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Quasi-two-dimensional bismuth oxychalcogenide nanoflakes as novel anode for potassium-ion batteries

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Rare Metals 2022年第8期41卷 2567-2574页

作者： Shao-Jun Fang Peng Du Jia-Feng Zhang Chun-Hui Wang zhi-ming xiao Bao Zhang Liang Cao Xin-ming Fan Xing Ou School of Metallurgy and Environment Central South UniversityChangsha410083China

Potassium-ion batteries(PlBs)are considered as the promising alternative of lithium-ion batteries,due to their abundance natural resources,high cost-effectiveness,and similar working *** the development of PIBs,due to the larger ionic radius of potassium compared to that of lithium,the urgent demand of suitable anode materials with steady structure and fast carrier diffusion is of primary importance.

关键词： lithium potassium radius

Inhibitory Effects of Saponins From Anemarrhena asphodeloides Bunge on the Growth of Vascular Smooth Muscle Cells

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Biomedical and Environmental Sciences 2006年第3期19卷 185-191页

作者： SHANG-zhi xiao ming-EN XU YA-KUN GE GUI-FENG xiao Department of Biomedical Engineering Zhejiang University （Yuquan Campus） Hangzhou 310027 Zhejiang China

Objective To investigate the effects of saponins from Anemarrhena asphodeloides Bunge （SAaB）（Botanical Name： Anemarrhena Asphodeloidis Rhizoma） on the growth of vascular smooth muscle cells （VSMCs）. Methods Cell proliferation was measured by a newly developed cell proliferation reagent, WST-1. Cell apoptosis was assayed by flow cytometry through detecting annexin V. Nitric oxide production was evaluated using confocal laser scanning microscopy with diaminofluorescein diacetate （DAF-2, DA）. Cell aldose reductase （AR） activity, as well as the effect of Epalrestat and interleukin-1β were also explored. Results WST assay showed that cell proliferation induced by serum was significantly inhibited by SAaB （P〈0.01）. Flow cytometry analysis revealed that SAaB could enhance apoptotic rate of VSMCs （P〈0.01）. Nitric oxide production was significantly enhanced after administration of SAaB and interleukin-Iβ Moreover, AR activity of VSMCs was also remarkably inhibited by both SAaB and Epalrestat （P〈 0.01）. Conclusion SAaB can inhibit proliferation and enhance apoptosis of VSMCs. It may protect vascular cells by inhibiting VSMC proliferation and augmenting apoptotic rate of VSMCs via NO-dependent pathway.

关键词： Anemarrhena asphodeloides Bunge Saponins Vascular smooth muscle cells Proliferation

Efficient color routing with a dispersion-controlled waveguide array

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Light(Science & Applications) 2013年第1期2卷 220-225页

作者： Yi-Kun Liu Si-Cong Wang Yong-Yao Li Li-Yan Song Xiang-Sheng Xie ming-Neng Feng zhi-ming xiao Shao-zhi Deng Jian-Ying Zhou Jun-Tao Li Kam Sing Wong Thomas F Krauss State Key Laboratory of Optoelectronic Materials and Technologies Sun Yat-sen UniversityGuangzhou 510275China Department of Physics Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina SUPA School of Physics and AstronomyUniversity of St AndrewsSt AndrewsFifeKY169SSUK

Splitting white light into its constituent spectral components has been of interest ever since Newton first discovered the phenomenon of color *** devices have since been conceived to achieve efficient wavelength separation,yet a large number of applications,e.g.,in display technology,still use simple color absorption or rejection filters that absorb or reflect unwanted wavelengths,thus wasting luminous ***,we demonstrate a novel microsized device concept that enables efficient color *** device operation is based on differential material dispersion in a waveguide array,which causes different wavelength signals to couple selectively into appropriate waveguides.A theoretical power delivery of greater than 50%for a tricolor wavelength router is obtained,compared to 33%expected from geometry *** principle of operation is demonstrated experimentally for a dual-color light field,where we achieve a higher than 70%routing efficiency(compared to 50%from geometry),thus highlighting the feasibility of this novel and promising approach.

关键词： color filters dispersion propagation route waveguides

Use of arterial conduit for arterial revascularization during liver and multivisceral transplantation

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Chinese Medical Journal 2011年第19期124卷 2986-2989页

作者： MA Yi LI Qiang YE zhi-ming ZHU xiao-feng HE xiao-shun Organ Transplantation Center the First Affiliated Hospital Sun Yat-sen University Guangzhou Guangdong 510080 China

