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Journal of Materials Science & Technology 2024年第11期178卷 179-187页

作者： Jianqiang Wang Weijie Li xinya zhang School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of TechnologyGuangzhou 510640China

Graphene-based phase change composites hold significant potential for solar energy utilization,but their poor thermal conductivity hinders their practical *** this work,an air-dried graphene skele-ton(AGS)with excellent thermal conductivity enhancement efficiency was constructed by the ice tem-plating method and syneresis,and the air-dried graphene phase change composite(AGP)was subse-quently obtained through vacuum-impregnating n-Docosane(C22)into *** syneresis effectively re-duced the phonon scattering between graphene sheets within AGS and increased the density of AGS to 0.1701 g/***,with a graphene skeleton loading of 23.82 wt.%,AGP exhibited excellent thermal conductivity of 9.867 W/(m K),outstanding electrical conductivity of 68.08 S/cm,and remarkable shape ***,AGP demonstrated a melting enthalpy of 188.5 J/g and an outstanding solar-thermal conversion efficiency of 93.98%,showing enormous potential for the utilization of solar energy.

关键词： Syneresis Graphene skeletons Thermal conductivities Phase change composites Solar-thermal conversion

Thermo-sensitive Porous Polymer Membrane-immobilized Cellulose as a Switchable Enzyme Reactor for Tuning Its Enzymolysis via Variation Temperature

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Chemical Research in Chinese Universities 2023年第6期39卷 992-997页

作者： QIAO Juan zhang xinya CHENG Cheng QI Li Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living BiosystemsInstitute of ChemistryChinese Academy of SciencesBeijing 100190P.R.China School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049P.R.China School of Pharmacy Xinxiang Medical UniversityXinxiang 453003P.R.China College of Chemistry&Environmental Science Hebei UniversityBaoding 071002P.R.China

Immobilization of enzymes onto porous membranes has attracted considerable attention in recent ***,enhancing the enzymolysis efficiency of the resulting enzyme reactors by varying the environmental conditions poses a great *** this work,poly(styrene-maleic anhydride-N,N-dimethylacrylamide)was prepared and utilized to construct a thermo-sensitive porous polymer membrane-based enzyme reactor(TS-PPMER)after cellulase was immobilized onto the support by covalent *** catalytic activity of the nano-reactor was evaluated by measuring the yield of the product,glucose,at different temperatures with carboxymethylcellulose as the ***,the polymer chains coiled and formed numerous nano-pores at a high temperature,which induced the confine effect and greatly boosted the enzymolysis efficiency of ***,the proposed TS-PPMER was applied in the hydrolysis of green plant leaves in Epipremnum *** work shows great potential in obtaining biological resources by an environmentally friendly approach using smart polymer-based nano-reactors.

关键词： Thermo-sensitive porous polymer membrane Cellulase reactor Catalytic efficiency Glucose Plant leaf

Synthesis of Acrylate Microemulsion Modified by Alkoxy Silane

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Journal of Wuhan University of Technology(Materials Science) 2008年第2期23卷 212-217页

作者： SUN Zhijuan zhang xinya HUANG Hong FU Heqing CHEN Huanqin Research Institute of Chemical Engineering South China University of Technology Guangzhou 510641 China

An acrylate emulsion was modified by adding vinyltriisopropoxy silane （trade name C-1706）. By adding the multiple emulsifier which consists of an anionic emulsifier, sodium dodecyl benzene sulfonate （SDBS） and nonionic emulsifier, octyl phenolic divinyl oxide （OP-10）, the acrylosilane microemulsion was synthesized by seeded emulsion polymerization. The influential factors including the kind and the adding amount of emulsifiers and the monomer variety of alkoxy silane and the added methods which influence on the properties of the microemulsion were investigated. It is found that SDBS and OP-10 as multiple emulsifiers with mass ratio of 1：1 and the adding amount of 2.5%-3.5% can act on co-effect for emulsion polymerization. The C-1706 possesses bulky isopropoxy substituent that can reduce hydrolysis reactivity during the polymerization process, so as to not only make the process smoothly but also advance the store stability of the emulsion. Moreover, the latter-addition mode of C-1706 can restrain its hydrolysis activity and polycondensation reaction during the polymerization process of the emulsion. The structure, the film cross section, the particle size and its distribution of the microemulsion were analyzed by the Fourier Transform Infrared Ray Spectrum （FTIR）, Scanning Electron Microscopy （SEM） and a particle size analyzer, respectively. The results show that the particle diameter of the modified microemulsion can be controlled between 50 and 70 nm and its film hardness is 7.3. Only adding 1.5% of C-1706 into the system of emulsion polymerization can apparently improve the weathering resistance of the microemulsion, which undergo degradation with chromatism（△E） is 1.6 after 3 600 hours of QUV-aging.

