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| 1 | Denitrification characteristics of a marine origin psychrophilic aerobic denitrifying bacterium显示文摘A psychrophilic aerobic denitrifying bacterium,strain S1-1,was isolated from a biological aerated filter conducted for treatment of recirculating water in a marine aquaculture system.Strain S1-1 was preliminarily identified as Psychrobacter sp.based on the analysis of its 16S rRNA gene sequence,which showed 100% sequence similarity to that of Psychrobacter sp.TSBY-70.Strain S1-1 grew well either in high nitrate or high nitrite conditions with a removal of 100% nitrate or 63.50% nitrite,and the total nitrogen removal rates could reach to 46.48% and 31.89%,respectively.The results indicated that nitrate was mainly reduced in its logarithmic growth phase with a very low leve1 accumulation of nitrite,suggesting that the aerobic denitrification process of strain S1-1 occurred mainly in this phase.The GC-MS results showed that N 2 O was formed as the major intermediate during the aerobic denitrifying process of strain S1-1.Finally,factors affecting the growth of strain S1-1 and its aerobic denitrifying ability were also investigated.Results showed that the optimum aerobic denitrification conditions for strain S1-1 were sodium succinate as carbon source,C/N ratio15,salinity 10 g/L NaCl,incubation temperature 20°C and initial pH 6.5. | Haiyan Zheng Ying Liu Guangdong Sun Xiyan Gao Qingling Zhang Zhipei Liu | 2011 | Journal of Environmental Sciences2011,23,11: | 32 |
| 2 | The willow genome and divergent evolution from poplar after the common genome duplication显示文摘 | Xiaogang Dai Quanjun Hu Qingle Cai Kai Feng Ning Ye Gerald A Tuskan Richard Milne Yingnan Chen Zhibing Wan Zefu Wang Wenchun Luo Kun Wang Dongshi Wan Mingxiu Wang Jun Wang Jianquan Liu Tongming Yin | 2014 | Cell Research2014,24,10: | 28 |
| 3 | Mechanism of lead immobilization by oxalic acid-activated phosphate rocks显示文摘Lead (Pb) chemical fixation is an important environmental aspect for human health. Phosphate rocks (PRs) were utilized as an adsorbent to remove Pb from aqueous solution. Raw PRs and oxalic acid-activated PRs (APRs) were used to investigate the effect of chemical modification on the Pb-binding capacity in the pH range 2.0-5.0. The Pb adsorption rate of all treatments above pH 3.0 reached 90%. The Pb binding on PRs and APRs was pH-independent, except at pH 2.0 in activated treatments. The X-ray diffraction analysis confirmed that the raw PRs formed cerussite after reacting with the Pb solution, whereas the APRs formed pyromorphite. The Fourier Transform Infrared spectroscopy analysis indicated that carbonate (CO32-) in raw PRs and phosphate (PO43-) groups in APRs played an important role in the Pb-binding process. After adsorption, anomalous block-shaped particles were observed by scanning electron microscopy with energy dispersive spectroscopy. The X-ray photoelectron spectroscopy data further indicated that both chemical and physical reactions occurred during the adsorption process according to the binding energy. Because of lower solubility of pyromorphite compared to cerussite, the APRs are more effective in immobilizing Pb than that of PRs. | Guanjie Jiang Yonghong Liu Li Huang Qingling Fu Youjun Deng Hongqing Hu | 2012 | Journal of Environmental Sciences2012,24,5: | 12 |
| 4 | Optimization of clay material mixture ratio and filling process in gypsum mine goaf显示文摘Because there is neither waste rock nor mill tailings in the gypsum mine, and the buildings on the goaf of gypsum mine are needed to be protected, the research proposed the scheme of the clay filling technology. Gypsum, cement, lime and water glass were used as adhesive, and the strength of different material ratios were investigated in this study. The influence factors of clay strength were obtained in the order of cement, gypsum, water glass and lime. The results show that the cement content is the determinant influence factor, and gypsum has positive effects, while the water glass can enhance both clay strength and the fluidity of the filing slurry. Furthermore, combining