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Factors associated with early recurrence after curative surgery for gastric cancer

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World Journal of Gastroenterology 2015年第19期21卷 5934-5940页

作者： Wei-Ming Kang Qing-Bin Meng Jian-Chun Yu zhi-Qiang Ma zhi-tian li Department of General Surgery Peking Union Medical College Hospital Chinese Academy of Medical Science and Peking Union Medical College Department of Gastrointestinal Surgery First Hospital of Wuhan City

AIM: To characterize patterns of gastric cancer recurrence and patient survival and to identify predictors of early recurrence after ***: Clinicopathological data for 417 consecutive patients who underwent curative resection for gastric cancer were retrospectively analyzed. Tumor and node status was reclassified according to the 7th edition of the American Joint Committee on Cancer tumor-node-metastasis classification for carcinoma of the stomach. Survival data came from both the patients' follow-up records and telephone *** gastric cancer was diagnosed based on clinical imaging, gastroscopy with biopsy, and/or cytological examination of ascites, or intraoperative findings in patients who underwent *** of early recurrence were compared in patients with pT1 and pT2-4a stage tumors. Pearson's χ 2 test and Fisher's exact test were used to compare differences between categorical variables. Survival curves were constructed using the Kaplan-Meier method and compared via the log-rank test. Variables identified as potentially important for early recurrence using univariate analysis were determined by multivariate logistic regression ***: Of 417 gastric cancer patients, 80(19.2%)were diagnosed with early gastric cancer and the remaining 337(80.8%) were diagnosed with locally advanced gastric cancer. After a median follow-up period of 56 mo, 194 patients(46.5%) experiencedrecurrence. The mean time from curative surgery to recurrence in these 194 patients was 24 ± 18 mo(range, 1-84 mo). Additionally, of these 194 patients,129(66.5%) experienced recurrence within 2 years after surgery. There was no significant difference in recurrence patterns between early and late recurrence(P < 0.05 each). For pT1 stage gastric cancer, tumor size(P = 0.011) and pN stage(P = 0.048) were associated with early recurrence of gastric *** age, pT stage, pN stage, Lauren histotype,lymphovascular invasion, intraoperative chemothe

关键词： Stomach neoplasms Gastrectomy D2lymphadenectomy Recurrence Chemotherapy

An end-to-end anastomosis model of guinea pig bile duct:A 6-mo observation

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World Journal of Gastroenterology 2011年第6期17卷 789-795页

作者： Xiao-Qing Zhang Yuan-Hu tian zhi Xu li-Xin Wang Chun-Sheng Hou Xiao-Feng ling Xiao-Si Zhou Department of General Surgery Peking University Third Hospital Beijing 100191 China

AIM:To establish the end-to-end anastomosis (EEA) model of guinea pig bile duct and evaluate the healing process of bile ***:Thirty-two male guinea pigs were randomly divided into control group,2-,3-,and 6-mo groups after establishment of EEA ***,immunohistochemical and serologic tests as well as measurement of bile contents were *** bile duct diameter and the diameter ratio (DR) were measured to assess the formation of relative ***:Acute and chronic inflammatory reactions occurred throughout the healing process of bile *** test and bile content measurement showed no formation of persistent stricture in 6-mo *** DR revealed a transient formation of relative stricture in 2-mo group in comparation to control group (2.94 ± 0.17 vs 1.89 ± 0.27,P=0.004).However,this relative stricture was released in 6-mo group (2.14 ± 0.18,P=0.440).CONCLUSION:A simple and reliable EEA model of guinea pig bile duct can be established with a good reproducibility and a satisfactory survival rate.

