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1Trends of incidence rate and age at diagnosis for cervical cancer in China,from 2000 to 2014显示文摘Objective: To analyze the trends of incidence rate and age at diagnosis for cervical cancer incidence in China using population-based cancer registration data from 2000 to 2014.Methods: Data were from National Central Cancer Registry of China.Crude incidence rates(CIRs),age-specific incidence rate,age-standardized incidence rates(ASIRs),age percentage distribution,standardized age percentage distribution,mean age at diagnosis and standardized mean age at diagnosis for cervical cancer in all areas of China,urban China and rural China were calculated separately.The world Segi's population was applied to remove the age structure influence.Joinpoint regression was performed to obtain average annual percent change(AAPC) and ageperiod-cohort analysis was used to examine the incidence trends.Results: CIRs and ASIRs for cervical cancer increased in China from 2000 to 2014.The AAPC of ASIRs in China was at 9.2% [95% confidence interval(95% CI): 7.0%–11.5%,P<0.05],and the AAPC in rural areas was relatively high.The age-specific incidence rate in groups aged 0–69 years have significantly increased over time.Groups aged 40–69 years showed the highest incidence risk,and the annual percent changes(APCs) of incidence rate in groups aged 40–59 years in urban China and groups aged 0–49 years in rural China were more than 10%.For each age group,the urban-to-rural incidence rate ratios(IRRs) got close to 1 over time.There were clear birth cohort effects in successive generations born from 1940 to 1970 in China.In rural China,the standardized mean age at diagnosis had significantly declined by 5.18 years.In China,the main peak and secondary peak of standardized age percentages appeared in the groups aged 45–49 and 40–44 years,respectively.In rural China,the main peak of standardized age percentage moved from the group aged 55–59 years to the group aged 45–49 years,and the standardized age percentages of groups aged 25–34 years also increased.In China,the standardized age percentages has significantly increased in groups aged 35–64 and 30–64 years over time,and accounted for about80% and 85% in 2014,respectively.Conclusions: The cervical cancer incidence increased in China and the gap of incidence between urban and rural China was narrowed.The trends of increasing cervical cancer incidence among younger women existed in China,especially in rural China.A more appropriate screening,vaccination and health education strategies should be established.Xueting Li Rongshou Zheng Xuemei Li Haibin Shah Qi Wu Yan Wang Wanqing Chen 2017Chinese Journal of Cancer Research2017,29,6:64
2Sonodynamic therapy(SDT): a novel strategy for cancer nanotheranostics显示文摘Sonodynamic therapy(SDT) is a promising non-invasive therapeutic modality. Compared to photo-inspired therapy, SDT provides many opportunities and benefits, including deeper tissue penetration, high precision, less side effects, and good patient compliance. Thanks to the facile engineerable nature of nanotechnology, nanoparticles-based sonosensitizers exhibit predominant advantages, such as increased SDT efficacy, binding avidity, and targeting specificity. This review aims to summarize the possible mechanisms of SDT, which can be expected to provide the theoretical basis for SDT development in the future. We also extensively discuss nanoparticle-assisted sonosensitizers to enhance the outcome of SDT. Additionally, we focus on the potential strategy of combinational SDT with other therapeutic modalities and discuss the limitations and challenges of SDT toward clinical applications.Xueting Pan Hongyu Wang Shunhao Wang Xiao Sun Lingjuan Wang Weiwei Wang Heyun Shen Huiyu Liu 2018Science China(Life Sciences)2018,61,4:26