chaotic optimization method with neural network, the optimal ratio of composite cementing agent was obtained. The results show that the optimal ratio of water glass, cement, lime and clay (in quality) is 1.17:6.74:4.17:87.92 in the process of bottom self-flow filling, while the optimal ratio is 1.78:9.58:4.71:83.93 for roof-contacted filling. A novel filling process to fill in gypsum mine goaf with clay is established. The engineering practice shows that the filling cost is low, thus, notable economic benefit is achieved. | Liu Zhixiang Dang Wengang Liu Qingling Chen Guanghui Peng Kang | 2013 | International Journal of Mining Science and Technology2013,23,3: | 11 |
| 5 | Recent advances in ionic liquids-based hybrid processes for CO_(2) capture and utilization显示文摘CO_(2) capture and utilization(CCU)is an effective strategy to mitigate global warming.Absorption,adsorption and membranes are methods used for CO_(2) separation and capture,and various catalytic pathways have also been developed for CO_(2) utilization.Although widely researched and used in industry,these processes are energy-intensive and this challenge needs to be overcome.To realize further optimization,novel materials and processes are continuously being developed.New generation materials such as ionic liquids(ILs)have shown promising potential for cost-effective CO_(2) capture and utilization.This study reviews the current status of ILs-based solvents,adsorbents,membranes,catalysts and their hybrid processes for CO_(2) capture and utilization.The special properties of ILs are integrated into new materials through hybridization,which significantly improves the performance in the process of CCU. | Shaohan Lian Chunfeng Song Qingling Liu Erhong Duan Hongwei Ren Yutaka Kitamura | 2021 | Journal of Environmental Sciences2021,33,1: | 9 |
| 6 | Immobilization of lead in anthropogenic contaminated soils using phosphates with/without oxalic acid显示文摘Understanding the effects of oxalic acid(OA) on the immobilization of Pb(Ⅱ) in contaminated soils by phosphate materials, has considerable benefits for risk assessment and remediation strategies for the soil. A series of phosphate amendments with/without oxalic acid were applied to two anthropogenic contaminated soils. We investigated the immobilization of Pb(Ⅱ) by KH2PO4, phosphate rock(PR), activated phosphate rock(APR) and synthetic hydroxyapatite(HAP) at different phosphate:Pb(P:Pb) molar ratios(0, 0.6, 2.0 and 4.0) in the presence/absence of 50 mmol oxalic acid/kg soil, respectively. The effects of treatments were evaluated using single extraction with deionized water or Ca Cl2, Community Bureau of Reference(BCR) sequential extraction and toxicity characteristic leaching procedure(TCLP)methods. Our results showed that the concentration of water extractable, exchangeable and TCLP-Pb all decreased with incubation time. The concentration of water-extractable Pb after120 days was reduced by 100% when soils were amended with APR, HAP and HAP + OA, and the TCLP-Pb was <5 mg/L for the red soil at P:Pb molar ratio 4.0. Water-soluble Pb could not be detected and the TCLP-Pb was <5 mg/L at all treatments applied to the yellow-brown soil. BCR results indicated that APR was most effective, although a slight enhancement of water-soluble phosphate was detected at the P:Pb molar ratio 4.0 at the beginning of incubation. Oxalic acid activated phosphates, and so mixing insoluble phosphates with oxalic acid may be a useful strategy to improve their effectiveness in reducing Pb bioavailability. | Xiaojuan Su Jun Zhu Qingling Fu Jichao Zuo Yonghong Liu Hongqing Hu | 2015 | Journal of Environmental Sciences2015,27,2: | 9 |
