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Chinese Chemical Letters 2024年第8期35卷 558-566页

作者： Ya-Nan Yang Zi-Sheng Li Sourav Mondal Lei Qiao cui-cui wang Wen-Juan Tian Zhong-Ming Sun John E.McGrady State Key Laboratory of Element-Organic Chemistry Tianjin Key Lab for Rare Earth Materials and ApplicationsSchool of Materials Science and EngineeringNankai UniversityTianjin 300350China Department of Chemistry University of OxfordInorganic Chemistry LaboratoryOxfordOX13QRUnited Kingdom

We report here the synthesis and characterization of two new members of the M2 E 12 family of endohe-dral Zintl clusters,[Fe_(2)Sn_(4)Bi_(8)]^(3-)and[Cr_(2)Sb_(12)]^(3-),both of which contain open-shell metal dimers encap-sulated inside a triple-decker cluster of main-group *** 75-electron[Fe_(2)Sn_(4)Bi_(8)]^(3-)cluster has a D4h-symmetric structure,while[Cr_(2)Sb_(12)]^(3-),despite having the same 75-electron count,is strongly dis-torted to a geometry that resembles a CrSb_(8)crown capped by a CrSb_(4)*** structural differences between the two are driven by the increasing availability of 3d electron density in the earlier transi-tion metal,which leads,ultimately,to different electronic configurations in the two *** trends precisely mirror those observed in the ME_(10)and ME_(12)families containing a single transition metal ion.

关键词： Zintl anions Endohedral clusters Metal-metal bond Second-order Jahn-Teller effect DFT calculation

Application of a real-time PCR method for detecting and monitoring hookworm Necator americanus infections in Southern China

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Asian Pacific Journal of Tropical Biomedicine 2012年第12期2卷 925-929页

作者： Jia-Xu wang Cang-Sang Pan Li-wang cui Department of Microbiology Xiamen Centre for Disease Control and Prevention School of Life Science Xiamen University Department of Entomology the Pennsylvania State University501 ASI BuildingUniversity ParkPA 16802USA

Objective:To develop a quautitative PCR method for detecting hookworm infection and ***:A real-time PCR method was designed hased on the intergenic regionⅡof ribosomal DNA of the hookworm Neeator *** deteetion limit of this method was compared with the microscopy-hased Kato-Katz *** real-time PCR method was used to conduct an epidemiological survey of hookworm infection in southern Fujian Province of ***:The real-time PCR method was specific for detecting Necator americanus infection,and was more sensitive than conventional PCR or microscopy-based method.A preliminary survey for hookworm infection in villages of Fujian Province confirmed the high prevalence of hnokworm infections in the resident *** addition,the infection rate in women was significantly higher than thai of in ***:A real-time PCR method is designed,which has increased detection sensitivity for more accurate epidemiological studies of hookworm infections,especially when intensity of the infection needs to he considered.

关键词： Hookworm Detection method Epidemiology Infection rate

Effect of Ti_(p) Content on the Work Hardening and Softening Behavior of Mg-Zn-Ca Alloy

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Acta Metallurgica Sinica(English Letters) 2024年第3期37卷 551-560页

作者： Jin-Kai Zhang cui-Ju wang Yi-Dan Fan Chao Xu Kai-Bo Nie Kun-Kun Deng Shanxi Key Laboratory of Advanced Magnesium-Based Materials College of Materials Science and EngineeringTaiyuan University of TechnologyTaiyuan 030024China School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China

The Ti_(p)/ZX60 composites with different Ti_(p) contents were prepared by semi-solid stirring *** extrusion,the microstructure,work hardening and softening behavior of the Ti_(p)/ZX60 composites were analyzed compared with the ZX60(Mg-6Zn-0.2Ca)*** results showed that the addition of Ti_(p) could not only promote the nucleation of dynamic recrystallized(DRXed)grains,but also be propitious to the refinement of DRXed *** increasing Ti_(p) content,the size of DRXed grains decreased accompanied with increasing volume fraction of DRXed *** the Ti_(p) content increased to 15 vol.%,the average size and volume fraction of DRXed grains reached to~0.32μm and 93.2%,***,both the strength and elongation were improved by the addition of Ti_(p).With increasing content of Ti_(p),a substantial increase in the strength was achieved with little change in the ***,the elongation decreased sharply when the Ti_(p) content further increased to 15 vol.%.The addition of Ti_(p) led to an increase in the work hardening rate,which gradually increased with increasing Ti_(p) ***,the softening rate did not demonstrate the same tendency with increasing Ti_(p) *** the conventional ceramic particles,the Ti_(p) can be deformed in coordination with the matrix alloy,which imparted a higher softening rate to the matrix *** though the softening rate improved as the Ti_(p) content increased from 5 to 10 vol.%,it dropped deeply as the Ti_(p) content increased to 15 vol.%owing to the fracture of Ti_(p) during extrusion.