3CXCL5/CXCR2 axis in tumor microenvironment as potential diagnostic biomarker and therapeutic target显示文摘The components of the tumor microenvironment(TME)in solid tumors,especially chemokines,are currently attracting much attention from scientists.C-X-C motif chemokine ligand 5(CXCL5)is one of the important chemokines in TME.Over-expression of CXCL5 is closely related to the survival time,recurrence and metasta-sis of cancer patients.In TME,CXCL5 binds to its receptors,such as C-X-C motif chemokine receptor 2(CXCR2),to participate in the recruitment of immune cells and promote angiogenesis,tumor growth,and metastasis.The CXCL5/CXCR2 axis can act as a bridge between tumor cells and host cells in TME.Blocking the trans-mission of CXCL5/CXCR2 signals can increase the sensitivity and effectiveness of immunotherapy and slow down tumor progression.CXCL5 and CXCR2 are also regarded as biomarkers for predicting prognosis and molecular targets for customiz-ing the treatment.In this review,we summarized the current literature regarding the biological functions and clinical significance of CXCL5/CXCR2 axis in TME.The possibility to use CXCL5 and CXCR2 as potential prognostic biomarkers and thera-peutic targets in cancer is also discussed.Wen Zhang Huishan Wang Mingyang Sun Xueting Deng Xueru Wu Yilan Ma Mengjing Li Said Maisam Shuoa Qiang You Lin Miao 2020Cancer Communications2020,40,2:19
4He-Ar Isotopic Systematics of Fluid Inclusions in Pyrites from PGEpolymetallic Deposits in Lower Cambrian Black Rock Series, South China显示文摘He-Ar isotopic compositions of fluid inclusions trapped in pyrites from some representative PGEpolymetallic deposits in Lower Cambrian black rock series in South China were analyzed by using an inert gas isotopic mass spectrometer. The results show that the ore-forming fluids possess a low 3He/4He ratio, varying from 0.43x10-8 to 26.39×10-8, with corresponding R/Ra value of 0.003-0.189. The 40Ar/36Ar ratios are 258-287, close to those of airsaturated water (ASW). He-Ar isotopic indicator studies show that the ore-forming fluids were mainly derived from the formation water or basinal hot brine and sea water, while the content of mantle-derived fluid or deep-derived magmatic water might be negligible. The PGE-polymetallic mineralization might be related to the evolution of the Caledonian miogeosynclines distributed along the southern margin of the Yangtze Craton. During the Early Cambrian, the formation water or basinal hot brine trapped in Caledonian basins which accumulated giant thick sediments was expelled and migrated laterally along strata because of the pressure generated by overlying sediments. The basinal hot brine ascended along faults, mixed with sea water and finally deposited ore minerals.SUNXiaoming WANGMin XUETing MAMingyang LIYinhe 2004Acta Geologica Sinica(English Edition)2004,78,2:17
5Parthenolide protects human lens epithelial cells from oxidative stress-induced apoptosis via inhibition of activation of caspase-3 and caspase-9显示文摘透镜的 apoptosis 上皮的房间作为奔流形成的普通基础被建议了,与是的氧化应力主要原因。这研究被执行对人的透镜的导致 oxidativestress 的 apoptosis 调查草药的成分 parthenolide 的保护的效果上皮(HLE ) 房间和可能的分子的机制包含了。HLE 房间(SRA01-04 ) 在 parthenolide (10, 20 和 50 microM ) 的不同剂量的缺席或存在与 50 microM H (2 ) O (2 ) 被孵化。到学习 apoptosis,房间被词法检查和 Annexin V-propidium 碘化物估计两倍染色的流动 cytometry;调查内在的分子的机制, caspase-3 和 caspase-9 的表示旁边是 assayed 西方的污点和量的 RT-PCR,和 caspase-3 和 caspase-9 的活动我们由 Chemicon caspase 的 remeasured 比色的活动试金工具包。为 18 h 与 H (2 ) O (2 ) 刺激了,, HLE 房间的高部分面对不同集中的 parthenolide 经历了 apoptosis, HLE 房间 apoptosis 堵住的剂量依赖者被观察。H (2 ) O (2 ) 在 HLE 房间导致的表示 ofcaspase-3 和 caspase-9 被 parthenolideboth 显著地在蛋白质和信使 rna 层次减少,并且 caspase-3 和 caspase-9 的激活被 parthenolide 也以一种剂量依赖者方式压制。在结论, parthenolide 通过 caspase-3 andcaspase-9 的激活的抑制阻止 HLEcells 氧化导致压力的 apoptosis,建议对奔流形成的潜在的保护的效果。Hangping Yao Xiajing Tang Xueting Shao Lei Feng Nanping Wu Ke Yao 2007Cell Research2007,17,6:16