| 7 | Comparing the regeneration potential between PLLA/Aragonite and PLLA/ Vaterite pearl composite scaffolds in rabbit radius segmental bone defects显示文摘Mussel-derived nacre and pearl,which are natural composites composed CaCO3 platelets and interplatelet organic matrix,have recently gained interest due to their osteogenic potential.The crystal form of CaCO3 could be either aragonite or vaterite depending on the characteristics of mineralization template within pearls.So far,little attention has been paid on the different osteogenic capacities between aragonite and vaterite pearl.In the current work,aragonite or vaterite pearl powders were incorporated into poly-L-lactic acid(PLLA)scaffold as bio-functional fillers for enhanced osteogenesis.In intro results revealed that PLLA/aragonite scaffold possessed stronger stimulatory effect on SaOS-2 cell proliferation and differentiation,evidenced by the enhanced cell viability,alkaline phosphatase activity,collagen synthesis and gene expressions of osteogenic markers including osteocalcin,osteopotin and bone sialoprotein.The bone regeneration potential of various scaffolds was evaluated in vivo employing a rabbit critical-sized radial bone defect model.The X-ray and micro-CT results showed that significant bone regeneration and bridging were achieved in defects implanted with composite scaffolds,while less bone formation and non-bridging were found for pure PLLA group.Histological evaluation using Masson's trichrome and hematoxylin/eosin(H&E)staining indicated a typical endochondral bone formation process conducted at defect sites treated with composite scaffolds.Through three-point bending test,the limbs implanted with PLLA/aragonite scaffold were found to bear significantly higher bending load compared to other two groups.Together,it is suggested that aragonite pearl has superior osteogenic capacity over vaterite pearl and PLLA/aragonite scaffold can be employed as a potential bone graft for bone regeneration. | Qianli Huang Yuansheng Liu Zhengxiao Ouyang Qingling Feng | 2020 | Bioactive Materials2020,5,4: | 7 |
| 8 | The enhanced permeability and retention effect based nanomedicine at the site of injury显示文摘The enhanced permeability retention(EPR)effect based nanomedicine has been widely used for tumor targeting during the past decades.Here we unexpectedly observed the similar'EPR effect'at the site of iniury.We found that the temporary dilated and leaky blood vessels caused by the potent vasodilator histamine in response to injury allowed the injected nanoparticles to pass through the vasculature and reached the injured tissue.Our finding shows the potential underline mechanism of'EPR effect'at the injured site.By loading with antibiotics,we further demonstrated a new strategy for prevention of infection at the site of injury. | Yingjun Liu Dongdong Sun Qin Fan Qingle Ma Ziliang Dong Weiwei Tao Huiquan Tao Zhuang Liu Chao Wang | 2020 | Nano Research2020,13,2: | 6 |
| 9 | Specific heat treatment of selective laser melted Ti-6AI-4V for biomedical applications显示文摘 | Qianli HUANG Xujie LIU Xing YANG Ranran ZHANG Zhijian SHEN Qingling FENG | 2015 | Frontiers of Materials Science2015,9,4: | 5 |
| 10 | Early diagenetic growth of carbonate concretions in the upper Doushantuo Formation in South China and their significance for the assessment of hydrocarbon source rock显示文摘Mineralogical and textural characteristics and organic carbon composition of the carbonate concretions from the upper Doushantuo Formation (ca. 551 Ma) in the eastern Yangtze Gorge area reveal their early diagenetic (shallow) growth in organic-rich shale. High organic carbon content (up to 10%) and abundance of framboidal pyrites in the hosting shale suggest an anoxic or euxinic depositional environment. Well-preserved cardhouse clay fabrics in the concretions suggest their formation at 0-3 m burial depth, likely associated with microbial decomposition of organic matter and anaerobic oxidation of methane. Gases through decomposition of organic matter and/or from methanogenesis created bubbles and cavities, and anaerobic methane oxidation at the sulfate reduction zone resulted in carbonate precipitation, filling in bubbles and cavities to form spherical structures of the concretions. Rock pyrolysis analyses show that the carbonate concretions have lower total organic carbon (TOC) content but higher effective carbon than those in the host rocks. This may be caused by enclosed organic matter in pores of the concretions so that organic matter was protected from further modification during deep burial and maintained high hydrocarbon generating potential even in over-matured source rock. As a microbialite sensu latu, concretions have special growth conditions and may provide important information on the microbial activities in depositional and early burial environments. | DONG Jin ZHANG ShiHong JIANG GanQing ZHAO QingLe LI HaiYan SHI XiaoYing LIU JunLai | 2008 | Science China Earth Sciences2008,51,9: | 4 |