关键词： Animal model Guinea pig Anastomosis Common bile duct Wound healing

Hydrogen sulfide donor regulates alveolar epithelial cell apoptosis in rats with acute lung injury

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Chinese Medical Journal 2013年第3期126卷 494-499页

作者： liU Wen-li liU zhi-wei li tian-shui WANG Cong ZHAO Bin Department of Emergency Medicine Beijing Jishuitan Hospital Beijing 100035 China

Background Acute lung injury （Ali） is a common syndrome associated with high morbidity and mortality in emergency medicine. Cell apoptosis plays a key role in the pathogenesis of ALl. Hydrogen sulfide （H2S） plays a protective role during acute lung injury. We designed this study to examine the role of H2S in the lung alveolar epithelial cell apoptosis in rats with ALl. Methods Sixty-nine male Sprague Dawley rats were used. Ali was induced by intra-tail vein injection of oleic acid （OA）. NariS solution was injected intraperitonally 30 minutes before OA injection as the NariS pretreatment group. Single sodium hydrosulfide pretreatment group and control group were designed. Index of quantitative assessment （IQA）, wet/dry weight （W/D） ratio and the percentage of polymorphonuclear leukocyte （PMN） cells in the bronchoalveolar lavage fluid （BALF） were determined. H2S level in lung tissue was measured by a sensitive sulphur electrode. Apoptosis was evaluated by terminal deoxynucleotidyl transferase dUTP nick end labeling （TUNEL） staining and Fas protein was measured by immunohistochemical staining. Results The level of endogenous H2S in lung tissue decreased with the development of ALl induced by OA injection. Apoptosis and Fas protein in alveolar epithelial cells increased in the ALl of rats but NariS lessened apoptosis and Fas protein expression in alveolar epithelial cells of rats with ALl. Conclusion Endogenous H2S protects rats from oleic acid-induced ALl, probably by inhibiting cell apoptosis.

关键词： hydrogen sulfide acute lung injury cell apoptosis

“One stone, two birds”: Salt template enabling porosity engineering and single metal atom coordinating toward high-performance zinc-ion capacitors

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Journal of Energy Chemistry 2025年第1期100卷 637-645页

作者： Chunliu Zhu Huanyu liang Ping li Chenglong Qiu Jingyi Wu Jingwei Chen Weiqian tian Yue Zhu zhi li Huanlei Wang School of Materials Science and Engineering Ocean University of China Department of Chemical and Materials Engineering University of Alberta

Zinc-ion hybrid capacitors （ZIHCs） have received increasing attention as energy storage devices owing to their low cost,high safety,and environmental ***,their progress has been hampered by low energy and power density,as well as unsatisfactory long-cycle stability,mainly due to the lack of suitable electrode *** this context,we have developed manganese single atoms implanted in nitrogen-doped porous carbon nanosheets （MnSAs/NCNs） using a metal salt template method as cathodes for *** metal salt serves a dual purpose in the synthesis process:It facilitates the uniform dispersion of Mn atoms within the carbon matrix and acts as an activating agent to create the porous *** applied in ZIHCs,the MnSAs/NCNs electrode demonstrates exceptional performance,including a high capacity of 203 m Ah g-1,an energy density of 138 Wh kg-1at 68 W kg-1,and excellent cycle stability with 91%retention over 10,000 *** calculations indicate that the introduced Mn atoms modulate the local charge distribution of carbon materials,thereby improving the electrochemical *** work demonstrates the significant potential of carbon materials with metal atoms in zinc-ion hybrid capacitors,not only in enhancing electrochemical performance but also in providing new insights and methods for developing high-performance energy storage devices.

关键词： Zinc ion hybrid capacitors Cathodes Carbon materials Heteroatoms Single atoms

Ultra‑High Sensitivity Anisotropic Piezoelectric Sensors for Structural Health Monitoring and Robotic Perception

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Nano-Micro Letters 2025年第2期17卷 432-446页

作者： Hao Yin Yanting li zhiying tian Qichao li Chenhui Jiang Enfu liang Yiping Guo State Key Laboratory of Metal Matrix Composites School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240People’s Republic of China Beijing Vacuum Electronics Research Institute Beijing 100015People’s Republic of China Fundamental Science On Vibration Shock and Noise LaboratoryState Key Laboratory of Mechanical System and VibrationSchool of Mechanical EngineeringShanghai Jiao Tong UniversityShanghai 200240People’s Republic of China