6Meningeal lymphatic vessels regulate brain tumor drainage and immunity显示文摘Recent studies have shown that meningeal lymphatic vessels(MLVs),which are located both dorsally and basally beneath the skull,provide a route for draining macromolecules and trafficking immune cells from the central nervous system(CNS)into cervical lymph nodes(CLNs),and thus represent a potential therapeutic target for treating neurodegenerative and neuroinflammatory diseases.However,the roles of MLVs in brain tumor drainage and immunity remain unexplored.Here we show that dorsal MLVs undergo extensive remodeling in mice with intracranial gliomas or metastatic melanomas.RNA-seq analysis of MLV endothelial cells revealed changes in the gene sets involved in lymphatic remodeling,fluid drainage,as well as inflammatory and immunological responses.Disruption of dorsal MLVs alone impaired intratumor fluid drainage and the dissemination of brain tumor cells to deep CLNs(dCLNs).Notably,the dendritic cell(DC)trafficking from intracranial tumor tissues to dCLNs decreased in mice with defective dorsal MLVs,and increased in mice with enhanced dorsal meningeal lymphangiogenesis.Strikingly,disruption of dorsal MLVs alone,without affecting basal MLVs or nasal LVs,significantly reduced the efficacy of combined anti-PD-1/CTLA-4 checkpoint therapy in striatal tumor models.Furthermore,mice bearing tumors overexpressing VEGF-C displayed a better response to anti-PD-1/CTLA-4 combination therapy,and this was abolished by CCL21/CCR7 blockade,suggesting that VEGF-C potentiates checkpoint therapy via the CCL21/CCR7 pathway.Together,the results of our study not only demonstrate the functional aspects of MLVs as classic lymphatic vasculature,but also highlight that they are essential in generating an efficient immune response against brain tumors.Xueting Hu Qiuping Deng Lu Ma Qingqing Li Yidong Chen Yuhan Liao Fan Zhou Chen Zhang Linlin Shao Jun Feng Tubao He Weihai Ning Yan Kong Yingqing Huo Aibin He Bing Liu Jingjing Zhang Ralf Adams Yulong He Fuchou Tang Xiuwu Bian Jincai Luo 2020Cell Research2020,30,3:11
7An H3K27me3 demethylase-HSFA2 regulatory loop orchestrates transgenerational thermomemory in Arabidopsis显示文摘Global warming has profound effects on plant growth and fitness.Plants have evolved sophisticated epigenetic machinery to respond quickly to heat,and exhibit transgenerational memory of the heat-induced release of post-transtriptional gene silencing(PTGS).However,how thermomemory is transmitted to progeny and the physiological relevance are elusive.Here we show that heat-induced HEAT SHOCK TRANSCRIPTION FACTOR A2(HSFA2)directly activates the H3K27me3 demethylase RELATIVE OF EARLY FLOWERING 6(REF6),which in turn derepresses HSFA2.REF6 and HSFA2 establish a heritable feedback loop,and activate an E3 ubiquitin ligase,SUPPRESSOR OF GENE SILENCING 3(SGS3)-INTERACTING PROTEIN 1(SGIP1).SGIP1-mediated SGS3 degradation leads to inhibited biosynthesis of trans-acting siRNA(tasiRNA).The REF&HSFA2 loop and reduced tasiRNA converge to release HEAT-INDUCED TAS1 TARGET 5(HTT5),which drives early flowering but attenuates immunity.Thus,heat induces transmitted phe no types via a coordi nated epigenetic network involvi ng histone demethylases,tran scriptio n factors,and tasiRNAs,ensuring reproductive success and transgenerational stress adaptation.Junzhong Liu Lili Feng Xueting Gu Xian Deng Qi Qiu Qun Li Yingying Zhang Muyang Wang Yiwen Deng Ertao Wang Yuke He Isabel Baurle Jianming Li Xiaofeng Cao Zuhua He 2019Cell Research2019,29,5:10
