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Preparation and characterization of porous ceramics prepared by kaolinite gangue and Al(OH)_3 with double addition of MgCO_3 and CaCO_3

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International Journal of Minerals,Metallurgy and Materials 2011年第4期18卷 450-454页

作者： Wen yan nan li Bing-qiang Han The Key State Laboratory Breeding Base of Refractories and Ceramics Wuhan University of Science and Technology Wuhan 430081 China

Porous ceramics were prepared from kaolinite gangue and Al（OH）3 with double addition of MgCO3 and CaCO3 by the pore-forming in-situ *** characterizations of porous ceramics were investigated by X-ray diffractometry,scanning electron microscopy,and mercury porosimetry measurements,*** is found that although the decomposition of MgCO3 and CaCO3 has little contribution to the porosity,the double addition of MgCO3 and CaCO3 strongly affects the formation of liquid phase,and then changes the phase compositions,pore characterization,and *** appropriate mode is the sample containing 1.17wt% MgCO3 and 1.17wt% CaCO3,which has high apparent porosity（41.0%）,high crushing strength（53.5 MPa）,high mullite content（76wt%）,and small average pore size（3.24 μm）.

关键词： porous ceramics characterization kaolinite aluminum hydrxide additives

Precisely engineered bionic Cu-doped titanium dioxide nanoarrays/fluorine-doped tin oxide with excellent antibacterial and antifouling properties

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Tungsten 2024年第3期6卷 522-528页

作者： yan-nan li yan Zhao Jun-Jie liu School of Physical Science and Technology College of Energy Materials and ChemistryInner Mongolia UniversityHohhot 010021China

With the development of society and the aggravation of population aging,the abuse of various antibiotics seriously affects people's living environment[1].Bacterial pollution has become a major problem in the fields of... 详细信息

关键词： titanium fouling fluorine

Boundary Reducible Handle Additions on Simple 3-Manifolds

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Acta Mathematica Sinica,English Series 2009年第2期25卷 235-244页

作者： yan nan li Rui Feng QIU Ming Xing ZHANG Department of Applied Mathematics Dalian University of Technology Dalian 116023 P. R. China

Let M be a simple manifold, and F be a component of δM of genus two. For a slope γ on F, we denote by M（γ） the manifold obtained by attaching a 2-handle to M along a regular neighborhood of γon F. In this paper,... 详细信息

关键词： δ-reducible Scharlemann cycle simple manifold

Evaluation of standard liver volume formulae for Chinese adults

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World Journal of Gastroenterology 2009年第32期15卷 4062-4066页

作者： Zheng-Rong Shi Lu-nan yan Bo li Tian-Fu Wen liver Transplantation Division Department of Surgery West China Hospital Sichuan University Chengdu 610041 Sichuan Province China

AIM:To evaluate different standard liver volume (SLV) formula and verify the applicability of the formulae for Chinese ***: Data from 70 cases of living donor liver transplantation (LDLT) performed at our transplantation centers between January 2008 and April 2009 were analyzed. SLV was estimated using our recently reported formula [the Chengdu formula: SLV (mL)=11.5×body weight (kg) + 334] and other reported formulae used for Chinese adults. Actual intraoperative liver volumes were obtained from a review of the patients' medical ***: The actual right liver volume was not significantly different from the estimated right liver volume determined by the Chengdu formula, but was significantly smaller than estimates using the Heinemann, Urata, Vauthey, and Lee formulae (Pliable by its application in LDLT.

关键词： Standard liver volume living donor livertransplantation Chinese adult liver volume formula

Doebner condensation in ionic liquids [Bmim]BF_4 and [Bpy]BF_4 to synthesize α,β-unsaturated carboxylic acid

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Chinese Chemical Letters 2009年第3期20卷 279-282页

作者： Dong Jiang Yuan Yuan Wang yan nan Xu li Yi Dai Shanghai Key Laboratory of Green Chemistry and Chemical Processes Department of Chemistry East China Normal University Shanghai 200062 China

Ionic liquids [Bmim]BF4 and [Bpy]BF4 were employed as environmentally benign media in Doebner condensation to synthesize α, β-unsaturated carboxylic acid. The good results showed that [Bmim]BF4 and [Bpy]BF4 were efficient media for Doebner condensation, which could be recycled easily. The highest yields could reach 93% and 90% in [Bmim]BF4 and [Bpy]BF4, respectively.

