifruit.

Plant Physiol

January 2025

Anhui Key Laboratory for Horticultural Crop Quality Biology, School of Horticulture, Anhui Agricultural University, Hefei, 230036, P.R.  China.

Kiwifruit bacterial canker, a highly destructive disease caused by Pseudomonas syringae pv. actinidiae (Psa), seriously affects kiwifruit (Actinidia spp.) production.

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Purpose: To evaluate the corneal biomechanical properties of phacoemulsification in the treatment of cataract patients.

Methods: Pertinent studies were searched in PubMed, EMBASE, Web of Science and clinicaltrials.gov.

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Electrical stimulation of existing three-dimensional bioprinted tissues to alter tissue activities is typically associated with wired delivery, invasive electrode placement, and potential cell damage, minimizing its efficacy in cardiac modulation. Here, we report an optoelectronically active scaffold based on printed gelatin methacryloyl embedded with micro-solar cells, seeded with cardiomyocytes to form light-stimulable tissues. This enables untethered, noninvasive, and damage-free optoelectronic stimulation-induced modulation of cardiac beating behaviors without needing wires or genetic modifications to the tissue solely with light.

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This study employs electrical resistivity tomography (ERT) to experimentally investigate the migration characteristics of light non-aqueous phase liquids (LNAPL) under various groundwater conditions. Through cross-hole measurements and time-lapse inversion, the migration process of LNAPL under three scenarios-unsaturated conditions, constant groundwater levels, and declining water levels-was systematically analyzed. The results indicate that LNAPL migration behavior exhibits significant differences under different conditions.

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