| 11 | Potential applications of porous organic polymers as adsorbent for the adsorption of volatile organic compounds显示文摘Volatile organic compounds(VOCs)with high toxicity and carcinogenicity are emitted from kinds of industries,which endanger human health and the environment.Adsorption is a promising method for the treatment of VOCs due to its low cost and high efficiency.In recent years,activated carbons,zeolites,and mesoporous materials are widely used to remove VOCs because of their high specific surface area and abundant porosity.However,the hydrophilic nature and low desorption rate of those materials limit their commercial application.Furthermore,the adsorption capacities of VOCs still need to be improved.Porous organic polymers(POPs)with extremely high porosity,structural diversity,and hydrophobic have been considered as one of the most promising candidates for VOCs adsorption.This review generalized the superiority of POPs for VOCs adsorption compared to other porous materials and summarized the studies of VOCs adsorption on different types of POPs.Moreover,the mechanism of competitive adsorption between water and VOCs on the POPs was discussed.Finally,a concise outlook for utilizing POPs for VOCs adsorption was discussed,noting areas in which further work is needed to develop the next-generation POPs for practical applications. | Shuangchun Lu Qingling Liu Rui Han Miao Guo Jiaqi Shi Chunfeng Song Na Ji Xuebin Lu Degang Ma | 2021 | Journal of Environmental Sciences2021,33,7: | 4 |
| 12 | Incorporation of silica nanoparticles to PLGA electrospun fibers for osteogenic differentiation of human osteoblast-like cells显示文摘The development of bone tissue engineering scaffolds still remains a challenging field,although various biomaterials have been developed for this purpose.Electrospinning is a promising approach to fabricate nanofibers with an interconnected porous structure,which can support cell adhesion,guide cell proliferation and regulate cell differentiation.The aim of this study is to fabricate composite fibers composed of poly(lactic-co-glycolic acid)(PLGA)and silica nanoparticles(NPs)via electrospinning and investigate the effect of PLGA/SiO_(2)composite fibers on the cellular response of osteoblast-like cells(SaOS-2 cells).SEM and EDX analysis showed that silica NPs were homogenously dispersed in the composite fibers.The mechanical behavior of the fibers showed that silica NPs acted as reinforcements at concentrations of 2.5 and 5 mg/ml.The incorporation of silica NPs led to enhancement of cell attachment and spreading on PLGA/SiO_(2)composite fibers.SaOS-2 cells cultured on PLGA/SiO_(2)composite fibers exhibited increased alkaline phosphatase activity,collagen secretion and bone nodules formation.The bone nodules formation of SaOS-2 cells increased along with the amount of incorporated silica NPs.The present findings indicate that PLGA/SiO_(2)composite fibers can stimulate osteogenic differentiation of SaOS-2 cells and may be a promising candidate scaffold for bone tissue engineering. | Xing Yang Yuanyuan Li Xujie Liu Qianli Huang Ranran Zhang Qingling Feng | 2018 | Regenerative Biomaterials2018,5,4: | 4 |