8Phylogenetic constrains on mycorrhizal specificity in eight Dendrobium(Orchidaceae) species显示文摘Plant phylogeny constrains orchid mycorrhizal(OrM) fungal community composition in some orchids. Here, we investigated the structures of the OrM fungal communities of eight Dendrobium species in one niche to determine whether similarities in the OrM fungal communities correlated with the phylogeny of the host plants and whether the Dendrobium-OrM fungal interactions are phylogenetically conserved. A phylogeny based on DNA data was constructed for the eight coexisting Dendrobium species,and the OrM fungal communities were characterized by their roots. There were 31 different fungal lineages associated with the eight Dendrobium species. In total, 82.98% of the identified associations belonging to Tulasnellaceae, and a smaller proportion involved members of the unknown Basidiomycota(9.67%). Community analyses revealed that phylogenetically related Dendrobium tended to interact with a similar set of Tulasnellaceae fungi. The interactions between Dendrobium and Tulasnellaceae fungi were significantly influenced by the phylogenetic relationships among the Dendrobium species. Our results provide evidence that the mycorrhizal specificity in the eight coexisting Dendrobium species was phylogenetically conserved.Xiaoke Xing Xueting Ma Jinxin Men Yanhong Chen Shunxing Guo 2017Science China(Life Sciences)2017,60,5:10
9Interrogation of Streptomyces avermitilis for efficient production of avermectins显示文摘The 2015 Nobel Prize in Physiology or Medicine has been awarded to avermectins and artemisinin,respectively.Avermectins produced by Streptomyces avermitilis are excellent anthelmintic and potential antibiotic agents.Because wild-type strains only produce low levels of avermectins,much research effort has focused on improvements in avermectin production to meet the ever increasing demand for such compounds.This review describes the strategies that have been widely employed and the future prospects of synthetic biology applications in avermectin yield improvement.With the help of genome sequencing of S.avermitilis and an understanding of the avermectin biosynthetic/regulatory pathways,synthetic and systems biotechnology approaches have been applied for precision engineering.We focus on the design and synthesis of biological chassis,parts,devices,and modules from diverse microbes to reconstruct and optimize their dynamic processes,as well as predict favorable effective overproduction of avermectins by a 4Ms strategy(Mine,Model,Manipulation,and Measurement).Jinsong Chen Mei Liu Xueting Liu Jin Miao Chengzhang Fu Heyong Gao Rolf Muller Qing Zhang Lixin Zhang 2016Synthetic and Systems Biotechnology2016,1,1:10
10Effect of laser incident energy on microstructures and mechanical properties of 12CrNi2Y alloy steel by direct laser deposition显示文摘This work aims to establish the effect of laser energy area density(EAD) as the laser incident energy on density, microstructures and mechanical properties of direct laser deposition(DLD) 12CrNi2 Y alloy steel.The results show that the density of DLD 12CrNi2 Y alloy steel increases at initial stage and then decreases with an increase of EAD, the highest density of alloy steel sample is 98.95%. The microstructures of DLD12CrNi2 Y alloy steel samples are composed of bainite, ferrite and carbide. With increase of EAD, the microstructures transform from polygonal ferrite(PF) to granular bainite(GB). The martensite-austenite constituent(M-A) in GB transforms from flake-like paralleling to the bainite ferrite laths to granular morphology. It is also found that the average width of laths in finer GB can be refined from 532 nm to 302 nm, which improves the comprehensive properties of DLD 12 CrNi2 Y alloy steel such as high hardness of 342 ± 9 HV_(0.2), yield strength of 702 ± 16 MPa, tensile strength of 901 ± 14 MPa and large elongation of15.2%±0.6%. The DLD 12CrNi2 Y material with good strength and toughness could meet the demand of alloy steel components manufacturing.Tingting Guan Suiyuan Chen Xueting Chen Jing Liang Changsheng Liu Mei Wang 2019Journal of Materials Science & Technology2019,35,2:9
