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Different effect of Li^(+),Na^(+),K^(+)-doping on crystal structure and electrical property of Sr_(0.6)Ba_(0.4)Nb_(2)O_(6)

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Journal of Materiomics 2024年第5期10卷 1071-1079页

作者： Jian Guo xinrui Yang Yulong Yang Shuting Pang Shan-Tao zhang Bin Yang National Laboratory of Solid State Microstructures College of Engineering and Applied Sciences&Jiangsu Key Laboratory of Artificial Functional Materials&Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing210023China Nanjing University(Suzhou)High-tech Institute Suzhou Industrial Park215123China School of Physics Nanjing UniversityNanjing210093China Functional Materials and Acousto-Optic Instruments Institute School of Instrumentation Science and EngineeringHarbin Institute of TechnologyHarbin150080China

Ferroelectric Sr_(0.6)Ba_(0.4)Nb_(2)O_(6)(SBN)shows typical unfilled tetragonal tungsten bronze structure where 1/6 A sites and all C sites are *** presence of such structural vacancy provides the possibility to further modulate the crystal structure and electrical *** this work,alkali ions(Li^(+),Na^(+),K^(+))doped SBN ceramics have been fabricated via solid-solution reaction *** general,each doping promotes the crystal structure evolves from unfilled toward filled tungsten ***,the different doping ion radius causes the differences in occupying initial structural vacancies,resulting in significantly different electrical properties,Li^(+)doping enhances relaxor characteristic whereas Na+and K^(+)doping lead to normal ferroelectric behavior,accompanying an increase in Curie temperature(TC)from 36℃ of SBN to 40,212,148℃ of Li^(+),Na^(+)and K^(+)doping,*** from improved relaxor degree and high density,the Li^(+)doped SBN displays a good energy storage *** the ratio of Sr/Ba and(Sr+Ba)/Nb has not been changed,this work presents direct evidence for the effect of structural vacancy on crystal structure and properties,as well as inspiration for further work on unfilled tungsten bronze.

关键词： Sr_(0.6)Ba_(0.4)Nb_(2)O_(6) oxides Structural vacant Alkali ions doping

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3D printedβ-sheet-reinforced natural polymer hydrogel bilayer tissue engineering scaffold

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Science China(Technological Sciences) 2024年第4期67卷 1170-1184页

作者： ZHAO xinrui NIE XiongFeng zhang XiaoPing SUN YaGe YANG Rong BIAN XinYu zhang Qian WANG HongYing XU ZiYang LIU WenGuang School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional MaterialsTianjin UniversityTianjin 300350China

It remains a significant challenge to fabricate natural polymer(NP)hydrogels with anti-swelling ability and high strengths in the physiological ***,theβ-sheet-reinforced NP hydrogel is developed by copolymerizing methacrylated gelatin(GelMA)and methacrylated silk fibroin(SFMA)in aqueous solution,followed by ethanol treatment(named GelMA-SFMAAL).Theβ-sheets formed by SFMA can act as a stable physical crosslink to enhance the mechanical properties and prolong the degradation of the GelMA ***,the chemical crosslinking in the GelMA-SFMA hydrogel prevents excessive aggregation of hydrophobicβ-sheets,thereby avoiding the formation of brittle *** obtained GelMA-SFMA-AL hydrogels exhibit considerably enhanced mechanical properties(Young's modulus:0.89–3.68 MPa;tensile strength:0.31–0.96 MPa;toughness:0.09–0.63 MJ/m^(3);compressive modulus:0.78–2.20 MPa;compressive strength:2.65–5.93 MPa)compared with GelMA-SFMA hydrogels(Young's modulus:0.04–0.13 MPa;tensile strength:0.04–0.07 MPa;toughness:0.01–0.02 MJ/m^(3);compressive modulus:0.03–0.09 MPa;compressive strength:0.30–0.64 MPa).A bilayer osteochondral scaffold is constructed via digital light processing(DLP)three-dimensiaonl(3D)printing technology,comprising GelMA-SFMA@diclofenac sodium(DS)-AL as the top layer and GelMA-SFMA@bioactive glass(BG)-AL as the bottom *** bilayer hydrogel scaffold is demonstrated to support cell attachment and spreading,and facilitate osteogenic differentiation of rat bone marrow stem cells in *** vivo implantation experiment suggests this bilayer scaffold is promising to be used for osteochondral tissue regeneration.