| 13 | Calcium carbonate nanoparticles promote osteogenesis compared to adipogenesis in human bone-marrow mesenchymal stem cells显示文摘Rhombohedron-like and fusiform calcium carbonate nanoparticles were fabricated using a new method. Their geometry was controlled by varying the mixing speed and ratio of ethanol versus water in reaction system. The calcium carbonate nanoparticles(CCNPs) have slight effect on viability of human bone-marrow mesenchymal stem cells(hBMSCs) with dose-dependent and shape-dependent, but they can significantly promote osteogenic differentiation of hBMSCs in vitro by 10–37% increase of alkaline phosphatase(ALP) activity, 9–36% growth of collagen secretion and 1.13–1.83 folds upregulation of osteogenesis-related genes, even at lower dose ranges(5–20 μg/ml). The efficacity of promoting osteogenesis depends on the shape and dose of CCNPs. Furthermore,adipogenesis was inhibited by less accumulation of lipid droplets, lower triglyceride(TG) secretion and downregulation of adipogenesis-related genes. These findings improve the understanding of effects CCNPs on hBMSCs fate towards osteoblasts or adipocytes and have meaningful impact for combining use of CCNPs and hBMSCs in tissue engineering and regenerative medicine fields. | Xiaoning Li Xing Yang Xujie Liu Wei He Qianli Huang Shengrong Li Qingling Feng | 2018 | Progress in Natural Science:Materials International2018,28,5: | 3 |
| 14 | Construction of robust coupling interface between MoS2 and nitrogen doped graphene for high performance sodium ion batteries显示文摘As a layered inorganic material,MoS2 has recently attracted intensive attention as anode for sodium ion batteries(SIBs).However,this anode is plagued with low electronic conductivity,serious volume expansion and sluggish kinetics,resulting in capacity fading and poor rate performance.Herein,we develop an interface engineering strategy to substantially enhance the sodium storage performance of MoS2 by incorporating layered MoS2 into three dimensional N-doped graphene scaffold.The strong coupling-interface between MoS2 and N-doped graphene scaffold can not only stabilize the MoS2 structure during sodium insertion/extraction processes,but also provide plenty of anchor sites for additional surface sodium storage.The 3D MoS2@N-doped graphene composite as anode for SIBs performs an outstanding specific capacity of 667.3 mA h g^-1 at 0.2 A g^-1,a prolonged stability with a capacity retention of 94.4%after 140cycles and excellent rate capability of 445 mA h g^-1 even at a high rate of 10 A g^-1.We combined experiment and theoretical simulation to further disclose the interaction between MoS2 and N-doped graphene,adsorption and diffusion of sodium on the composite and the corresponding sodium storage mechanism.This study opens a new door to develop high performance SIBs by introducing the interface engineering technique. | Yun Qiao Jiawei Wu Xiaoguang Cheng Yudong Pang Zhansheng Lu Xiangdong Lou Qingling Li Jin Zhao Shuting Yang Yang Liu | 2020 | Journal of Energy Chemistry2020,29,9: | 3 |
| 15 | Hyperthermia based individual in situ recombinant vaccine enhances lymph nodes drainage for de novo antitumor immunity显示文摘The continuing challenges that limit effectiveness of tumor therapeutic vaccines were high heterogeneity of tumor immunogenicity, low bioactivity of antigens, as well as insufficient lymph nodes(LNs) drainage of antigens and adjuvants. Transportation of in situ neoantigens and adjuvants to LNs may be an effective approach to solve the abovementioned problems. Therefore, an FA-TSL/AuNCs/SV nanoplatform was constructed by integrating simvastatin(SV) adjuvant loaded Au nanocages(AuNCs)as cores(AuNCs/SV) and folic acid modified thermal-sensitive liposomes(FA-TSL) as shells to enhance de novo antitumor immunity. After accumulation in tumor guided by FA, AuNCs mediated photothermal therapy(PTT) induced the release of tumor-derived protein antigens(TDPAs) and the shedding of FATSL. Exposed AuNCs/SV soon captured TDPAs to form in situ recombinant vaccine(AuNCs/SV/TDPAs). Subsequently, AuNCs/SV/TDPAs could efficiently transport to draining LNs owing to the hyperthermia induced vasodilation effect and small particle size, achieving co-delivery of antigens and adjuvant for initiation of specific T cell response. In melanoma bearing mice, FA-TSL/AuNCs/SV and laser irradiation effectively ablated primary tumor, against metastatic tumors and induced immunological memory. This approach served a hyperthermia enhanced platform drainage to enable robust personalized cancer vaccination. | Cuixia Zheng Xinxin Liu Yueyue Kong Lei Zhang Qingling Song Hongjuan Zhao Lu Han Jiannan Jiao Qianhua Feng Lei Wang | 2022 | Acta Pharmaceutica Sinica B2022,12,8: | 2 |