关键词： Ionic liquid Doebner condensation α, β-Unsaturated carboxylic acid Decarboxylation

First record of disk-footed bat Eudiscopus denticulus(Chiroptera,Vespertilionidae)from China and resolution of phylogenetic position of the genus

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Zoological Research 2021年第1期42卷 94-99页

作者： Wen-Hua Yu Gabor Csorba Zheng-Lan-Yi Huang yan-nan li Shuo liu Rui-Chang Quan Qiao-yan Wang Hong-yan Shi Yi Wu Song li Key Laboratory of Conservation and Application in Biodiversity of South China School of Life SciencesGuangzhou UniversityGuangzhouGuangdong 510006China Department of Zoology Hungarian Natural History MuseumBudapest H-1088Hungary Kunming Natural History Museum of Zoology Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China Center for Integrative Conservation Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesMenglaYunnan 666303China Research Institute of Xishuangbanna National Nature Reserve JinghongYunnan 666100China Ecological Security and Protection Key Laboratory of Sichuan Province Mianyang Teacher’s CollegeMianyangSichuan 621000China

DEAR EDITOR,The disk-footed bat Eudiscopus denticulus(Osgood,1932)is a rare species in Southeast *** two chiropteran surveys in the summer of 1981 and 2019,eight and three small Myotis-like bats with distinct disk-like hindfeet were collected from Yunnan Province,China,***,craniodental,and phylogenetic evidence confirmed these specimens as ***,representing a new genus in *** complete mitochondrial genome consistently showed robust support for *** as a basal lineage within *** coding patterns and characteristics of its mitochondrial genome were similar to that of other published genomes from *** echolocation signals of the newly collected individuals were *** potential distribution range of Eudiscopus in Southeast Asia inferred using the MaxEnt model indicated its potential occurrence along the southern border region of Yunnan,China.

关键词： China. record representing

Sciadopitysin exerts anticancer effects on HepG2 hepatocellular carcinoma cells by regulating reactive oxygen species-mediated signaling pathways

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BIOCELL 2024年第7期48卷 1055-1069页

作者： yan-nan li YUN-HONG XIU yan-JUN TANG JING-LONG CAO WEN-SHUANG HOU AN-QI WANG TIAN-ZHU li CHENG-HAO JIN Department of Biochemistry and Molecular Biology Heilongjiang Bayi Agricultural UniversityDaqingChina Hemodialysis Center Daqing Oilfield General HospitalDaqingChina Department of Food Science and Engineering Heilongjiang Bayi Agricultural UniversityDaqingChina Department of Molecular Biology Chifeng UniversityChifengChina National Coarse Cereals Engineering Research Center DaqingChina

Objectives:Sciadopitysin(SP)is aﬂavonoid in Ginkgo biloba that exhibits various pharmacological *** study aimed to investigate its antitumor effects and the underlying molecular mechanism of SP in hepatocellular carcinoma(HCC)***:Network pharmacology was used for target prediction *** Counting Kit-8(CCK-8)assay was used to test the cell *** cytometry was used to test the cell cycle distribution,apoptosis status,and reactive oxygen species(ROS)*** and wound-healing assay was used to test the migration effect of SP on HepG2 *** Blot assay was used to test the expression levels of ***:Network pharmacology analysis results showed that the mitogen-activated protein kinase(MAPK)and other signaling pathways are involved in the SP anti-HCC biological ***-8 assay results demonstrated that SP showed an obvious killing effect on three types of HCC cells and low cytotoxic effect on normal *** Blot andﬂow cytometry results showed that SP regulated MAPK/signal transducer and activator of transcription 3(STAT3)/nuclear factor kappa-B(NF-κB)signaling pathway to induce mitochondrion-dependent apoptosis in HepG2 ***,SP can arrest the G0/G1 phase cell cycle via the protein kinase B(AKT)/p21/p27/cyclin-dependent kinase(CDK)/Cyclin signaling *** healing and transwell assays showed that SP inhibited cell motility and invasion through the AKT/glycogen synthase kinase3β(GSK-3β)/vimentin/β-catenin signaling ***:Theseﬁndings demonstrated that SP induced mitochondrion-dependent apoptosis,arrested cell cycle in the G0/G1 phase,and inhibited cell migration by regulating the ROS-mediated signaling pathway in HepG2 ***,SP could serve as a therapeutic agent for the treatment of human HCC.