11Environmental factors influencing snowfall and snowfall prediction in the Tianshan Mountains, Northwest China显示文摘Snowfall is one of the dominant water resources in the mountainous regions and is closely related to the development of the local ecosystem and economy. Snowfall predication plays a critical role in understanding hydrological processes and forecasting natural disasters in the Tianshan Mountains, where meteorological stations are limited. Based on climatic, geographical and topographic variables at 27 meteorological stations during the cold season(October to April) from 1980 to 2015 in the Tianshan Mountains located in Xinjiang of Northwest China, we explored the potential influence of these variables on snowfall and predicted snowfall using two methods: multiple linear regression(MLR) model(a conventional measuring method) and random forest(RF) model(a non-parametric and non-linear machine learning algorithm). We identified the primary influencing factors of snowfall by ranking the importance of eight selected predictor variables based on the relative contribution of each variable in the two models. Model simulations were compared using different performance indices and the results showed that the RF model performed better than the MLR model, with a much higher R^2 value(R^2=0.74; R^2, coefficient of determination) and a lower bias error(RSR=0.51; RSR, the ratio of root mean square error to standard deviation of observed dataset). This indicates that the non-linear trend is more applicable for explaining the relationship between the selected predictor variables and snowfall. Relative humidity, temperature and longitude were identified as three of the most important variables influencing snowfall and snowfall prediction in both models, while elevation, aspect and latitude were of secondary importance, followed by slope and wind speed. These results will be beneficial to understand hydrological modeling and improve management and prediction of water resources in the Tianshan Mountains.ZHANG Xueting LI Xuemei LI Lanhai ZHANG Shan QIN Qirui 2019Journal of Arid Land2019,11,1:8
12Dating of sediment-hosted disseminated-type gold deposit by using ^40Ar/^39Ar laser probe:A case study of Changkeng large-scale gold deposit,China显示文摘Hydrothermal clay minerals that formed in the main metallogenic stage of the Changkeng disseminated-type gold deposit in central Guangdong were analyzed by the 40Ar/39Ar laser probe. The results give Ar-Ar isochron ages of 109.9 1.4 to 110.1 1.3 Ma, which are 30 to 50 Ma older than the age of silver ore bodies in the deposit. Both gold and silver mineralizations were not related to hidden granite batholith in the mining district, but probably related to evo-lution of sedimentary basins. This study shows that the 40Ar/39Ar laser probe is a sound dating tool applicable to sediment-hosted disseminated-type gold deposit.SUNXiaoming CHENWen: WANGMin XUETing SUNKai CHENBinghui 2003Chinese Science Bulletin2003,48,17:8
13Involvements of chloride ion in decolorization of Acid Orange 7 by activated peroxydisulfate or peroxymonosulfate oxidation显示文摘The effects of chloride anion (Cl-) (up to 1.0 mol/L) on the decolorization of a model compound,azo dye Acid Orange 7 (AO7),by sulfate radical (SO4-) based-peroxydisulfate (PS) or peroxymonosulfate (PMS) oxidation under various activated conditions (UV 254 nm /PS,Thermal (70°C/PS,UV 254 nm /PMS,Co 2+ /PMS) were investigated.Methanol and NH4 + were used as quenching reagents to determine the contributions of active chlorine species (dichloride radical (Cl2-.) and hypochlorous acid (HClO)).The results indicated that the effects of Cl- on the reaction mechanism were different under various activated conditions.For UV/PS and Thermal/PS,the inhibition tendency became more clear as the Cl- concentration increased,probably due to the reaction between Cl- and SO4-.and the generation of Cl2-.or HClO.For UV/PMS,Cl- did not exhibit inhibition when the concentration was below 0.1 mol/L.As Cl- concentration reached to 1.0 mol/L,the decolorization rate of AO7 was,however,accelerated,possibly because PMS directly reacts with Cl- to form HClO.For Co2+ /PMS,Cl- exhibited a significant inhibiting effect even at low concentration ( 0.01 mol/L).When Cl- concentration exceeded 0.1 mol/L,the activation of PMS by Co 2+ was almost completely inhibited.Under this condition,HClO maybe played a major role in decolorization of AO7.The results implicated that chloride ion is an important factor in SO4-.