检索结果-南通市图书馆

Journal of Medical Colleges of PLA(China) 2001年第4期16卷 292-294页

作者：张新伟徐如祥齐一龙陈长才 Department of Neurosurgery Zhujiang Hospital First Medical University Guangzhou 510282 China

Objective:To definethecourseof changestakenbyα 1 andβadrenergicreceptors(AR)activityaftertraumatic braininjury(TBI)andexploretheapproachforsecondarybraininjury(SBI)***:Theneuronalmem-braneproteinof cortexwereextractedfromtheratssubjectto traumaticbraininjury,andthechangesofα 1 -andβ-ARac-tivitiesintheneuronalmembraneswereexaminedby radioligandbindingassay(RLBA).Results:α 1 -andβ-ARactivities underwentobviouschanges,reachingtheirpeakvaluesat24h afterTBI.α 1 -ARbindingdensity(B max )reducedby22.6%whiletheligandaffinityincreasedby66.7%,andforβ-AR,however,B max increasedby116.9%andtheligandaffinityre-ducedby50.7%.Theirantagonistscouldcounteractthechangesofα 1 -andβ-*** clu sion:Thepatternsof changesvariesbetweenα 1 -andβ-ARactivityafterTBI, suggestingtheirdifferentrolesintheneuronalmembranesafter braintrauma,andtimelyadministrationof ARantagonistsispotentiallybeneficialinTBImanagement.

关键词： brain trauma neuronal membranes adrenergic receptors, rats

Open-pore 2-dimensional zeolite MFI nanosheets for the fabrication of hydrocarbon isomer-selective membranes on porous supports

在线全文

学校读者我要写书评

暂无评论

Open-pore 2-dimensional zeolite MFI nanosheets for the fabri...

Prepared regenerated bacterial cellulose membranes in NaOH/thiourea aqueous solution

第19届全国分子筛学术大会

作者： Qiang Xiao Xianghai Guo Lukang Zheng Qi Chen Han Zhang Michael Tsapatsis Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Institute of Physical ChemistryZhejiang Normal University Key Laboratory of Systems Bioengineering Ministry of EducationDepartment of Pharmaceutical EngineeringSchool of Chemical Engineering and TechnologyTianjin University Department of Chemical Engineering and Materials Science University of Minnesota

＜正＞Suspensions of 2-dimensional（2D）zeolite nanosheets can provide building blocks for the fabrication of membranes and catalysts[1].Here we initiate a detemplation method to organic structure directing agent（OSDA）-free 2D zeolite *** made on porous supports by simple filtration of the open-pore 2D zeolite nanosheets suspensions make hydrocarbon isomer-selective membrane.

关键词： zeolite nanosheets membranes 2-dimensional separation

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Prepared regenerated bacterial cellulose membranes in NaOH/t...

An Immunohistochemical Study of IgG, Complement C_3, Collagen Type Ⅲ and Macrophage-Marker Ki-M_7 in Epiretinal membranes

2011 World Congress on Engineering and Technology(CET 2011)

作者： Guangmei Liu Dongping Sun Linzhi Liu Jiamei Song Chengli Cui Bioengineering Department Institute of Chemical Engineering Nanjing University of Science and Technology Nanjing China

The powder （mesh 150） of bacterial cellulose （BC） was dissolved in 6% NaOH/8% thiourea aqueous solution and maxi- mum concentration was 3%.The regenerated bacterial cellulose （RBC） membranes in 6% NaOH/8% thiourea aqueous solution were prepared by coagulating with 1% H2SO4 aqueous solution for 10 min and plasticized with 5% *** RBC membra- nes had the cellulose Ⅱcrystalline form and exihibited porous structure and asymmetric *** physical properties such as optical transmittance （Tr）,porosity （Pr）,water absorption percentage （EWC）,ultrafilter rate （UFR）,tensile strength （σb） of the RBC membranes were characterized.