关键词： Titanium particle content Particle reinforced magnesium matrix composites Work hardening Softening behavior Mechanical properties

Experimental Investigation on Hydrophobic Behavior of Carbon Spheres Coated Surface Made from Microplastics

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Journal of Renewable Materials 2021年第12期9卷 2159-2174页

作者： Peng Liu Bin Bai cui wang Yunan Chen Zhiwei Ge Wenwen Wei Hui Jin State Key Laboratory of Multiphase Flow in Power Engineering Xi’an Jiaotong UniversityXi’an710049China

In this paper,a simple method to plate a hydrophobic coating on the inner surface of a small-scaled tube was proposed,where the coating consisted of carbon *** common plastics polystyrene,polycarbonate and polyethylene were used as the feedstocks to be processed in supercritical water in a quartz tubular *** reaction,the contact angle of droplet on the inner surface of the quartz tube was turned out to be over 100°,significantly larger than that of the blank tube 54°.When processing polystyrene in the 750℃ supercritical water for 10 min,the largest contact angle was obtained,up to 145°.Besides,in this sample,the size of carbon spheres was smallest,about 2.09μm diameter on *** comparing among different types of plastics under the same condition,the contact angle of surface made from PC took the dominant position over that of PS and PE,124°,100°and 90°,*** the sample made from PC,carbon spheres adhered into a mountainlike shape,producing a binary geometric ***,this research could be helpful in the discussion of plastic waste management and carbon spheres fabrication with low cost.

关键词： Plastic wastes hydrothermal method carbon spheres supercritical water hydrophobicity

Insight into the Urea Binding and K166R Mutation Stabilizing Mechanism of TIpB： Molecular Dynamics and Principal Component Analysis Study

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Chemical Research in Chinese Universities 2014年第6期30卷 1011-1017页

作者： WU Yunjian ZHENG Qingchuan XU Yu CHU Wenting cui Yinglu wang Yan ZHANG Hongxing State Key Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University Changchun 130021 P R. China

Chemoreceptor TlpB（Tlp=transducer-like protein）, which has been demonstrated to respond to pH sensing function, is crucial for the survival ofHelicobacterpylori（H, pylori） in host stomach. Urea was proposed to be essen- tial for TlpB＇s pH sensing function via binding with the Per-ARNT-Sim（PAS） domain of TlpB. Additionally, KI66R mutation of the TlpB protein has also been proven to have a similar effect on TlpB pH sensing as urea binding. Al- though X-ray crystallographic studies have been carried out for urea-bound Tlpl3, the molecular mechanism for the stabilization of TIpB induced by urea binding and K166R mutation remains to be elucidated. In this study, molecular dynamics simulations combined with principal component analysis（PCA） for the simulation results were used to gain an insight into the molecular mechanism of the stabilization of urea on TlpB protein. The formed H-bonds and salt-bridges surrounding Aspll4, which were induced by both urea binding and K166R mutation of TIpB, were im- portant to the stabilization of TlpB by urea. The similarity between the urea binding and K166R mutation as well as their differences in effect has been explicitly demonstrated with computer simulations at atomic-level. The findings may Dave the wav for the further researches of TlpB.

关键词： TlpB Per-ARNT-Sim(PAS) domain Molecular dynamics simulation Principal component analysis

Local Uniqueness of Weak Solutions for a Class of Quasilinear Subelliptic Equations

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Journal of Mathematical Research and Exposition 2011年第2期31卷 295-302页

作者： Xue Wei cui Yong Zhong wang Department of Applied Mathematics Northwestern Polytechnical University Shaanxi 710072 P. R. China

In this note,we obtain some a-priori estimates for gradient of weak solutions to a class of subelliptic quasilinear equations constructed by Ho¨rmander’s vector fields,and then prove local uniqueness of weak solutio... 详细信息

关键词： Hrmander’s vector fields subelliptic weak solution uniqueness

Research into Tag Anti-collision Algorithms in RFID

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微计算机信息 2007年第23期23卷 235-236+264页

作者： CHEN PING cui YIFENG wang PENG 单位不详

Tag anti- collision is one of the key problems of RFID System. The technique of TDMA can solve this problem. In TDMA, there are several anti- collision algorithms, such as ALOHA, Slotted ALOHA, binary search, dynamic binary search, etc. These algo- rithms are different in realization mode and application efficiency. This paper provides analysis and argumentation of them.