Background At present, revascularization is still one of the most critical technologies in orthotopic liver transplantation （OLT）. Hepatic artery （HA） variations occur frequently in both donors and recipients. Moreover, there are always some pathological changes in the recipient hepatic artery. If handled improperly, it may cause complications after ***, arterial conduit could be used in primary OLT, re-OLT and multiple-OLT. This study aimed to investigate the indications, methods and techniques with usage of arterial conduit for HA revascularization during adult *** We reviewed 1200 patients of consecutive OLTs performed during 2000-2009 in the First Affiliated Hospital of Sun Yat-sen University. Of these patients, 48 recipients with artery variations received HA revascularization with usage of arterial conduit and special postoperative managements. The indications, methods, techniques, and the managements of postoperative complications in adult OLT with usage of arterial conduit for HA revascularization were *** In 48 cases with artery bypass, the arterial conduit were anastomosed between donor hepatic artery and recipient infrarenal aorta （n=32）, between donor hepatic artery and recipient suprarenal aorta （n=10）, and between donor upper abdominal organ cluster artery and recipient suprarenal aorta （n=6）. The technique was applied in 4% （48/1200 cases） of the whole OLTs performed in the same period, and the patency rate of the conduits was 100%. Forty patients （83.3%） survived, and the average survival time was 3.9 years. Eight patients （16.7%） died （all due to tumor recurrence）,while the average survival time was 1.2 years. All these patients have not experienced artery-related complications in their survival *** When recipient HA has variations or pathological changes in OLT, the donor artery should be anastomosed to recipient abdominal aorta with an arterial conduit to achieve satisfactory outcomes. For arteri

关键词： liver transplantation hepatic artery iliac artery graft

Alpha-decay properties of nuclei around neutron magic numbers

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Nuclear Science and Techniques 2025年第1期36卷 140-149页

作者： ming Li Chu-Xin Chen Lan-Fang xiao Yi Zhang Song Luo xiao-Hua Li School of Nuclear Science and Technology University of South ChinaHengyang 421001China PET‑CT Center Chenzhou First People’s HospitalChenzhou 423000China Hengyang Ecological Environment Monitor Center Hengyang 421001China China Certification and Inspection Group Hefei 230000China National Exemplary Base for International Science and Technology Collaboration of Nuclear Energy and Nuclear Safety University of South ChinaHengyang 421001China Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment University of South ChinaHengyang 421001China Key Laboratory of Low Dimensional Quantum Structures and Quantum Control Hunan Normal UniversityChangsha 410081China

By combining experimental α-decay energies and half-lives, the α-particle preformation factor for nuclei around neutron magic numbers N of 126, 152, and 162 were extracted using the two-potential approach. The nuclei around the shell closure were more tightly bound than adjacent nuclei. Additionally, based on the WS4 mass model (Wang et al., Phys. Lett.B 734, 215 (2014)), we extended the two-potential approach to predict the α-decay half-lives of nuclei around N values of178 and 184 with Z of 119 and 120. We believe that our findings will serve as guidelines for future experimental studies.

关键词： adecay Preformation factor Neutron magic number Heavy and superheavy nuclei

In situ regeneration of catalyst for Fenton-like degradation by photogenerated electron transportation:Characterization,performance and mechanism comparison

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Chinese Chemical Letters 2025年第1期36卷 529-533页

作者： ming-Zhen Li Yang Zhang Kun Li Ya-Nan Shang Yi-Zhen Zhang Yu-Jiao Kan zhi-Yang Jiao Yu-Yuan Han xiao-Qiang Cao College of Safety and Environmental Engineering Shandong University of Science and TechnologyQingdao 266590China Engineering Research Center of Groundwater Pollution Control and Remediation Ministry of Education of ChinaBeijing Normal UniversityBeijing 100875China Environment Research Institute Shandong UniversityQingdao 266237China Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity Shandong University of Science and TechnologyQingdao 266590China

Inactivation of carbon-based transition metal catalysts,which was caused by electron loss,limited their application in advanced oxidation ***,Co and TiO_(2) double-loaded carbon nanofiber material(Co@CNFs-TiO_(2))was synthesized in this *** and chemical catalytic systems were synergized *** was eliminated within 15 *** degradation rate remained above 90%after five cycles,and the 50%promotion proved the high stability of Co@CNFs-TiO_(2).The main reactive oxygen species in this system were sulfate radicals,whereas Co and TiO_(2) represented the active sites of the catalytic *** generated from TiO_(2) during the photocatalytic process were transferred to Co,which promoted the Co(Ⅲ)/Co(Ⅱ)cycle and maintained Co in a low-valence state,thereby stimulating the generation of sulfate *** this study,the effective regulation of reactive oxygen species in the reaction system was *** results provided a guidance for in situ electron replenishment and regeneration of carbon-based transition metal catalysts,which will expand the practical application of advanced oxidation processes.

关键词： Electron transportation Catalyst regeneration Peroxymonosulfate Co Photocatalytic

Prediction of intrusive gas pores caused by resin burning in sand core for iron castings

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China Foundry 2025年第1期22卷 23-32页

作者： Ji-wu Wang xiao-long Wang Yu-cheng Sun Yu-hang Huang Xiu-ming Chen Xiong-zhi Wu Na Li Jin-wu Kang Tao Jing Tian-you Huang Hai-liang Yu School of Mechanical Electronic and Control EngineeringBeijing Jiaotong UniversityBeijing 100044China Weichai Power Co. Ltd.Weifang 261061ShandongChina School of Mechanical Engineering Central South UniversityChangsha 41000China School of Materials Science and Engineering Key Laboratory for Advanced Materials Processing TechnologyTsinghua UniversityBeijing 100084China