关键词： membranes Bacterial cellulose NaOH/thiourea

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Eye Science 1996年第1期16卷 10-14页

作者： Yining Shi, Yannian Hui, Jixian MaDepartment of Ophthalmology, Xian Xijing Hospital The 4th Military Medical University, Xian 710032, China

Purpose: To observe the immunological changes in epiretinal membranes from the patients with proliferative vitreoretinopathy (PVR).Methods: Twelve samples of epiretinal membranes obtained during vitreous surgeries for PVR were examined by direct and indirect immunofluorescein ***: The cellular membranes in 8 cases were composed of retinal pigment epithelial cells, fibroblast-like cells, macrophages and collagen. Positive stainings of IgG. C3, collagen type 1 and macrophage-marker Ki-M7(CD68) was seen in the *** : The results indicate that humoral immune components and macrophages may play an important role in the development of epiretinal membrane formation. Eye Science 1996; 12:10-14.

关键词： retinal detachment proliferative vitreoretinopathy epiretinal membranes immunohistochemistry

Ionic Specific Effects beyond the Poisson-Boltzmann Theory:Electrolytes,Surfaces & membranes

在线全文

学校读者我要写书评

暂无评论

Ionic Specific Effects beyond the Poisson-Boltzmann Theory:E...

Electronic/Ionic Conducting Bipolar membranes for Solar Fuel Production under pH Gradients

中国化学会2014年大分子体系理论、模拟与计算研讨会

作者： David Aanelman School of Physics and Astronomy Tel Aviv Univeristy Ramat Aviv 69978Tel AvivIsrael

In aqueous solutions,dissolved ions interact strongly with the surrounding water and surfaces,thereby modifying solution properties in an ion-specific *** Poisson-Boltzmann description of ionic solutions has been successfully used in predicting charge distributions and interactions between charged ***,when dealing with various aspects of

关键词： Poisson Ionic Specific Effects beyond the Poisson-Boltzmann Theory:Electrolytes,Surfaces membranes

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

材料科学与工程（中英文B版） 2022年第1期12卷 1-15页

作者： Ibtehaj Alshdoukhi Michael Freund Steen Holdcroft Basic Sciences Department King Saud bin Abdulaziz University for Health SciencesRiyadhSaudi Arabia Department of Electrical and Computer Engineering Dalhousie UniversityHalifaxNova ScotiaCanada Department of Chemistry Simon Fraser UniversityBurnabyCanada

The components required for artificial photosynthesis including light absorbers and catalysts are being developed at a rapid *** many cases,the anodic and cathodic reactions driven with these systems are optimized for significantly different pH conditions,raising the issue of how they can be made *** work from our group has shown that large pH gradients can be maintained during electrolysis using BPM(bipolar membrane)and that electronic/ionic membranes can be used to couple the two half reactions without the use of external wiring and reducing the ohmic drop in the *** study investigates the properties of composite BPMs designed for artificial photosynthetic devices that require half reactions to operate under different pH *** of performance as a function of the nature of the composites and methods of creating BPMs are detailed.

关键词： Artificial photosynthetic system design manufacture membranes solar fuel devices

Application of different fiber structures and arrangements by electrospinning in triboelectric nanogenerators

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Chemical Engineering 2024年第5期69卷 177-191页

作者： Hebin Li Zifei Meng Dehua Wang Ye Lu Longlong Jiang Le Zhang Hanbin Wang Xiaoxiong Wang College of Physics Qingdao UniversityQingdao 266071China School of Physics and Electronic Engineering Jiangsu Normal UniversityXuzhouJiangsu 221000China Microsystem&Terahertz Research Center China Academy of Engineering Physics(CAEP)Chengdu 610200China Institute of Electronic Engineering China Academy of Engineering Physics(CAEP)Mianyang 621900China University-Industry Joint Center for Ocean Observation and Broadband Communication College of PhysicsQingdao UniversityQingdao 266071China Weihai Innovation Research Institute of Qingdao University Weihai 264200China Collaborative Innovation Center for Eco-Textiles of Shandong Province and State Key Laboratory of Bio-Fibers and Eco-TextilesQingdao UniversityQingdao 266071China

In recent years,nanogenerators(NGs)have attracted wide attention in the energy field,among which triboelectric nanogenerators(TENGs)have shown superior *** reports of electrospinning(ES)-based TENGs have been reported,but there is a lack of deep analysis of the designing method from microstructure,limiting the creative of new ES-based *** TENGs use polymer materials to achieve corresponding design,which requires structural design of polymer *** existing polymer molding design methods include macroscopic molding methods,such as injection,compression,extrusion,calendering,etc.,combined with liquid-solid changes such as soluting and melting;it also includes micro-nano molding technology,such as melt-blown method,coagulation bath method,ES method,and nanoimprint *** fact,ES technology has good controllability of thickness dimension and rich means of nanoscale structure *** present,these characteristics have not been ***,in this paper,we combine recent reports with some microstructure regulation functions of ES to establish a more general TENGs design *** on the rich microstructure research results in the field of ES,much more new types of TENGs can be designed in the future.

