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| 1 | Modulating the photoelectrons of g-C3N4 via coupling MgTi2O5 as appropriate platform for visible-light-driven photocatalytic solar energy conversion显示文摘Graphitic carbon nitride (g-C3N4) has become an attractive visible-light-responsive photocatalyst because of its semiconductor polymer compositions and easy-modulated band structure. However, the bulk g-C3N4 photocatalyst has the low separation efficiency of photogenerated carriers and unsatisfied surface catalytic performance, which leads to poor photocatalytic performance. As for this, MgTi2O5 with high chemical stability, wide band gap and negative conduction band was used as a suitable platform for coupling with g-C3N4 to enhance charge separation and promoted the photoactivity. Different from common approaches, here, we propose an innovative method to construct g-C3N4/MgTi2O5 nanocomposites featuring “0 + 1 >1' magnification effect to improve g-C3N4 photocatalytic performance under visible light irradiation. Additionally, compositing metal oxides of MgTi2O5 with g-C3N4 has proven to be a proper strategy to accelerate surface catalytic reactions in g-C3N4, and the photoinduced carriers were modulated to maintain thermodynamic equilibrium, which convincingly promotes the photocatalytic activity. The photocatalytic performance of the nanocomposites was measured by hydrogen production and CO2 reduction under visible light. The developed g-C3N4/MgTi2O5 nanocomposites with a 5 wt.% MgTi2O5 exhibits the highest H2 and CO yield under visible light and excellent stability compare to the other MgTi2O5 contents in composites. According to surface photo-voltage spectra, electrochemical CO2 reduction, photoluminescence, etc. The superior performance can be related to an enhanced electron lifetime, the promoted charge transfer and the increased electronic separation property of g-C3N4. Our work provides an approach to overcome the defect of pure g-C3N4, which accesses to composite with the second component matched well. | Jiaxin Shen Yanzhen Li Haoying Zhao Kai Pan Xue Li Yang Qu Guofeng Wang Dingsheng Wang | 2019 | Nano Research2019，12，8： | 6 |
| 2 | Pulping performance of transgenic poplar with depressed Caffeoyl-CoA O-methyltransferase显示文摘This paper evaluated pulping performance of 3-year-old field-grown transgenic poplar (Populus tremula × Populus alba). The transgenic poplar with anti-sense CCoAOMT had an about 13% decreased lignin content, in which a slight increment was found in S/G ratio. Chemical analysis showed that the transgenic poplar had significantly less benezene-ethanol extractive than that of control wood, but no significant differences were found in contents of ash, cold water extractive, hot water extractive, 1% NaOH extractive, holocellulose, pentosans and cellulose. Fiber assay demonstrated that down-regulation of CCoAOMT expression improved the fiber quality in transgenic poplar. Kraft pulping showed that lower lignin in transgenic poplar led to remarkable improved pulp quality and increased pulp yield. | WEI JianHua WANG YanZhen WANG HongZhi LI RuiFen LIN Nan MA RongCai QU LeQing SONG YanRu | 2008 | Chinese Science Bulletin2008，53，22： | 5 |
| 3 | Stratified-structural hydrogel incorporated with magnesium-ion-modified black phosphorus nanosheets for promoting neuro-vascularized bone regeneration显示文摘Angiogenesis and neurogenesis play irreplaceable roles in bone repair.Although biomaterial implantation that mimics native skeletal tissue is extensively studied,the nerve-vascular network reconstruction is neglected in the design of biomaterials.Our goal here is to establish a periosteum-simulating bilayer hydrogel and explore the efficiency of bone repair via enhancement of angiogenesis and neurogenesis.In this contribution,we designed a bilayer hydrogel platform incorporated with magnesium-ion-modified black phosphorus(BP)nanosheets for promoting neuro-vascularized bone regeneration.Specifically,we incorporated magnesium-ion-modified black phosphorus(BP@Mg)nanosheets into gelatin methacryloyl(GelMA)hydrogel to prepare the upper hydrogel,whereas the bottom hydrogel was designed as a double-network hydrogel system,consisting of two interpenetrating polymer networks composed of GelMA,PEGDA,andβ-TCP nanocrystals.The magnesium ion modification process was developed to enhance BP nanosheet stability and provide a sustained release platform for bioactive ions.Our results demonstrated that the upper layer of hydrogel provided a bionic periosteal structure,which significantly facilitated angiogenesis via induction of endothelial cell migration and presented multiple advantages for the upregulation of nerve-related protein expression in neural stem cells(NSCs).Moreover,the bottom layer of the hydrogel significantly promoted bone marrow mesenchymal stem cells(BMSCs)activity and osteogenic differentiation.We next employed the bilayer hydrogel structure to correct rat skull defects.Based on our radiological and histological examinations,the bilayer hydrogel scaffolds markedly enhanced early vascularization and neurogenesis,which prompted eventual bone regeneration and remodeling.Our current strategy paves way for designing nerve-vascular network biomaterials for bone regeneration. | Yan Xu Chao Xu Lei He Junjie Zhou Tianwu Chen Liu Ouyang Xiaodong Guo Yanzhen Qu Zhiqiang Luo Deyu Duan | 2022 | Bioactive Materials2022，7，10： | 5 |