关键词： alkoxy silane acrylosilane microemulsion modification properties

Synergistic effect of MXene on the flame retardancy and thermal degradation of intumescent flame retardant biodegradable poly(lactic acid)composites

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Chinese Journal of Chemical Engineering 2020年第7期28卷 1981-1993页

作者： Haowei Huang Dexuan Dong Weijie Li xinya zhang Li zhang Ying Chen Xinxin Sheng Xiang Lu Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter School of Materials and EnergyGuangdong University of TechnologyGuangzhou 510006China School of Chemistry and Chemical Engineering South China University of TechnologyGuangzhou 510640China Key Laboratory of Polymer Processing Engineering of the Ministry of Education National Engineering Research Center of Novel Equipment for Polymer ProcessingSouth China University of TechnologyGuangzhou 510641China

The effect of Ti3C2 MXene nanosheets on the intumescent flame retardant(IFR)poly(lactic acid)(PLA)composites was investigated among a series of PLA/IFR/MXene,which were prepared by melt blending 0-2.0 wt%MXene,10.0 wt%-12.0 wt%IFR and PLA *** results of limiting oxygen index(LOI)and vertical burning(UL-94)discover that the combination of 0.5 wt%MXene and 11.5 wt%IFR synergistically improves the fire safety of PLA to reach UL-94 V-0 rating with LOI value of 33.0%.The PLA/IFR/MXene composites perform an obvious reduction in peak of heat release rate(HRR)in cone calorimeter tests(CCTs).Furthermore,the carbon residues after CCTs were characterized by scanning electron microscope(SEM),laser Raman spectroscopy(LRS),X-ray diffraction(XRD)and X-ray photoelectron spectroscopy(XPS).It is demonstrated that both the titanium composition of the MXene structure and the characteristics of the two-dimensional material enhance the PLA/IFR/MXene composite materials’ability to produce a dense barrier layer to resist burnout during thermal degradation.

关键词： MXene Poly(lactic acid) Intumescent flame retardant Synergistic effect

Superior anti-corrosion and self-healing bi-functional polymer composite coatings with polydopamine modified mesoporous silica/graphene oxide

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Journal of Materials Science & Technology 2021年第36期95卷 95-104页

作者： Yanqi Ma Haowei Huang Hongda Zhou Michael Graham James Smith Xinxin Sheng Ying Chen Li zhang xinya zhang Elena Shchukina Dmitry Shchukin Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter School of Materials and EnergyGuangdong University of TechnologyGuangzhou 510006China School of Chemistry and Chemical Engineering Guangdong Provincial Key Lab of Green Chemical Product TechnologySouth China University of TechnologyGuangzhou 510640China Stephenson Institute for Renewable Energy Department of ChemistryUniversity of LiverpoolCrown StreetLiverpool L697ZDUK