关键词： silk fibroin β-sheet high-strength hydrogel natural polymer osteochondral regeneration

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Site-selection and recognition of aromatic carboxylic acid in response to coronene and pyridine derivative

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Chinese Chemical Letters 2024年第8期35卷 245-249页

作者： Yuanjiao Liu Xiaoyang Zhao Songyao zhang Yi Wang Yutuo Zheng xinrui Miao Wenli Deng College of Materials Science and Engineering South China University of TechnologyGuangzhou 510640China

The self-assembled structures of H_(3) BDA molecule with multiple meta-dicarboxylic groups and their stim-ulus responses to the guest molecules(COR and T4PT)are thoroughly investigated by scanning tunneling microscopy(STM).STM observations display that two kinds of nanostructures are fabricated by H3 BDA molecules through intermolecular hydrogen bonds,in which a linear structure is formed at a higher con-centration and a flower-like structure is obtained at a lower *** the addition of COR and T4PT,H_(3) BDA appears different responsiveness resulting in different co-assembled structures,*** linear structure is regulated into a flower-like structure by COR and COR molecules are trapped in the *** the pyridine derivative(T4PT)is introduced,a new bicomponent porous structure emerges via the hydrogen bond formed between the carboxyl group and the ***,the deposition of additional COR to the H_(3) BDA/T4PT system results in the breakdown of the porous structure and the generation of H_(3) BDA/COR host-guest *** with density functional theory(DFT)calculations and molecular dynamics(MD)simulations,the transformation phenomenon of bi-component nanostruc-ture induced by guest molecules is *** results are expected to understand the modification effect of guest molecules on the host network,which is of great significance for the design and construc-tion of multi-component nanostructures and crystal engineering.

关键词： Supramolecular self-assembly Host-guest co-assembly Scanning tunneling microscopy(STM) Computational simulation Molecular recognition

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Ethnopharmacology,phytochemistry,pharmacology and product application of Platycodon grandiflorum:A review

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Chinese Herbal Medicines 2024年第3期16卷 327-343页

作者： Lanying zhang xinrui Wang Jingze zhang Dailin Liu Gang Bai Tianjin University of Traditional Chinese Medicine Tianjin 301617China Nankai University Tianjin 300353China Tianjin Modern Innovation Chinese Medicine Technology Co. Ltd.Tianjin 300380China

Platycodonis Radix(Jiegeng in Chinese)is a well-known traditional Chinese medicine used for both medicinal and culinary *** historical use as an antitussive and expectorant has been extensively ***,to date,have identified 219 chemical constituents in Platycodon grandiflorum(Jacq.)***,encompassing 89 saponins,11 flavonoids,21 polysaccharides,14 phenolic acids,six polyacetylenes,five sterols,34 fatty acids,17 amino acids,and 22 trace *** exhibits diverse pharmacological effects,including antitussive and anti-phlegm properties,anti-cancer activity,anti-inflammatory effects,immune regulation,antioxidant properties,anti-obesity,and antidiabetic ***,Jiegeng shows potential in protecting the heart and *** its medicinal benefits,Jiegeng is highly esteemed in culinary applications,and its global demand is on the *** utilization has expanded beyond medicine and food to encompass daily necessities,cosmetics,agricultural supplies,and other ***,there are 18272 patents related to *** comprehensive review summarizes the latest research published over the past 20 years,providing a robust foundation for further exploration of the medicinal and health benefits of ***.

