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| 1 | LA-ICP-MS Zircon U-Pb Dating of Intermediate-Acidic Intrusive Rocks and Molybdenite Re-Os Dating from the Bangpu Mo (Cu) Deposit, Tibet and its Geological Implication显示文摘The multi-stage intrusions of intermediate-acid magma occur in the Bangpu mining district, the petrogenic ages of which have been identified. The times and sequences of their emplacement have been collated and stipulated in detail in this paper by using the laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) zircon U-Pb dating method. The ages of biotite monzogranite that were formed before mineralization in the southwest of this mining district are 70±1 Ma (mean square of weighted deviates (MSWD) =9.5, n=8) and 60.60±0.31 Ma (MSWD=3.8, n=16), which belong to the late Cretaceous-early Paleocene in age. That means, they are products of an early tectonicmagmatic event of the collision between the Indian and Asian continentals. The ages of ore-bearing monzogranite porphyry and ore-bearing diorite porphyrite are 16.23±0.19 Ma (MSWD=2.0, n=26) and 15.16±0.09 Ma (MSWD=3.9, n=5) separately, which belong to the middle Miocene in age; namely, they are products of the Gangdese post-collision extensional stage when crust-mantle materials melted and mixed as well as magmatic intrusion simultaneously occurred. Some zircons with ages of 203.6±2.2 Ma (MSWD=1.18, n=7) were captured in the ore-bearing diorite porphyrite, which shows that there had been tectono-magmatic events in the late Triassic-early Jurassic. Molybdenum (copper) ore-bodies produced in the monzogranite porphyry and copper (molybdenum) ore-bodies produced in the diorite porphyrite are the main ore types in this ore deposit. The model ages of Re-Os isotopic dating for the 11 molybdenite are 13.97-15.84 Ma, while isochron ages are 14.09±0.49 Ma (MSWD=26). The isochron ages of seven molybdenite from molybdenum (copper) ore with monzogranite porphyry type are 14.11±0.31 Ma (MSWD=5.2). There is great error in the isochron ages of four molybdenite from copper (molybdenum) ore with diorite porphyrite type, and their weighted average model ages of 14.6±1.2 Ma (MSWD=41), which generally represent the mineralization age. The results about the Re-Os isotopic dating of molybdenite in the ore of different types have limited exactly that, the minerlazation age of this ore deposits is about 14.09 Ma, which belongs to the middle Miocene mineralization. The Bangpu deposit has a uniform metallogenic dynamics background with the porphyry type and skarn-type deposits such as Jiama, Qulong and others. | WANG Liqiang CHEN Yuchuan TANG Juxing LU Pengrui LUO Maocheng WANG Huan CHEN Wei LENG Qiufeng | 2012 | Acta Geologica Sinica(English Edition)2012，86，5： | 13 |
| 2 | Diagnostic value of elevated serum carbohydrate antigen 199 level in acute cholangitis secondary to choledocholithiasis显示文摘AIM To investigate the diagnostic value of abnormal serum carbohydrate antigen 199(CA199) level in acute cholangitis secondary to choledocholithiasis.METHODS In this retrospective cohort study, the clinical data of 727 patients with choledocholithiasis admitted to the Third Affiliated Hospital of Zunyi Medical College from June 2011 to June 2017 were collected. Among these patients, 258 patients had secondary acute cholangitis and served as observation group, and the remaining 569 choledocholithiasis patients served as the control group. Serum liver function indexes and tumor markers were detected in both groups, and the receiver operating characteristic(ROC) curves were constructed for markers showing statistical significances. The cutoff value, sensitivity, and specificity of each marker were calculated according to the ROC curves. RESULTS The results of liver function tests showed no significant differences between the two groups(P > 0.05). Tumor markers including serum CA125, CA153, carcinoembryonic antigen, and alpha fetoprotein levels were also not significantly different(P > 0.05); however, the serum CA199 level was significantly higher in the observation group than in the control group(P < 0.05). The