In this article,graphene oxide(GO)and benzotriazole-loaded mesoporous silica nanoparticles(BTA/MSNs)are combined on micro scale through the in situ polymerization of polydopamine(PDA),preparing a selfhealing bi-functional GO(fGO)used as nano-fillers for anti-corrosion enhancement of waterborne epoxy(WEP)*** electronic microscopy(SEM)images show that the BTA/MSNs are uniformly distributed on the surface of high aspect ratio GO nanosheets to endow GO nanocontainer ***-vis profiles demonstrate that fGO has p H-controlled release *** at lowest frequency is generally used for comparing the corrosion resistance of organic *** at lowest frequency(1.42×10^(5)Ωcm^(2))after 30 days immersion in 3.5 wt.%Na Cl solution revealed 2 orders of magnitude higher that of blank WEP(1.17×10^(7)Ωcm^(2)).With artificial cracks on its coatings,fGO/WEP had no obvious rust compared with blank WEP after 240 h of *** anticipate that self-healing and physical barrier bi-functional nanocontainers improve the traditional anticorrosion coating efficiency with better,longer-lasting performance for shipping,oil drilling or bridge maintenance.

关键词： Mesoporous silica Graphene oxide Anti-corrosion Self-healing Functional composite coatings

Encoding and display technologies for combinatorial libraries in drug discovery:The coming of age from biology to therapy

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Acta Pharmaceutica Sinica B 2024年第8期14卷 3362-3384页

作者： Yu Fan Ruibing Feng xinya zhang Zhen-Liang Wang Feng Xiong Shuihua zhang zhang-Feng Zhong Hua Yu Qing-Wen zhang zhang zhang Yitao Wang Guodong Li Macao Centre for Research and Development in Chinese Medicine State Key Laboratory of Quality Research in Chinese MedicineInstitute of Chinese Medical SciencesUniversity of MacaoMacao SAR 999078China State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoMacao SAR 999078China International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development Ministry of Education(MoE)of People’s Republic of ChinaCollege of PharmacyJinan UniversityGuangzhou 510632China Zhuhai UM Science and Technology Research Institute Zhuhai 519031China Department of Pharmacy Guangzhou Red Cross HospitalFaculty of Medical ScienceJinan UniversityGuangzhou 510632China Geriatric Medicine First People’s Hospital of XinXiang and the Fifth Affiliated Hospital of Xinxiang Medical CollegeXinxiang 453100China Shenzhen Innovation Center for Small Molecule Drug Discovery Co. Ltd.Shenzhen 518000China

Drug discovery is a sophisticated process that incorporates scientific innovations and cuttingedge *** to traditional bioactivity-based screening methods,encoding and display technologies for combinatorial libraries have recently advanced from proof-of-principle experiments to promising tools for pharmaceutical hit discovery due to their high screening efficiency,throughput,and resource *** review systematically summarizes the development history,typology,and prospective applications of encoding and displayed technologies,including phage display,ribosomal display,mRNA display,yeast cell display,one-bead one-compound,DNA-encoded,peptide nucleic acidencoded,and new peptide-encoded technologies,and examples of preclinical and clinical *** discuss the progress of novel targeted therapeutic agents,covering a spectrum from small-molecule inhibitors and nonpeptidic macrocycles to linear,monocyclic,and bicyclic peptides,in addition to *** also address the pending challenges and future prospects of drug discovery,including the size of screening libraries,advantages and disadvantages of the technology,clinical translational potential,and market *** review is intended to establish a comprehensive high-throughput drug discovery strategy for scientific researchers and clinical drug developers.

关键词： Drug screening Phage display DNA-encoded chemical libraries Peptide-encoded chemical libraries Clinical drugs

Improved in situ sequencing for high-resolution targeted spatial transcriptomic analysis in tissue sections

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Journal of Genetics and Genomics 2023年第9期50卷 652-660页

作者： Xinbin Tang Jiayu Chen xinya zhang Xuzhu Liu Zhaoxiang Xie Kaipeng Wei Jianlong Qiu Weiyan Ma Chen Lin Rongqin Ke School of Medicine and School of Biomedical Sciences Huaqiao UniversityQuanzhouFujian 362021China Department of Pathology The 910 HospitalQuanzhouFujian 362000China