-based degradation of organic contamination in chloride-containing water.Ping Wang Shiying Yang Liang Shan Rui Niu Xueting Shao 2011Journal of Environmental Sciences2011,23,11:7
14Improved Algorithms for Removing Isolated Non-Meteorological Echoes and Ground Clutters in CINRAD显示文摘Using China New Generation Weather Radar(CINRAD) level-II data, the original algorithms for removing isolated non-meteorological echoes and ground clutters in radar data, which have been applied to Weather Surveillance Radar-1988 Doppler(WSR-88 D) in the USA and Severe Weather Automatic Nowcast(SWAN) system in China, are modified and improved. To remove isolated non-meteorological echoes, the new algorithm introduces a constraint parameter(Po) to distinguish whether a window of 5 × 5 points is isolated as external echoes. A statistical analysis of150 radar scans(5 cases, with each case comprising 30 scans) under three different echo types(small-scale convection, typhoon, and large-scale synoptic system) shows that the constraint parameter Po ≤ 0.167 is suitable for removing isolated non-meteorological echoes while preserving the edge of meteorological echoes. A new parameter, NDZ,which promotes the ability of the algorithm to identify the ground clutters appearing at two adjacent elevation angles,is constructed based on the vertical continuity of reflectivity. These improved algorithms are tested for four cases(three cases of isolated non-meteorological echoes and one case of ground clutters). Based on the statistics of 232 volume scans of radar data(on a temporal resolution of 1 h) measured at Nanchang station from 0000 UTC 5 to 1600 UTC 14 March 2015, it is found that the improved algorithms not only eliminate most(over 95% under clear-sky conditions) of the isolated non-meteorological echoes and ground clutters(including those appearing at two adjacent elevation angles), but also well preserve the structure of meteorological echoes(storms).Haibo ZOU Shuwen ZHANG Xudong LIANG Xueting YI 2018Journal of Meteorological Research2018,32,4:6
15Electrochemical behavior of microbiologically influenced corrosion on Fe_3Al in marine environment显示文摘In this article,microbiologically influenced corrosion behavior of Fe3Al intermetal-lic compound in microorganism culture medium has been investigated by using weight loss methods,electrochemical techniques,and electron microscopy.Polar-ization curves showed that a sharp electrical current peak caused by surface pitting could be observed after Fe3Al electrodes were immersed in culture medium for 15 days when the polarization potential was about-790 mV vs SCE.Based on the electrochemical impedance spectroscopy(EIS)and the equivalent circuit parameters of the associated system,the corrosion products were found to exhibit a two-layer structured feature and the microorganisms could induce pitting and erosion corrosion of the inner layer.In addition,the passivating film of the inner layer was absolutely destroyed by microbial metabolic products.Xueting CHANG Shougang CHEN Guanhui GAO Yansheng YIN Sha CHENG Tao LIU 2009Acta Metallurgica Sinica(English Letters)2009,22,4:5