ROC curve analysis showed that the area under the curve was 0.885(95%CI: 0.841-0.929) for CA199, and the cutoff value of 52.5 kU/L had the highest diagnostic accuracy, with a sensitivity of 86.8% and a specificity of 81.6%.CONCLUSION Abnormally elevated serum CA199 level has an important value in the diagnosis of acute cholangitis secondary to choledocholithiasis. It may be a specific inflammatory marker for acute cholangitis. | Yong Mei Li Chen Ci-Jun Peng Jun Wang Peng-Fei Zeng Guo-Xing Wang Wen-Ping Li Yan-Qing Luo Chao Du Kai Liu Kun Xiong Kai Leng Chun-Lin Feng Ji-Hu Jia | 2018 | World Journal of Clinical Cases2018，6，11： | 11 |
| 3 | Effect of Kovar alloy oxidized in simulated N_2/H_2O atmosphere on its sealing with glass显示文摘The effect of Kovar alloy oxidized in simulated field atmosphere on its sealing with glass was studied in this article.After Kovar plates and pins were preoxidized in N_2 with 0℃,10℃and 20℃dew points at 1000℃for different times,Fe_3O_4 and Fe_2O_3 existed in the oxidation products on Kovar surface,and the quantity of Fe_2O_3 increased with increasing dew point and oxidation time. Then they were sealed with borosilicate glass insulator at 1030℃for 20 min.The results indicated that the type and quantity of oxi- dation products would directly influence the quality of glass-to-metal seals.With the increase of oxidation products,gas bubbles in the glass insulator were more serious,the climbing height of glass along the pins was higher,and corrosion of Kovar pins caused from the molten glass was transformed from uniform to the localized. | Dawei Luo Wenbo Leng Zhuoshen Shen | 2008 | Journal of University of Science and Technology Beijing2008，15，3： | 5 |
| 4 | Pathogenesis of NASH and Promising Natural Products显示文摘Nonalcoholic steatohepatitis(NASH)is a common clinical condition that can lead to advanced liver diseases.The mechanism of the diaease progression,which is lacking effective therapy,remains obsure.Therefore,there is a need to understand the pathogenic mechanisms responsible for disease development and progression in order to develop innovative therapies.To accomplish this goal,experimental animal models that recapitulate the human disease are necessary.Currently,an increasing number of studies have focused on natural constituents from medicinal plants which have been emerged as a new hope for NASH.This review summarized the pathogenesis of NASH,animal models commonly used,and the promising targets for therapeutics.We also reviewed the natural constituents as potential NASH therapeutic agents. | LENG Ying-Rong ZHANG Mei-Hui LUO Jian-Guang ZHANG Hao | 2021 | Chinese Journal of Natural Medicines2021，19，1： | 5 |
| 5 | Bioactive antiinflammatory antibacterial hemostatic citrate-based dressing with macrophage polarization regulation for accelerating wound healing and hair follicle neogenesis显示文摘The efficient cutaneous wound healing accompanied with the enhanced skin appendage regeneration is still a challenge.The bacterial infection and excessive/prolonged inflammation inhibit wound healing process and result in the scar formation.Herein,we reported an anti-inflammatory polycitrate-polyethyleneimine-Ibuprofen(PCEI)and multifunctional PCEI-based F127-ε-polypeptide-alginic(FEA)dressing(FEA-PCEI)for accelerating wound healing and hair follicle neogenesis.PCEI showed the excellent anti-inflammation function through stimulating macrophage towards anti-inflammatory M2 subtype polarization.The FEA-PCEI dressing showed the temperature-response gelation,injectability,robust antibacterial activity,light-damage-resistant,homeostasis ability,and good cytocompatibility.The optimized dosage of FEA-PCEI dressing could significantly accelerate wound healing with anti-infection ability,reduce the scar formation,and promote the hair follicle neogenesis.This study provided a wound-repairing strategy through regulating the phenotype of immune cells by the designing bioactive multifunctional biomaterials. | Wenguang Liu Min Wang Wei Cheng Wen Niu Mi Chen Meng Luo Chenxi Xie Tongtong Leng Long Zhang Bo Lei | 2021 | Bioactive Materials2021，6，3： | 4 |