Monitoring minuscule mechanical signals,both in magnitude and direction,is imperative in many application scenarios,e.g.,structural health monitoring and robotic sensing ***,the piezoelectric sensor struggles to satisfy the requirements for directional recognition due to the limited piezoelectric coefficient matrix,and achieving sensitivity for detecting micrometer-scale deformations is also ***,we develop a vector sensor composed of lead zirconate titanate-electronic grade glass fiber composite filaments with oriented arrangement,capable of detecting minute anisotropic *** as-prepared vector sensor can identify the deformation directions even when subjected to an unprecedented nominal strain of 0.06%,thereby enabling its utility in accurately discerning the 5μm-height wrinkles in thin films and in monitoring human pulse *** ultra-high sensitivity is attributed to the formation of porous ferroelectret and the efficient load transfer efficiency of continuous lead zirconate titanate ***,when integrated with machine learning techniques,the sensor’s capability to recognize multi-signals enables it to differentiate between 10 types of fine textures with 100%*** structural design in piezoelectric devices enables a more comprehensive perception of mechanical stimuli,offering a novel perspective for enhancing recognition accuracy.

关键词： Flexible piezoelectric filaments Anisotropic Ultra-high sensitivity Structural health detection Texture recognition

PRODUCTION OF liGHT ALKENES FROM CO AND/OR CO2 HYDROGENATION OVER K-Fe-MnO/SIliCAliTE-2 CATALYST

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Journal of Energy Chemistry 1995年第2期 167-177页

作者： XU Long-Ya* WANG Qing-XialiANG Dong-Bai tian zhi-JianYANG li ZHAO Xiu-Shen WANG Kai-liDalian Institute of Chemical Physics, Academia Smica Dalian, Ijiaaning 116023

High selectivity to light alkenes can be achieved from CO and COhydrogenation over K-Fe-MnO/Si-2 *** alkene selectivity isinsensitive to reaction temperature for CO hydrogenation,while apparentlyincreases for COhydrogenation with raising reaction *** increasein alkene selectivity is observed for both CO and COhydrogenation with GHSVrising,While a decrease with the elevation of reaction pressure for both CO/Hand CO/Hreaction.A two-step mechanism is suggested forCOhydrogenation to form hydrocarbons,by which the variations incontributions of CO and HC as products of CO/Hreaction with change ofreaction temperature,GHSV and pressure are ***,thecatalyst is favorable for selective production of light olefins,which can alsoconcern the slightly secondary reactions of light olefins to some extent.

关键词： Fe-MnO catalyst silicalite-2 light alkenes carbon monoxide carbon dioxide

Smart Gas Sensors:Recent Developments and Future Prospective

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Nano-Micro Letters 2025年第3期17卷 55-86页

作者： Boyang Zong Shufang Wu Yuehong Yang Qiuju li tian Tao Shun Mao College of Environmental Science and Engineering Biomedical Multidisciplinary Innovation Research InstituteShanghai East HospitalState Key Laboratory of Pollution Control and Resource ReuseTongji University1239 Siping RoadShanghai 200092People’s Republic of China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092People’s Republic of China Microbiome Medicine Center Department of Laboratory MedicineZhujiang HospitalSouthern Medical UniversityGuangzhou 510280People’s Republic of China

Gas sensor is an indispensable part of modern society withwide applications in environmental monitoring,healthcare,food industry,public safety,*** the development of sensor technology,wireless communication,smart monitoring terminal,cloud storage/computing technology,and artificial intelligence,smart gas sensors represent the future of gassensing due to their merits of real-time multifunctional monitoring,earlywarning function,and intelligent and automated *** electronicand optoelectronic gas sensors have been developed for high-performancesmart gas *** the development of smart terminals and the maturityof integrated technology,flexible and wearable gas sensors play an increasingrole in gas *** review highlights recent advances of smart gassensors in diverse *** structural components and fundamentalprinciples of electronic and optoelectronic gas sensors are described,andflexible and wearable gas sensor devices are ***,sensorarray with artificial intelligence algorithms and smart gas sensors in“Internet of Things”paradigm are ***,the challengesand perspectives of smart gas sensors are discussed regarding the future need of gas sensors for smart city and healthy living.