16Consumer acceptability and sensory profiling of sesame oils obtained from different processes显示文摘This study aimed to investigate the effect of oil processing technologies on the sensory qualities of sesame oils and to identify drivers of liking.Using a check-all-that-apply(CATA)question and a hedonic scale,150 consumers evaluated the acceptability and sensory characteristics of 5 sesame oil samples including an aqueous extracted oil(S1),a cold-pressed oil(S2),two batches of screw-pressed oils(S3 and S5)and one crude sesame oil(S4).Solid-phase microextraction-gas chromatography-olfactometry-mass spectrometry(SPME-GC-O-MS)was used to identify odour-active compounds.The results showed that roasting,extraction techniques and filtration process influenced sensory perception and the acceptability of sesame oils.Consumers liked roasted sesame oils more than the cold-pressed sesame oil and liked the aqueous extracted sesame oil the most.Sensory attributes'sweet smell','mellow','roasted','nutty','persistent','high-intense flavour'and'cooked sesame seed flavour'were drivers of liking,while'green','raw sesame seed','rancid','woody'and'fishy'were drivers of disliking.'Burnt'flavour was liked by some while disliked by others.Pyrazines contributed to roasted flavour;2-acetylpyrrole,acetophenone and furfural contributed to nutty flavour;2-pentyl-furan,5-methyl-2-furancarboxaldehyde,and 2-phenyl-2-butenal contributed to sweet odour in the roasted sesame seeds.Nonanal,hexanal,1-hexanol and ocimene were responsible for the'green'flavour perceived in the cold-pressed oil.This study provides valuable information for sesame manufacturers on how to improve the sensory qualities of sesame oils through process manipulation to meet the needs of diverse consumers.Wenting Yin Maradza Washington Xueting Ma Xi Yang Aliu Lu Rui Shi Renyong Zhao Xuede Wang 2020Grain & Oil Science and Technology2020,3,2:5
17Effect of particle size on the transformation kinetics of flue gas desulfurization gypsum to α-calcium sulfate hemihydrate under hydrothermal conditions显示文摘The effect of particle size on the transformation kinetics of flue gas desulfurization (FGD)gypsum to α-calcium sulfate hemihydrate (α-HH)in calcium chloride (CaCl2)solutions was investigated to better guide value-added FGD gypsum use.Gypsum samples from different sources were sieved into several size groups,and their transformation rates were compared.The results showed that using FGD gypsum with a smaller particle size accelerated the transformation to α-HH.The size effect accelerated nucleation kinetics of α-HH rather than its crystal growth rate (that is,the thermodynamic driving force for the transformation changed little with particle size variation).Analysis using a kinetics model revealed that a smaller gypsum particle size lowered the overall activation energy barrier for the transformation.This is because the smaller gypsum particles had a larger relative specific surface area and thus provided more nucleation sites and crystalline defects to promote α-HH nucleation.A smaller particle size of FGD gypsum also gave a higher yield of fine α-HH particles because of the increased incidence of primary and secondary nucleation coupled with attrition.This paper indicates the transformation of FGD gypsum into α-HH could be effectively promoted by regulating FGD gypsum particle size.Hailu Fu Caiyun Jia Qiaoshan Chen Xueting Cao Xiaomin Zhang 2018Particuology2018,16,5:5
18A confinement strategy to in-situ prepare a peanut-like N-doped, C-wrapped TiO_(2) electrode with an enhanced desalination capacity and rate for capacitive deionization显示文摘Capacitive deionization(CDI)technology has been considered a promising desalination technique,especially for brackish water,because of its relatively low energy consumption,facile operation,and easy regeneration of electrodes.However,the desalination capacity,cost,fabrication method,electrochemical stability,and environmental unfriendliness of the electrodes have restricted the practical application of the CDI technique.Herein,we reported the one-step in situ preparation of nitrogen-doped and carbon-decorated MXene-derived TiO_(2)(termed