| 6 | Combining cold sintering and Bi_(2)O_(3)-Activated liquid-phase sintering to fabricate high-conductivity Mg-doped NASICON at reduced temperatures显示文摘The cold sintering process(CSP)and Bi_(2)O_(3)-activated liquid-phase sintering(LPS)are combined to densify Mg-doped NASICON(Na_(3.256)Mg_(0.128)Zr_(1.872)Si_(2)PO_(12))to achieve high densities and conductivities at reduced temperatures.As an example,a cold-sintered specimen with the addition of 1.1wt%Bi_(2)O_(3)sintering additive achieved a high conductivity of 0.91 mS/cm(with~96%relative density)after annealing at 1000℃;this conductivity is>70%higher than that of a cold-sintered specimen without adding the Bi_(2)O_(3)sintering additive,and it is>700%of the conductivity of a dry-pressed counterpart with the same amount of Bi_(2)O_(3)added,all of which are subjected to the same heating profile.The highest conductivity achieved in this study via combining CSP and Bi_(2)O_(3)-activated LSP is>1.5 mS/cm.This study suggests an opportunity to combine the new CSP with the traditional LPS to sinter solid electrolytes to achieve high densities and conductivities at reduced temperatures.This combined CSP-LPS approach can be extended to a broad range of other materials to fabricate the“thermally fragile”solid electrolytes or solid-state battery systems,where reducing the processing temperature is often desirable. | Haoyang Leng Jiuyuan Nie Jian Luo | 2019 | Journal of Materiomics2019，5，2： | 4 |
| 7 | COVID-19-associated monocytic encephalitis(CAME):histological and proteomic evidence from autopsy显示文摘Severe neurological symptoms are associated with Coronavirus disease 2019(COVID-19).However,the morphologic features,pathological nature and their potential mechanisms in patient brains have not been revealed despite evidence of neurotropic infection.In this study,neuropathological damages and infiltrating inflammatory cells were quantitatively evaluated by immunohistochemical staining,ultrastructural examination under electron microscopy,and an image threshold method,in postmortem brains from nine critically ill COVID-19 patients and nine age-matched cadavers of healthy individuals.Differentially expressed proteins were identified by quantitative proteomic assays.Histopathological findings included neurophagocytosis,microglia nodules,satellite phenomena,extensive edema,focal hemorrhage,and infarction,as well as infiltrating mononuclear cells.Immunostaining of COVID-19 brains revealed extensive activation of both microglia and astrocytes,severe damage of the blood-brain barrier(BBB)and various degrees of perivascular infiltration by predominantly CD14+/CD16+/CD141+/CCR7+/CD11c+monocytes and occasionally CD4+/CD8+T lymphocytes.Quantitative proteomic assays combined with bioinformatics analysis identified upregulated proteins predominantly involved in immune responses,autophagy and cellular metabolism in COVID-19 patient brains compared with control brains.Proteins involved in brain development,neuroprotection,and extracellular matrix proteins of the basement membrane were downregulated,potentially caused by the activation of transforming growth factorβreceptor and vascular endothelial growth factor signaling pathways.Thus,our results define histopathological and molecular profiles of COVID-19-associated monocytic encephalitis(CAME)and suggest potential therapeutic targets. | Pei-Pei Zhang Zhi-Cheng He Xiao-Hong Yao Rui Tang Jie Ma Tao Luo Chuhong Zhu Tian-Ran Li Xindong Liu Dingyu Zhang Shuyang Zhang Yi-Fang Ping Ling Leng Xiu-Wu Bian | 2023 | Signal Transduction and Targeted Therapy2023，8，2： | 3 |
| 8 | Thermal structure of continental subduction zone: high temperature caused by the removal of the preceding oceanic slab显示文摘The thermal structure of the continental subduction zone can be deduced from high-pressure and ultra-high-pressure rock samples or numerical simulation.However,petrological data indicate that the temperature of subducted continental plates is generally higher than that derived from numerical simulation.In this paper,a two-dimensional kinematic model is used to study the thermal structure of continental subduction zones,with or without a preceding oceanic slab.The results show that the removal of the preceding oceanic slab can effectively increase the slab surface temperature of the continental subduction zone in the early stage of subduction.This can sufficiently explain the difference between the cold thermal structure obtained from previous modeling results and the hot thermal structure obtained from rock sample data. | Ting Luo Wei Leng | 2021 | Earth and Planetary Physics2021，5，3： | 3 |