关键词： Triboelectric nanogenerators Electrospinning Fiber microstructure regulation Nanomaterials membranes Global optimization

Nano-alumina@cellulose-coated separators with the reinforcedconcrete-like structure for high-safety lithium-ion batteries

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Chemical Engineering 2024年第4期68卷 83-93页

作者： Zhihao Yang Li Chen Jian Xue Miaomiao Su Fangdan Zhang Liangxin Ding Suqing Wang Haihui Wang Guangdong Provincial Key Lab of Green Chemical Product Technology School of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou 510640China Beijing Key Laboratory of Membrane Materials and Engineering Department of Chemical EngineeringTsinghua UniversityBeijing 100084China

Separators play a critical role in the safety and performance of lithium-ion ***,commercial polyolefin separators are limited by their poor affinity with electrolytes and low melting *** this work,we constructed a reinforced-concrete-like structure by homogeneously dispersing nano-Al_(2)O_(3) and cellulose on the separators to improve their stability and *** this reinforcedconcrete-like structure,the cellulose is a reinforcing mesh,and the nano-Al_(2)O_(3) acts as concrete to support the *** constructing the reinforced-concrete-like structure,the separators exhibit good stability even at 200℃(thermal shrinkage of 0.3%),enhanced tensile strain(tensile stress of 133.4 MPa and tensile strains of 62%),and better electrolyte wettability(a contact angle of 6.5°).Combining these advantages,the cells with nano-Al_(2)O_(3)@cellulose-coated separators exhibit stable cycling performance and good rate ***,the construction of the reinforced-concretelike structure is a promising technology to promote the application of lithium-ion batteries in extreme environments.

关键词： Alumina Nanomaterials Lithium-ion batteries membranes Cellulose Reinforced-concrete-like structure

Machine learning for membrane design and discovery

在线全文

学校读者我要写书评

暂无评论

Green Energy & Environment 2024年第1期9卷 54-70页

作者： Haoyu Yin Muzi Xu Zhiyao Luo Xiaotian Bi Jiali Li Sui Zhang Xiaonan Wang Department of Chemical Engineering Tsinghua University100084BeijingChina School of Materials Science&Engineering Tsinghua University100084BeijingChina Department of Chemical and Biomolecular Engineering National University of SingaporeSingapore117576Singapore

Membrane technologies are becoming increasingly versatile and helpful today for sustainable *** Learning(ML),an essential branch of artiﬁcial intelligence(AI),has substantially impacted the research and development norm of new materials for energy and *** review provides an overview and perspectives on ML methodologies and their applications in membrane design and dis-covery.A brief overview of membrane technologies isﬁrst provided with the current bottlenecks and potential *** an appli-cations-based perspective of AI-aided membrane design and discovery,we further show how ML strategies are applied to the membrane discovery cycle(including membrane material design,membrane application,membrane process design,and knowledge extraction),in various membrane systems,ranging from gas,liquid,and fuel cell separation ***,the best practices of integrating ML methods and speciﬁc application targets in membrane design and discovery are presented with an ideal paradigm *** challenges to be addressed and prospects of AI applications in membrane discovery are also highlighted in the end.

关键词： Machine learning membranes AI for Membrane Data-driven Design

New insights into the fusion of inner mitochondrial membranes by Mgm1

在线全文

学校读者我要写书评

暂无评论

Science Foundation in China 2020年第1期28卷 14-14页

With the support by the National Natural Science Foundation of China and the Chinese Academy of Sciences,the research team led by *** JunJie(胡俊杰)at the National Laboratory of Biomacromolecules,Institute of Biophysics,Chinese Academy of Sciences,reported structural and functional analysis of dynamin-like GTPase Mgm1,which was published in PNAS(2020,Feb 10,Epub ahead of print).

关键词： New membranes IMM