| 16 | Throttle characteristics of multi-stage circumfluence nozzle during the separate-layer injection of CO_(2)显示文摘Separate-layer injection of CO2 is an important method to improve oil and gas production and recovery.Conventional single-stage nozzle is usually blocked by impurities,and the ice-barrier phenomenon is very common.To solve this problem,large-diameter multi-stage circumfluence nozzle was designed to release pressure stage by stage.In order to illuminate the throttle characteristics of the CO2 multi-stage circumfluence nozzles,numerical simulation was performed to test several nozzles with different diameters and stage numbers.Furthermore,we tested the throttle characteristics through laboratory experiments and obtained the effects of several critical parameters such as nozzle diameter,number of stage and pressure drop on the throttle characteristics.The results show that the flow rate decreases as the nozzle stage increases on the condition of constant pressure and nozzle diameter.And pressure difference increases as nozzle stage number increases under the constant flow rate.The throttle capability of multi-stage circumfluence nozzles was much better than the concentric nozzles.Large-diameter multi-stage nozzle is recommended rather than small-diameter single-stage nozzle during the process of separate-layer injection,which can efficiently prevent impurities and ice blocking.The results are expected to provide a theoretical support for the nozzle choice of separate-layer injection of CO2. | Haizhu Wang Gensheng Li Lichuan Zhao Youwen Wang Yun Liu Qingling Liu Meng Wang Fei Gao Meng Cai | 2018 | Petroleum2018,4,2: | 2 |
| 17 | New approaches to H ∞ controller designs based on fuzzy observers for T-S fuzzy systems via LMI显示文摘 | Liu Xiaodong Zhang Qingling | 2003 | Automatica2003,,9: | 2 |
| 18 | Stability analysis in a delayed prey- predator- resource model with harvest effort and stage structure 显示文摘 | Liu Chao Zhang Qingling Li Jinna | 2014 | Applied Mathematics and Computation2014,238,: | 1 |
| 19 | Simultaneous removal of organic matter and nitrogen by a heterotrophic nitrifying-aerobic denitrifying bacterial strain in a membrane bioreactor显示文摘 | YAO Yanchun ZHANG Qingling LIU Ying | 2013 | Biore-source Technology2013,143,: | 1 |
| 20 | Orchestrating antigen delivery and presentation efficiency in lymph node by nanoparticle shape for immune response显示文摘Activating humoral and cellular immunity in lymph nodes(LNs)of nanoparticle-based vaccines is critical to controlling tumors.However,how the physical properties of nanovaccine carriers orchestrate antigen capture,lymphatic delivery,antigen presentation and immune response in LNs is largely unclear.Here,we manufactured gold nanoparticles(AuNPs)with the same size but different shapes(cages,rods,and stars),and loaded tumor antigen as nanovaccines to explore their disparate characters on above four areas.Results revealed that star-shaped AuNPs captured and retained more repetitive antigen epitopes.On lymphatic delivery,both rods and star-shaped nanovaccines mainly drain into the LN follicles region while cage-shaped showed stronger paracortex retention.A surprising finding is that the star-shaped nanovaccines elicited potent humoral immunity,which is mediated by CD4^(+)T helper cell and follicle B cell cooperation significantly preventing tumor growth in the prophylactic study.Interestingly,cage-shaped nanovaccines preferentially presented peptide-MHC I complexes to evoke robust CD8^(+)T cell immunity and showed the strongest therapeutic efficacy when combined with the PD-1 checkpoint inhibitor in established tumor study.These results highlight the importance of nanoparticle shape on antigen delivery and presentation for immune response in LNs,and our findings support the notion that different design strategies are required for prophylactic and therapeutic vaccines. | Hongjuan Zhao Yatong Li Beibei Zhao Cuixia Zheng Mengya Niu Qingling Song Xinxin Liu Qianhua Feng Zhenzhong Zhang Lei Wang | 2023 | Acta Pharmaceutica Sinica B2023,13,9: | 1 |