| 9 | Chlorine doped graphitic carbon nitride nanorings as an efficient photoresponsive catalyst for water oxidation and organic decomposition显示文摘Rationally engineering the microstructure and electronic structure of catalysts to induce high activity for versatile applications remains a challenge. Herein, chlorine doped graphitic carbon nitride(Cl-doped g-C3N4) nanorings have been designed as a superior photocatalyst for pollutant degradation and oxygen evolution reaction(OER). Remarkably, Cl-doped g-C3N4 nanorings display enhanced OER performance with a small overpotential of approximately 290 m V at current density of 10 m A cm^-2 and Tafel slope of 83 m V dec-1, possessing comparable OER activity to precious metal oxides RuO2 and IrO2/C. The excellent catalytic performance of Cl-doped g-C3N4 nanorings originates from the strong oxidation capability,abundant active sites exposed and efficient charge transfer. More importantly, visible light irradiation gives rise to a prominent improvement of the OER performance, reducing the OER overpotential and Tafel slope by 140 m V and 28 m V dec^-1, respectively, demonstrating the striking photo-responsive OER activity of Cl-doped g-C3N4 nanorings. The great photo-induced improvement in OER activity would be related to the efficient charge transfer and the·OH radicals arising spontaneously on CN-Cl100 catalyst upon light irradiation. This work establishes Cl-doped g-C3N4 nanorings as a highly competitive metal-free candidate for photoelectrochemical energy conversion and environmental cleaning application. | Er-Xun Han Yuan-Yuan Li Qi-Hao Wang Wei-Qing Huang Leng Luo Wangyu Hu Gui-Fang Huang | 2019 | Journal of Materials Science & Technology2019，35，10： | 2 |
| 10 | Stability of superconducting Nd_(0.8)Sr_(0.2)NiO_(2) thin films显示文摘The discovery of superconducting states in the nickelate thin film with infinite-layer structure has paved a new way for studying unconventional superconductivity.So far,research in this field is still very limited due to difficulties in sample preparation.Here we report the successful preparation of the superconducting state of Nd_(0.8)Sr_(0.2)NiO_(2)thin film(T_(c)=8.0-11.1 K)and study the stability of such films in the ambient environment,water,and under electrochemical conditions.Our work demonstrates that the superconducting state of Nd_(0.8)Sr_(0.2)NiO_(2)is remarkably stable,which can last for at least 47-day continuous exposure to air at 20°C and 35%relative humidity.We also show that the superconductivity disappears after being immersed in de-ionized water at room temperature for 5 h.Surprisingly,it can also survive under ionic liquid gating conditions with an applied voltage of about 4 V,which is even more stable than conventional perovskite complex oxides. | Xiang Ding Shengchun Shen Huaqian Leng Minghui Xu Yan Zhao Junrui Zhao Xuelei Sui Xiaoqiang Wu Haiyan Xiao Xiaotao Zu Bing Huang Huiqian Luo Pu Yu Liang Qiao | 2022 | Science China(Physics,Mechanics & Astronomy)2022，65，6： | 2 |
| 11 | PCR-based site-directed mutagenesis显示文摘 | LUO SP LENG XG | 2005 | Biomedical Engineering Foreign Medical Sciences2005，28，3： | 1 |
| 12 | TLR3signaling in macrophages is indispensable for the protective immunity of invariant natural killer T cells against enterovirus 71infection显示文摘 | Zhu K Yang J Luo K Yang C Zhang N Xu R Chen J Jin M Xu B Guo N Wang J Chen Z Cui Y Zhao H Wang Y Deng C Bai L Ge B Qin C F Shen H Yang C F Leng Q | 2015 | PLoS Pathog2015，11，10： | 1 |