In the production of castings,intrusive gas pore represents a kind of common defects which can lead to leakage in high gas-tightness requirement castings,such as cylinder blocks and cylinder heads for *** occurs due to the intrusion of gases generated during the resin burning of the sand core into castings during the casting ***,a gas generation and flow constitution model was established,in which the gas generation rate is a function of temperature and time,and the flow of gas is controlled by the gas release,conservation,and Darcy's *** heat transfer and gas flow during casting process was numerically *** dangerous point of cores is firstly identified by a virtual heat transfer method based on the similarity between heat transfer and gas flow in the sand *** gas pores in castings are predicted by the gas pressure,the viscosity and state of the melt for these dangerous *** distinct sand core structures were designed and used for the production of iron castings,and the simulated gas pore results were validated by the obtained castings.

关键词： gas pore numerical simulation iron casting sand core resin

New classification of gastric polyps:An in-depth analysis and critical evaluation

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World Journal of Gastroenterology 2025年第7期31卷 149-155页

作者： xiao-Hui Liao Ying-ming Sun Hong-Bin Chen Department of Gastroenterology The First Hospital of Sanming Affiliated to Fujian Medical UniversityFujian Medical UniversitySanming 365000Fujian ProvinceChina Department of Medical and Radiation Oncology Sanming First HospitalFujian Medical UniversitySanming 365000Fujian ProvinceChina Department of Gastroenterology I Sanming First HospitalFujian Medical UniversitySanming 365000Fujian ProvinceChina

With the widespread use of upper gastrointestinal endoscopy,more and more gastric polyps(GPs)are being *** management strategies often rely on histopathologic examination,which can be time-consuming and may not guide immediate clinical *** paper aims to introduce a novel classification system for GPs based on their potential risk of malignant transformation,categorizing them as"good","bad",and"ugly".A review of the literature and clinical case analysis were conducted to explore the clinical implications,management strategies,and the system's application in endoscopic *** polyps,mainly including fundic gland polyps and inflammatory fibrous polyps,have a low risk of malignancy and typically require minimal or no *** polyps,mainly including hyperplastic polyps and adenomas,pose an intermediate risk of malignancy,necessitating closer monitoring or *** polyps,mainly including type 3 neuroendocrine tumors and early gastric cancer,indicate a high potential for malignancy and require urgent and comprehensive *** new classification system provides a simplified and practical framework for diagnosing and managing GPs,improving diagnostic accuracy,guiding individualized treatment,and promoting advancements in endoscopic *** some challenges,such as the risk of misclassification due to similar endoscopic appearances,this system is essential for the standardized management of *** also lays the foundation for future research into biomarkers and the development of personalized medicine.

关键词： Gastric polyps Classification Fundic gland polyps Inflammatory fibroid polyps Hyperplastic polyps Adenomas Neuroendocrine tumors Early gastric cancer Patient management

Multiparameter magnetic resonance imaging-based radiomics model for the prediction of rectal cancer metachronous liver metastasis

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World Journal of Gastrointestinal Oncology 2025年第1期17卷 62-72页

作者： zhi-Da Long xiao Yu zhi-Xiang Xing Rui Wang Department of Hepatobiliary and Pancreaticosplenic Surgery Jingzhou Hospital Affiliated to Yangtze UniversityJingzhou 434100Hubei ProvinceChina

BACKGROUND The liver,as the main target organ for hematogenous metastasis of colorectal cancer,early and accurate prediction of liver metastasis is crucial for the diagnosis and treatment of ***,this study aims to investigate the application value of a combined machine learning(ML)based model based on the multiparameter magnetic resonance imaging for prediction of rectal metachronous liver metastasis(MLM).AIM To investigate the efficacy of radiomics based on multiparametric magnetic resonance imaging images of preoperative first diagnosed rectal cancer in predicting MLM from rectal *** We retrospectively analyzed 301 patients with rectal cancer confirmed by surgical pathology at Jingzhou Central Hospital from January 2017 to December *** participants were randomly assigned to the training or validation queue in a 7:3 *** first apply generalized linear regression model(GLRM)and random forest model(RFM)algorithm to construct an MLM prediction model in the training queue,and evaluate the discriminative power of the MLM prediction model using area under curve(AUC)and decision curve analysis(DCA).Then,the robustness and generalizability of the MLM prediction model were evaluated based on the internal validation set between the validation queue *** Among the 301 patients included in the study,16.28%were ultimately diagnosed with MLM through pathological *** analysis showed that carcinoembryonic antigen,and magnetic resonance imaging radiomics were independent predictors of ***,the GLRM prediction model was developed with a comprehensive nomogram to achieve satisfactory *** prediction performance of GLRM in the training and validation queue was 0.765[95%confidence interval(CI):0.710-0.820]and 0.767(95%CI:0.712-0.822),*** with GLRM,RFM achieved superior performance with AUC of 0.919(95%CI:0.868-0.970)and 0.901(95%CI:0.850-0.952)in the training and validation queue,respect

关键词： Rectal cancer Metachronous liver metastases Magnetic resonance imaging Radiomics Machine learning