关键词： application chemical constituents Jiegeng medicine and food homology Platycodon grandiflorum(Jacq.)A.DC

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SimHOEPI:A resampling simulator for generating single nucleotide polymorphism data with a high-order epistasis model

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Quantitative Biology 2024年第2期12卷 197-204页

作者： Yahan Li xinrui Cai Junliang Shang Yuanyuan zhang Jin-Xing Liu School of Computer Science Qufu Normal UniversityRizhaoChina School of Information and Control Engineering Qingdao University of TechnologyQingdaoChina School of Health and Life Sciences University of Health and Rehabilitation SciencesQingdaoChina

Epistasis is a ubiquitous phenomenon in genetics,and is considered to be one of main factors in current efforts to unveil missing heritability of complex *** data is crucial for evaluating epistasis detection tools in genome-wide association studies(GWAS).Existing simulators normally suffer from two limitations:absence of support for high-order epistasis models containing multiple single nucleotide polymorphisms(SNPs),and inability to generate simulation SNP data *** this study,we proposed a simulator SimHOEPI,which is capable of calculating penetrance tables of high-order epistasis models depending on either prevalence or heritability,and uses a resampling strategy to generate simulation data *** of SimHOEPI are the preservation of realistic minor allele frequencies in sampling data,the accurate calculation and embedding of high-order epistasis models,and acceptable simulation time.A series of experiments were carried out to verify these properties from different *** results show that SimHOEPI can generate simulation SNP data independently with high-order epistasis models,implying that it might be an alternative simulator for GWAS.

关键词： high-order epistasis model penetrance table resampling strategy simulation single nucleotide polymorphisms

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雷公藤多苷通过Nur77-Traf2-P62信号通路治疗溃疡性结肠炎的机制研究

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中国现代医生 2024年第11期62卷 58-62页

作者：钟继红刘勇攀陈丹丹黄秋薇张馨瑞徐勤科叶露浙江中医药大学附属第二医院消化内科浙江省肠肝同治中医重点实验室浙江杭州310005 浙江中医药大学第二临床医学院浙江杭州310053

目的研究雷公藤多苷(tripterygium glycosides,TG)对葡聚糖硫酸钠(dextran sodium sulfate,DSS)诱导的溃疡性结肠炎(ulcerative colitis,UC)小鼠结肠黏膜损伤的影响及调控机制。方法将40只小鼠采用随机数字表法分为正常组,模型组,雷公... 详细信息

目的研究雷公藤多苷(tripterygium glycosides,TG)对葡聚糖硫酸钠(dextran sodium sulfate,DSS)诱导的溃疡性结肠炎(ulcerative colitis,UC)小鼠结肠黏膜损伤的影响及调控机制。方法将40只小鼠采用随机数字表法分为正常组,模型组,雷公藤多苷低、中、高剂量组(给药浓度分别为9.00、27.03、81.09mg/kg)。除正常组外,其余组小鼠均饮用5%DSS诱导UC模型。造模后,模型组小鼠予生理盐水灌胃,其余处理组小鼠予相应剂量的TG灌胃。比较各组小鼠的质量、疾病活动指数(disease activity index,DAI)、结肠病理组织学损伤情况。使用肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)、丙二醛(malondialdehyde,MDA)、超氧化物歧化酶(superoxide dismutase,SOD)试剂盒检测TNF-α、MDA、SOD水平差异。Western blot法检测结肠中Nur77、TNF受体关联因子2(tumor necrosis factor receptor-associated factor 2,Traf2)、核孔蛋白62(nucleoporin 62,P62)、自噬蛋白微管相关蛋白1轻链3(autophagy protein-microtubule associated protein1 light chain 3,LC3)分子表达。结果与空白组相比,模型组小鼠的体质量、结肠长度、SOD、Nur77、Traf2、LC3Ⅱ/LC3Ⅰ水平降低(P<0.05),DAI、结肠病理评分、TNF-α、MDA、P62水平升高(P<0.05)。与模型组相比,雷公藤多苷低、中、高剂量组小鼠体质量、结肠长度、SOD、Nur77、Traf2、LC3Ⅱ/LC3Ⅰ表达增长(P<0.05),DAI、TNF-α、MDA、P62水平均降低(P<0.05)。雷公藤多苷中、高剂量组小鼠病理评分降低(P<0.05)。结论TG能够通过Nur77-Traf2-P62信号通路治疗UC。

关键词：雷公藤多苷溃疡性结肠炎 Nur77-Traf2-P62信号通路自噬

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RHA2b-mediated MYB30 degradation facilitates MYB75-regulated,sucrose-induced anthocyanin biosynthesis in Arabidopsis seedlings

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Plant Communications 2024年第3期5卷 62-76页