| 13 | NHC-catalysed retro-aldol/aldol cascade reaction enabling solvent-controlled stereodivergent synthesis of spirooxindoles显示文摘An N-heterocyclic carbene(NHC)-catalysed retro-aldol/aldol cascade reaction of spirooxindole-basedβ-hydroxyaldehyde has been developed.The ring opening-closure process enables the diastereodivergent synthesis of spirocyclopentaneoxindole products with four consecutive stereocenters by simply changing the reaction solvents(THF or DCE).The Michael/aldol/retro-aldol/aldol sequential protocol allows the diastereodivergent synthesis of spirocyclopentaneoxindoles from 3-substituted oxindole andα,β-unsaturated aldehyde under the relay catalysis of a chiral secondary amine and an NHC catalyst.Moreover,four stereoisomers of the product can be selectively provided by using different combinations of a chiral secondary amine and a solvent. | Haijun Leng Qian Zhao Qing Mao Shuaijiang Liu Menglan Luo Rui Qin Wei Huang Gu Zhan | 2021 | Chinese Chemical Letters2021，32，8： | 1 |
| 14 | Identifying infection sources and regions in large networks 显示文摘 | Luo W Tay W P Leng M | 2013 | IEEE Transactions on Signal Processing2013，61，1： | 1 |
| 15 | The expression profiling of the CsPYL,CsPP2C and CsSnRK2 gene families during fruit development and drought stress in cucumber显示文摘 | Wang Y Wu Y Duan C Chen P Li Q Dai S Sun L Ji K Sun Y Xu W Wang C Luo H Wang Y Leng P | 2012 | Journal of Plant Physiology2012，169，18： | 1 |
| 16 | Qualifying for a government's scrappage program to stimulate consumers' trade-in transactions? Analysis of an automobile supply chain involving a manufacturer and a retailer显示文摘 | HUANG J LENG M M LIANG L P LUO C L | 2014 | European Journal of Operational Research2014，239，2： | 1 |
| 17 | TLR3 signaling in macrophages is indispensable for the protective immunity of invariant natural killer T cells against enterovirus 71 infection 显示文摘 | Zhu K Yang J Luo K Yang C Zhang N Xu R Chen J Jin M Xu B Guo N Wang J Chen Z Cui Y Zhao H Wang Y Deng C Bai L Ge B Qin CF Shen H Yang CF Leng Q | 2015 | PLoS Pathog2015，11，10： | 1 |
| 18 | The decomposition of NO on CNTs and 1 wt% Rh/CNTs显示文摘 | Luo J Z Cao L Z Leng Y L | 2000 | Catal Lett2000，66，12： | 1 |
| 19 | Characterization of pyrolytic lignins with different activities obtained from bio-oil显示文摘Pyrolytic lignin, the water-insoluble fraction in bio-oil, often shows a high content and has strong intermolecular interactions with other compounds in bio-oil. In order to obtain pure pyrolytic lignin and facilitate the utilization of aqueous phase obtained from water extraction of bio-oil, methanol–water extraction method was employed to further separate the bio-oil water-insoluble phase in this paper. Different technologies, including Fourier transform infrared spectroscopy, gel permeation chromatography, and nuclear magnetic resonance, were adopted to characterize the structures of pyrolytic lignins with different activities obtained through this method. Both the heating value and the polymerization degree of high-molecular-weight pyrolytic lignin were higher than those of low-molecular-weight pyrolytic lignin. The molecular weight distribution of high-molecular-weight pyrolytic lignin was relatively wider, among which the contents of dimers to pentamers all accounted for 12% –18%,while the low-molecular-weight pyrolytic lignin mainly consisted of trimers(75.38%). The pyrolytic lignins had similar basic structures, both of which contained syringyl and guaiacyl units, whereas the low-molecular-weight pyrolytic lignin had more abundant syringyl units, reactive carbonyl groups and hydroxyl groups. Meanwhile,thermogravimetric study revealed that the final char residue yield of low-molecular-weight pyrolytic lignin was lower than that of high-molecular-weight pyrolytic lignin. | Furong Leng Yurong Wang Junhao Chen Shurong Wang Jinsong Zhou Zhongyang Luo | 2017 | Chinese Journal of Chemical Engineering2017，25，3： | 1 |
| 20 | Subinhibitory concentrations of peril-Ia oil affect the expression of secreted virulence factor genes inStaphylococcus aureus显示文摘 | QIU J ZHANG X LUO M LI H DONG J WANG J LENG B WANG X FENG H REN W | 2011 | Public Library of Science one2011，6，1： | 1 |
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