关键词： Sciadopitysin Hepatocellular carcinoma Apoptosis Cell cycle Cell migration

Genetic variations of beta 2-adrenergic receptor gene are associated with essential hypertension in Xinjiang Kazakans

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Journal of Geriatric Cardiology 2010年第1期7卷 52-57页

作者： Zhi-Tao yan nan-Fang li Jin yang ling Zhou Hui liu Qin Luo The Center of Diagnosis Treatment and Research of Hypertension in Xinjiang Urumqi 830001 China

Objective The aims of the present study were to investigate the associations of 46 A〉G, 79 C〉G, 491 C〉T and 659 C〉G genetic variants of the human beta 2-adrenergic receptor （β2-AR）, ADRB2, gene with essential hypertension （EH） in Xinjiang Kazakans *** A gender-matched case-control （271 hypertensive cases and 267 normotensive controls） study was used to investigate the associations of the four variations in the coding region of ADRB2 with EH. The genotypes of the variants were identified by the polymerase chain reaction and restriction fragment length polymorphism （PCR-RFLP） methods. Results 46 A〉G, 79 C〉G and 659 C〉G polymorphisms were common in the Kazakan population, but 491 C〉T was a mutation （frequency ofT allele was only 0.003） and only found in EH group. The fxequency distributions of genotypes and alleles for 659 C〉G between the EH and control groups was significantly different （P〈0.05）, while those for 46 A〉G and 79 C〉G polymorphisms were not statistically different. Logistic regression analysis suggested that the G allele of 659 C〉G polymorphism was a risk factor for hypertension （minor allele vs common homo; odds ratio, 13.240, 95% CI, 4.052-43.274; P〈0.05）. Covariance analysis showed that systolic and diastolic blood pressure levels in GG＋CG group of 659 C〉G were significantly higher than those in the CC group, but no significant difference of blood pressure were found between common homo and minor allele for 46 A〉G and 79C〉G polymorphisms. Haplotype analysis showed that two hyplotypes, HI： 46A-79C-491C-523C（48%）and H5：46A-79C-491C-659G, were associated with *** ADRB2 genetic variants may play independent roles in the molecular genetic mechanism of EH in Xinjiang Kazakans population （d Geriatr Cardio12010; 7：52-57）.

关键词： β2-adrenergic receptor gene variant essential hypertension haplotype Xinjiang Kazakan

Boosting cationic and anionic redox activity of li-rich layered oxide cathodes via li/Ni disordered regulation

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Journal of Energy Chemistry 2025年第1期100卷 533-543页

作者： Zewen liu Zhen Wu Hao Wang Xudong Zhang Yuanzhen Chen Yongning liu Shengwu Guo Shenghua Chen yanli nan yan liu State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University School of Materials Science and Engineering Xi'an University of Architecture and Technology Hefei Advanced Computing Center Operation Management Corp Ltd Network Information Center Xi'an Jiaotong University

lithium-rich layered oxides （LLOs） are increasingly recognized as promising cathode materials for nextgeneration high-energy-density lithium-ion batteries （liBs）.However,they suffer from voltage decay and low initial Coulombic efficiency （ICE） due to severe structural degradation caused by irreversible O ***,we introduce a three-in-one strategy of increasing Ni and Mn content,along with li/Ni disordering and TM–O covalency regulation to boost cationic and anionic redox activity simultaneously and thus enhance the electrochemical activity of *** target material,li1.2Ni0.168Mn0.558Co0.074O2（L1）,exhibits an improved ICE of 87.2%and specific capacity of 293.2 mA h g-1and minimal voltage decay of less than 0.53 m V cycle-1over 300 cycles at 1C,compared to li1.2Ni0.13Mn0.54Co0.13O2（Ls）(274.4 mA h g-1for initial capacity,73.8%for ICE and voltage decay of 0.84 mV/cycle over 300 cycles at 1C).Theoretical calculations reveal that the density of states （DOS） area near the Fermi energy level for L1 is larger than that of Ls,indicating higher anionic and cationic redox reactivity than ***,L1 exhibits increased O-vacancy formation energy due to higher li/Ni disordering of 4.76%（quantified by X-ray diffraction Rietveld refinement） and enhanced TM–O covalency,making lattice O release more difficult and thus improving electrochemical *** increased li/Ni disordering also leads to more Ni2+presence in the li layer,which acts as a pillar during li+de-embedding,improving structural *** research not only presents a viable approach to designing low-Co LLOs with enhanced capacity and ICE but also contributes significantly to the fundamental understanding of structural regulation in high-performance liB cathodes.

关键词： Ice