作者： Huapeng Zhou Jiaxian He Yiyi zhang Hongyun Zhao Xia Sun Xi Chen xinrui Liu Yuan Zheng Honghui Lin Key Laboratory of Bio-resource and Eco-environment of the Ministry of Education College of Life SciencesSichuan UniversityChengdu 610064China Innovative Center of Molecular Genetics and Evolution School of Life SciencesGuangzhou UniversityGuangzhou 510642China State Key Laboratory of Cotton Biology Department of BiologyHenan UniversityKaifeng 475004China

Anthocyanins play diverse roles in plant physiology and stress *** Arabidopsis,the MYB–bHLH–WD40(MBW)complex has a crucial role in the regulation of anthocyanin ***,we report that the R2R3-MYB transcription factor MYB30 and the ubiquitin E3 ligase RHA2b participate in anthocyanin biosynthesis through regulation of the MBW ***30 was found to negatively regulate sucrose-induced anthocyanin biosynthesis in Arabidopsis *** of multiple genes involved inflavo-noid or anthocyanin biosynthesis was affected in the myb30 mutant,and MYB30 directly repressed the expression of MYB75,which encodes a core component of the MBW complex,by binding to its ***,MYB30 physically interacted with MYB75 to inhibit its activity by repressing MBW complex *** addition,sucrose treatment signicantly promoted MYB30 degradation via the action of *** ubiquitination and degradation of MYB30 were signicantly attenuated in the rha2b mutant un-der high-sucrose treatment,and further analysis showed that MYB75 directly promoted RHA2b expression in response to high *** work thus reveals an anthocyanin biosynthetic regulatory module,RHA2b–MYB30,that controls the function of the MBW complex via *** repression of MYB75 by MYB30 is released by MYB75-induced RHA2b expression,thus ensuring the self-activation of MYB75 when anthocy-anin synthesis is needed.

关键词： anthocyanin biosynthesis high sucrose MBW complex MYB30 MYB75 RHA2b

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Fabrication of MXene-Bi_(2)WO_(6)heterojunction by Bi_(2)Ti_(2)O_(7)hinge for extraordinary LED-light-driven photocatalytic performance

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Nano Research 2024年第6期17卷 4729-4736页

作者： Zhiwen Li Liangliang Xu Zaheer Ud Din Babar Ali Raza Yifei zhang xinrui Gu Yu-Xin Miao Zhen Zhao Gao Li Institute of Catalysis for Energy and Environment College of Chemistry and Chemical EngineeringShenyang Normal UniversityShenyang 110034China State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China Scuola Superiore Meridionale(SSM) University of Naples Federico IILargo S.Marcellino1080138Italy Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea University of Chinese Academy of Sciences Beijing 100049China

Heterojunction composites with intimate interfaces can shorten the diffusion distance,which leads to a shorter path for photogenerated carriers,thereby increasing photocatalytic ***,we report the fabrication of Ti_(3)C_(2)-Bi_(2)WO_(6)(TC-BW)heterojunctions hinged by Bi_(2)Ti_(2)O_(7)joints via an in situ hydrothermal reaction of Ti_(3)C_(2)in the presence of Na_(2)WO_(4)and Bi(NO_(3))_(3).The TC-BW was characterized using X-ray diffraction(XRD),scanning transmission electron microscopy(STEM),and Raman ***-BW showed superior photocatalytic activity(productivity over 15TC-WB reaches up to 5.0 mmolreacted BA·gcat.^(−1)·h^(−1))in the oxidation of benzyl alcohol using light-emitting diode(LED)light,arising from the surface defects and intimate heterojunction interface between the Ti_(3)C_(2)MXene and Bi_(2)WO_(6)***-BW heterojunctions provide an enhanced separation efficiency of photogenerated charges,which in turn yields superior photocatalytic ***,it is well substantiated by density functional theory(DFT)*** summary,this study elucidates the preparation of heterojunction composites with intimate interfaces for highly efficient photooxidation.