N-TiO_(2−x)/C)through the confinement-growth strategy.The small particle size(∼25 nm)and uniform distribution of a peanut-like N-TiO_(2−x)/C material could be ascribed to the confined growth space created by the nanoporous structure of melamine foam.The defects produced by N doping provide an enhanced electrical conductivity and more adsorption sites,while wrapping with a carbon shell layer increases the conductivity and offers protection for N-TiO_(2−x) to achieve an excellent electrochemical stability.The prepared N-TiO_(2−x)/C electrode is hydrophilic due to the abundant oxygen-containing functional groups(e.g.,C-O,N-Ti-O,-NO_(x),and-OH)and exhibits a high salt removal capacity(33.4 mg·g^(−1)),desalination rate(1.5 mg·g^(−1)·min^(−1)),and remarkable cycling stability(without declining after 100 cycles),which might be ascribed to the synergistic effects of the short ion diffusion path,more active adsorption sites,enhanced conductivity,pseudocapacitive behavior,and protection of the carbon shell layer.This work provides a confined-growth strategy to develop MXene-derived oxide electrodes for electrochemical desalination.Mingxing Liang Xueting Bai Fei Yu Jie Ma 2021Nano Research2021,14,3:5
19Identification of an endogenous glutamatergic transmitter system controlling excitability and conductivity of atrial cardiomyocytes显示文摘As an excitatory transmitter system,the glutamatergic transmitter system controls excitability and conductivity of neurons.Since both cardiomyocytes and neurons are excitable cells,we hypothesized that cardiomyocytes may also be regulated by a similar system.Duanyang Xie Ke Xiong Xuling Su Guanghua Wang Qiang Ji Qicheng Zou Lingling Wang Yi Liu Dandan Liang Jinfeng Xue Luxin Wang Xueting Gao Xingdong Gu Hongyu Liu r Xiaoyu He Li Li Jian Yang Youming Lu Luying Peng Yi-Han Chen 2021Cell Research2021,31,9:5
20miR-410 induces both epithelial–mesenchymal transition and radioresistance through activation of the PI3K/mTOR pathway in non-small cell lung cancer显示文摘Radiotherapy remains one of the major treatments for non-small cell lung cancer(NSCLC)patients;whereas intrinsic or acquired radioresistance limits its efficacy.Nevertheless,most studies so far have only focused on acquired resistance.The exact mechanisms of intrinsic radioresistance in NSCLC are still unclear.A few studies have suggested that epithelial–mesenchymal transition(EMT)is associated with radioresistance in NSCLC.However,little is known about whether the abnormal expression of specific microRNAs induces both EMT and radioresistance.We previously found that miR-410 has multiple roles as an oncomiRNA in NSCLC.In this study,we revealed that miR-410 overexpression promoted EMT and radioresistance,accompanied by enhanced DNA damage repair both in vitro and in vivo.Conversely,knockdown of miR-410 showed the opposite effects.We further demonstrated that PTEN was a direct target of miR-410 by using bioinformatic tools and dual-luciferase reporter assays,and the miR-410-induced EMT and radioresistance were reversed by PI3K,Akt,and mTOR inhibitors or by restoring the expression of PTEN in NSCLC cells.In addition,we preliminarily found that the expression of miR-410 was positively correlated with EMT and negatively associated with the expression of PTEN in NSCLC specimens.In summary,these results demonstrated that miR-410 is an important regulator on enhancing both NSCLC EMT and radioresistance by targeting the PTEN/PI3K/mTOR axis.The findings suggest that miR-410-induced EMT might significantly contribute to the enhanced radioresistance.Therefore,miR-410 may serve as a potential biomarker or therapeutic target for NSCLC radiotherapy.Yue Yuan Hu Liao Qiang Pu Xixian Ke Xueting Hu Yongfang Ma Xinmei Luo Qianqian Jiang Yi Gong Min Wu Lunxu Liu Wen Zhu 2020Signal Transduction and Targeted Therapy2020,5,1:5
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