| 4 | Anomaly secure detection methods by analyzing dynamic characteristics of the network traffic in cloud communications显示文摘 | Wei Xiong Hanping Hu Naixue Xiong Laurence T. Yang Wen-Chih Peng Xiaofei Wang Yanzhen Qu | 2013 | Information Sciences2013，，： | 1 |
| 5 | Neuro-bone tissue engineering:emerging mechanisms,potential strategies,and current challenges显示文摘The skeleton is a highly innervated organ in which nerve fibers interact with various skeletal cells.Peripheral nerve endings release neurogenic factors and sense skeletal signals,which mediate bone metabolism and skeletal pain.In recent years,bone tissue engineering has increasingly focused on the effects of the nervous system on bone regeneration.Simultaneous regeneration of bone and nerves through the use of materials or by the enhancement of endogenous neurogenic repair signals has been proven to promote functional bone regeneration.Additionally,emerging information on the mechanisms of skeletal interoception and the central nervous system regulation of bone homeostasis provide an opportunity for advancing biomaterials.However,comprehensive reviews of this topic are lacking.Therefore,this review provides an overview of the relationship between nerves and bone regeneration,focusing on tissue engineering applications.We discuss novel regulatory mechanisms and explore innovative approaches based on nerve–bone interactions for bone regeneration.Finally,the challenges and future prospects of this field are briefly discussed. | Wenzhe Sun Bing Ye Siyue Chen Lian Zeng Hongwei Lu Yizhou Wan Qing Gao Kaifang Chen Yanzhen Qu Bin Wu Xiao Lv Xiaodong Guo | 2023 | Bone Research2023，11，4： | 0 |
| 6 | Fusion of Internal Similarity to Improve the Accuracy of Recommendation Algorithm显示文摘Collaborative filtering algorithms(CF)and mass diffusion(MD)algorithms have been successfully applied to recommender systems for years and can solve the problem of information overload.However,both algorithms suffer from data sparsity,and both tend to recommend popular products,which have poor diversity and are not suitable for real life.In this paper,we propose a user internal similarity-based recommendation algorithm(UISRC).UISRC first calculates the item-item similarity matrix and calculates the average similarity between items purchased by each user as the user’s internal similarity.The internal similarity of users is combined to modify the recommendation score to make score predictions and suggestions.Simulation experiments on RYM and Last.FM datasets,the results show that UISRC can obtain better recommendation accuracy and a variety of recommendations than traditional CF and MD algorithms. | Zejun Yang Denghui Xia Jin Liu Chao Zheng Yanzhen Qu Yadang Chen Chengjun Zhang | 2021 | Journal on Internet of Things2021，3，2： | 0 |
| 7 | Physiological and psychological responses to tended plant communities with varying color characteristics显示文摘Exposure to plants has been reported to promote health and reduce stress,and plant color has direct impacts on physical and mental health.We used images of common types of tended plant communities in Shenyang,China,with combinations of yellow,green,and red foliage,as experimental stimuli.A total of 27 images were used as visual stimuli.We used electroencephalography to measureαwave activity(8-13 Hz)in 40 subjects while they viewed visual stimuli.These data were combined with subjective questionnaire data to analyze the relaxing effect of images of tended plant communities with different color types and proportions on people.The results revealed that,although there were slight differences between the electroencephalography and psychological findings,women were significantly more relaxed than men after viewing the images.Physiological and psychological responses varied with the types and proportions of colors in the tended plant communities:those of foliage with combinations of two or three colors induced stronger responses than images with a single color.Specifically,(1)for one-color plant communities,green or yellow plant communities induced a stronger relaxation effect than red plant communities;(2)for two-color plant communities,the optimal color proportion was 55%+45%,and the green+yellow and green+red color combinations induced a stronger relaxation effect;(3)for three-color plant communities,the relaxation effect was strongest when the color proportion was 55%green+25%yellow+20%red.These data would provide a plant color matching in future plant landscape design,which may be helpful for creating healthy and relaxing environments. | Siyuan Zheng Yanzhen Zhou Haiyan Qu | 2024 | Journal of Forestry Research2024，35，1： | 0 |
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