关键词： Smart gas sensor Electronic sensor Optoelectronic sensor Flexible and wearable sensor Artificial intelligence

Thickness and sp3 bond modulation of（Ti/tetrahedral amorphous carbon）_n multilayer coatings

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Tungsten 2025年第1期7卷 152-160页

作者： zhi-Jun Xie Jia-lin li ling Gong Xiang-li Zhong Hong-Jia Song Jin-Bin Wang National-Provincial Laboratory of Special Function Thin Film Materials School of Materials Science and Engineering Xiangtan University

The durability of wear-resistant tetrahedral amorphous carbon（ta-C） coatings is intimately linked to their thickness and the concentration of *** enhance the lifespan of the coatings,we have prepared a multilayer coating consisting of alternating layers of Ti and ta-C,denoted as（Ti/ta-C）_n,using arc ion plating.A multi-layer structure in conjunction with stage cooling is employed to enhance the thickness and promote *** results indicate that the ID/IGvalue,representing the ratio of the intensity of the D peak to that of the G peak in Raman spectroscopy,decreases from 0.85 when no stage cooling is applied to 0.35 when stage cooling is employed,suggesting an enhancement in the fraction of sp3bonds within the *** obtained（Ti/ta-C）_n multilayer coating without peeling off has a maximum thickness of 1.14 μm,which is almost double that of the ta-C coating single layer *** the same time,the coating has a low coefficient of friction,down to 0.069,and maintains excellent friction properties with a wear rate of 3.4×10-6mm3·N-1·*** results conclusively show that the preparation technology can enhance both thickness and sp3bonding in ta-C coatings,significantly expanding their utility across tools,molds,and precision engineering components.

关键词： Arc ion plating Multilayer structure sp3 bond Ta-C coating Wear resistance

Mesh-supported V2O5-WO3/TiO2 nanosheet array catalysts for efficient removal of NOx

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Tungsten 2025年第1期7卷 100-111页

作者： zhi-Qi Zhang liu Yang Wen Luo Vladimir An Jing li Bao-Dan liu School of Materials Science and Engineering Northeastern University Foshan Graduate School of Innovation Northeastern University Kizhner Research Center School of Advanced Manufacturing Technologies Tomsk Polytechnic University

The design and synthesis of vanadium-based denitration catalysts with low-temperature activity pose significant challenges in the field of toxic gas *** this study,we have developed a novel approach to fabricate highly efficient V2O5-WO3/TiO2monolithic mesh catalysts for NOxreduction at low ***,TiO2nanosheets with strong adhesion and large surface area were grown on Ti mesh using plasma electrolytic oxidation technology and hydrothermal ***,super-small traces of WO3and V2O5active nano-species were subsequently deposited on TiO2nanosheets using the deposition-precipitation *** to traditional ceramic-based V2O5-WO3/TiO2catalysts,our V2O5-WO3/TiO2monolithic mesh catalyst exhibits superior mechanical performance,excellent thermal conductivity,lower pressure drop,higher utilization of active components,and stronger synergistic ***,the V2O5-WO3/TiO2monolithic mesh catalysts exhibited excellent low-temperature catalytic activity with 98% of NOxconversion at 220℃,and remarkable long-term SO2tolerance and water resistance in the selective catalytic reduction（SCR） of NOxwith *** SCR reaction of tiny V2O5and WO3active species supported on TiO2nanosheets directly demonstrated to follow the Eley-Rideal mechanism by in situ infrared spectra.

关键词： Low temperature activity Monolithic mesh catalysts NH3-SCR SO2 tolerance V2O5-WO3/TiO2