Spatial transcriptomics enables the study of localization-indexed gene expression activity in tissues,providing the transcriptional landscape that in turn indicates the potential regulatory networks of gene *** situ sequencing(ISS)is a targeted spatial transcriptomic technique,based on padlock probe and rolling circle amplification combined with next-generation sequencing chemistry,for highly multiplexed in situ gene expression ***,we present improved in situ sequencing(IISS)that exploits a new probing and barcoding approach,combined with advanced image analysis pipelines for high-resolution targeted spatial gene expression *** develop an improved combinatorial probe anchor ligation chemistry using a 2-base encoding strategy for barcode *** new encoding strategy results in higher signal intensity as well as improved specificity for in situ sequencing,while maintaining a streamlined analysis pipeline for targeted spatial *** show that IISS can be applied to both fresh frozen tissue and formalin-fixed paraffin-embedded tissue sections for single-cell level spatial gene expression analysis,based on which the developmental trajectory and cell-cell communication networks can also be constructed.

关键词： Spatial transcriptomics In situsequencing Single cell Geneexpression profiling Imaging

Influence of Carboxyl Groups on the Particle Size and Rheological Properties of Polyacrylate Latices

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Journal of Wuhan University of Technology(Materials Science) 2010年第3期25卷 492-498页

作者：张心亚 School of Chemistry and Chemical Engineering South China University of Technology

The PAL was synthesized with BA,MMA and some monomers containing carboxyl groups（for example,acrylic acid（AA） and methacrylic acid（MAA）） as co-monomers by semi-continuous seeded emulsion polymerization *** influences of alkalinization temperature,the feeding manner of AA or MAA on the particles size,rheological properties and carboxyl distribution of the latex were discussed,and the rheological mechanism was *** experimental results show that the PAL system has preferable viscosity and particle size when the alkalinization temperature is 50 ℃.Different distribution of carboxyl group in the particles and different resultant rheological properties are obtained by different feeding manner of AA or MAA into the *** TEM images show that the particle is a smooth globe with carboxyl group concentrating on the surface and stabilized with electric double layer and nonionic adsorbed *** concentration of carboxyl functional group on the surface of particles can be achieved by the specific polymerization *** rheologyical properties are determined by accretion of particle volume and variation of the two phase volume ratio resulted from the carboxyl group spreading layer.

关键词： polyacrylate latices acrylic acid methacrylic acid rheological properties

The Automatic Question Generation System for CET

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The Automatic Question Generation System for CET

试论“占有”之区别——兼论封缄物的刑法属性

作者： xinya zhang Xiaodong Yan Zhou Yao School of Information Engineering Minzu University of China Center of Minority Languages National Language Resource Monitoring & Research

In this paper, we apply the abstractive text summarization technology to automatic generation system of reading comprehension, which is part of College English Test（CET） in China. At present, there is a growing demand of English reading examination questions, yet the manual examination question generating is time-consuming and labor-intensive. To relieve the pressure on question generating task, we put the related automatic technology into application, which aims to assist teachers in question generating, meanwhile, to provide more CET exercises for students. We combine seq2 seq model and attention mechanism to generate the abstractive text summarization. The abstract generated by this method is easy to understand and in line with the question generating of long reading comprehension, the experiment showed good results of question generating.

关键词： Text Summarization seq2seq Model Attention Mechanism College English Test

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中国刑事法杂志 2009年第9期9卷 48-54页

作者：张新亚华东政法大学

刑法和民法在许多方面存在着根本性的区别,但是某些区别在表象上却并不明显,占有制度即是表现之一。较之于民法,刑法更注重社会整体利益的保护,因此占有制度中对占有意思的要求较低,而更注重于占有的事实存在及客观方面的表现。具体到... 详细信息

刑法和民法在许多方面存在着根本性的区别,但是某些区别在表象上却并不明显,占有制度即是表现之一。较之于民法,刑法更注重社会整体利益的保护,因此占有制度中对占有意思的要求较低,而更注重于占有的事实存在及客观方面的表现。具体到封缄物特别是不易打开的封缄物上,出于权利救济以及观念占有的刑法排除等方面的考虑,应承认受托者对封缄物包装和内容的事实占有,并对共同占有和占有辅助进行个案认定。

关键词：占有区别封缄物财产财产凭证