关键词： RFID anti- collision ALOHA binary search

Changes of coastline and tidal flat and its implication for ecological protection under human activities: Take China’s Bohai Bay as an example

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China Geology 2024年第1期7卷 26-35页

作者： Yong Li Ming-zheng Wen Heng Yu Peng Yang Fei-cui wang Fu wang Tianjin Center China Geological SurveyMinistry of Natural ResourcesTianjin 300170China Key Laboratory of Coast Geo-environment China Geological SurveyMinistry of Natural ResourcesTianjin 300170China Tianjin Key Laboratory of Coast Geological Processes and Environmental Safety Tianjin 300170China Hebei University of Environmental Engineering Qinhuangdao 066102China Hebei Engineering Research Center for Ecological Restoration of seaward Rivers and Coastal Waters Qinhuangdao 066102China Department of Earth and Environment Boston UniversityBoston 02215USA

The change processes and trends of shoreline and tidal flat forced by human activities are essential issues for the sustainability of coastal area,which is also of great significance for understanding coastal ecological environment changes and even global *** on field measurements,combined with Linear Regression(LR)model and Inverse Distance Weighing(IDW)method,this paper presents detailed analysis on the change history and trend of the shoreline and tidal flat in Bohai *** shoreline faces a high erosion chance under the action of natural factors,while the tidal flat faces a different erosion and deposition patterns in Bohai Bay due to the impact of human *** implication of change rule for ecological protection and recovery is also *** should be taken to protect the coastal ecological *** models used in this paper show a high correlation coefficient between observed and modeling data,which means that this method can be used to predict the changing trend of shoreline and tidal *** research results of present study can provide scientific supports for future coastal protection and management.

关键词： Shoreline Tidal flat Erosion deposition patterns Changing trend Ecological protection Human activity Linear regression model Inverse distance weighing method Prediction Bohai Bay

Ethanol promotes saturated fatty acid-induced hepatoxicity through endoplasmic reticulum(ER) stress response

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Chinese Journal of Natural Medicines 2015年第4期13卷 250-256页

作者： YI Hong-Wei MA Yu-Xiang wang Xiao-Ning wang cui-Fen LU Jian CAO Wei WU Xu-Dong Department of Pharmacology Medical School Southeast University State Key Laboratory of Pharmaceutical Biotechnology School of Life Sciences Nanjing University Center for Diagnostic Nanosystems Marshall University

Serum palmitic acid(PA), a type of saturated fatty acid, causes lipid accumulation and induces toxicity in ***(Et OH) is metabolized by the liver and induces hepatic injury and inflammation. Herein, we analyzed the effects of Et OH on PA-induced lipotoxicity in the liver. Our results indicated that Et OH aggravated PA-induced apoptosis and lipid accumulation in primary rat hepatocytes in dose-dependent manner. Et OH intensified PA-caused endoplasmic reticulum(ER) stress response in vitro and in vivo, and the expressions of CHOP, ATF4, and XBP-1 in nucleus were significantly increased. Et OH also increased PA-caused cleaved caspase-3 in cytoplasm. In wild type and CHOP–/– mice treated with Et OH and high fat diet(HFD), Et OH worsened the HFD-induced liver injury and dyslipidemia, while CHOP knockout blocked toxic effects of Et OH and PA. Our study suggested that targeting UPR-signaling pathways is a promising, novel approach to reducing Et OH and saturated fatty acid-induced metabolic complications.

关键词： Ethanol(Et OH) Palmitic acid(PA) ER stress CHOP knockout Liver toxicity

Synaptosomal-associated protein 25 may be an intervention target for improving sensory and locomotor functions after spinal cord contusion

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Neural Regeneration Research 2017年第6期12卷 969-976页

作者： Zhan-qiong Zhong Yang Xiang Xi Hu You-cui wang Xi Zeng Xiao-meng wang Qing-jie Xia Ting-hua wang Xiao Zhang Experiment Technology Center of Preclinical Medicine of Chengdu Medical College School of Basic Medicine Chengdu University of Traditional Chinese Medicine Institute of Neurological Diseases Center for Translational Neuroscience Western China Hospital Sichuan University

Synaptosomal-associated protein 25 k Da（SNAP-25） is localized on the synapse and participates in exocytosis and neurotransmitter release. Decreased expression of SNAP-25 is associated with Alzheimer＇s disease and attention deficit/hyperactivity disorder. However, the expression of SNAP-25 in spinal cord contusion injury is still unclear. We hypothesized that SNAP-25 is associated with sensory and locomotor functions after spinal cord injury. We established rat models of spinal cord contusion injury to detect gene changes with a gene array. A decreased level of SNAP-25 was detected by quantitative real time-polymerase chain reaction and western blot assay at 1, 3, 7, 14 and 28 days post injury. SNAP-25 was localized in the cytoplasm of neurons of the anterior and posterior horns, which are involved in locomotor and sensory functions. Our data suggest that reduced levels of SNAP-25 are associated with sensory and locomotor functions in rats with spinal cord contusion injury.

关键词： sensory hyperactivity deficit cytoplasm localized unclear Chengdu autism neuronal minutes