关键词： MXene-Bi_(2)WO_(6) heterojunction LED-light-driven photocatalysis Bi_(2)Ti_(2)O_(7) photooxidation

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Effect of extrusion on the structure and antigenicity of soybean β-conglycinin

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Grain & Oil Science and Technology 2019年第3期2卷 67-72页

作者： Haicheng Yin Feng Jia Jin Huang Yong zhang Xin Zheng xinrui zhang College of Biological Engineering Henan University of Technology

β-Conglycinin,the main component of 7S globulin in soybean protein,is also a key soybean antigen protein that causes allergic *** technologies have received considerable attention as amethod for modifying soybean protein *** study investigated the changes inβ-conglycinin structure and antigenicity upon *** precipitation,ammoniumsulfate precipitation,and sepharose CL-6B gel filtration were used to isolate and purifyβ-conglycinin from soybean powder,and single-factor and orthogonal tests were used to study the effects of water content,extrusion temperature,screw rotation speed,and feeding speed on the antigenicity ofβ-conglycinin after *** transforminfrared spectrometry(FTIR)was then employed to analyze the structure ofβ-conglycinin after extrusion under the optimal conditions determined by the orthogonal *** results showed that extrusion significantly reduced the antigenicity ofβ-conglycinin(Pfeeding speed>screw rotation speed>water *** optimal parameters were temperature at 130°C,screwrotation speed at 140 r/min,and feeding speed at 35 g/*** these conditions,the contents ofα-helix,β-pleated sheet,andβ-turn structures inβ-conglycinin were significantly reduced(P<0.05),while the contents of random coils were significantly increased(P<0.05).The peak absorption intensity of amides I,II,and III also *** together,the findings suggest that extrusion could be an effective method for reducing the antigenicity ofβ-conglycinin.

关键词： Soybean Extrusion β-Conglycinin Structure Antigenicity

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Friend or foe? Using eye-tracking technology to investigate the visual discrimination ability of giant pandas

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Current Zoology 2024年第4期70卷 430-439页

作者： xinrui Huang Guo Li Guiquan zhang Zixiang Li Lin Zhao Mengdie Zhu Qinghua Xiang Xuefeng Liu Mei Tian Hemin zhang Christina D.Buesching Dingzhen Liu Ministry of Education Key Laboratory of Biodiversity Science and Ecological EngineeringDepartment of EcologyCollege of Life SciencesBeijing Normal UniversityBeijing 100875China Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park China Conservation and Research Center for the Giant PandaSichuan 623004China School of Computer and Information Technology Beijing Jiaotong UniversityBeijing 100044China Beijing Key Laboratoryof CaptiveWildlife Technology Beijing ZooBeijing100044China Department of Biology Irving K.Barber Faculty of ScienceThe University of British ColumbiaOkanagan CampusKelownaBCCanada

The role that visual discriminative ability plays among giant pandas in social communication and individual discrimination has received less attention than olfactory and auditory ***,we used an eye-tracker technology to investigate pupil fixation patterns for 8 captive male giant pandas Ailuropoda *** paired images(N=26)of conspecifics against:1)sympatric predators(gray wolves and tigers),and non-threatening sympatric species(golden pheasant,golden snub-nosed monkey,takin,and red panda),2)conspecifics with atypical fur colora-tion(albino and brown),and 3)zookeepers/non-zookeepers wearing either work uniform or plain *** each session,we tracked the pan-da's pupil movements and measured pupil first fixation point(FFP),fixation latency,total fixation count(TFC),and duration(TFD)of attention to each ***,pandas exhibited similar attention(FFPs and TFCs)to images of predators and non-threatening sympatric *** of golden pheasant,snub-nosed monkey,and tiger received less attention(TFD)than images of conspecifics,whereas images of takin and red panda received more attention,suggesting a greater alertness to habitat or food competitors than to potential ***'TFCs were greater for images of black-white conspecifics than for albino or brown phenotypes,implying that familiar color elicited more *** reacted differently to images of men versus *** images of women only,pandas gave more attention(TFC)to familiar combinations(uniformed zookeepers and plain-clothed non-zookeepers),consistent with the familiarity *** pandas can use visual perception to discriminate intra-specifically and inter-specifically,including details of human appearance,has applications for panda conservation and captive husbandry.

关键词： eye movement tracker giant panda images total fixation duration total pupil fixation count visual discrimination.

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