维普中文期刊产品整合服务
17篇 您的检索式:作者名="Jiwei Cui"
    题名 作者 年代 出处 被引量
1Operation characteristics of AMS-02 loop heat pipe with bypass valve显示文摘Loop heat pipes (LHPs) were designed for the alpha magnetic spectrometer (AMS-02) to dissipate heat from the cryocoolers. A bypass valve is applied to the LHP to keep the cryocooler temperature above its limit ( 20°C) in cold environment. Extensive experiments were performed on operation characteristics of LHPs with the bypass valve for AMS-02 during thermal vacuum and thermal balance (TVTB) test. We found that the bypass valve can start up successfully in cold environment. With the bypass valve, the evaporator temperature is stable and can meet the requirement of the cryocooler. We analyzed three operating modes of the bypass valve. Set point temperature and regulation temperature shifts were observed and their relations with the bypass valve temperature were given.WANG NaiHua Joseph BURGER LUO Feng CUI Zheng XIN GongMin DU WenJing SONG JiWei CHEN Yan CHENG Lin 2011Science China(Technological Sciences)2011,54,7:6
2Gather wisdom to overcome barriers:Well-designed nano-drug delivery systems for treating gliomas显示文摘Due to the special physiological and pathological characteristics of gliomas,most therapeutic drugs are prevented from entering the brain.To improve the poor prognosis of existing therapies,researchers have been continuously developing non-invasive methods to overcome barriers to gliomas therapy.Although these strategies can be used clinically to overcome the blood-brain barrier(BBB),the accurate delivery of drugs to the glioma lesions cannot be ensured.Nano-drug delivery systems(NDDS)have been widely used for precise drug delivery.In recent years,researchers have gathered their wisdom to overcome barriers,so many well-designed NDDS have performed prominently in preclinical studies.These meticulous designs mainly include cascade passing through BBB and targeting to glioma lesions,drug release in response to the glioma microenvironment,biomimetic delivery systems based on endogenous cells/extracellular vesicles/protein,and carriers created according to the active ingredients of traditional Chinese medicines.We reviewed these well-designed NDDS in detail.Furthermore,we discussed the current ongoing and completed clinical trials of NDDS for gliomas therapy,and analyzed the challenges and trends faced by clinical translation of these well-designed NDDS.Jiwei Cui Yuanxin Xu Haiyan Tu Huacong Zhao Honglan Wang Liuqing Di Ruoning Wang 2022Acta Pharmaceutica Sinica B2022,12,3:2
3Quality of life associ ated with perceived stigma and discrimination among the floating population in Shanghai, China: a qualitative study显示文摘Wang Jiwei Cui Zhiting Cui Hongwei 2010Health Pro- motion International2010,25,4:1
4Reinforcement of the two-stage leaching of laterite ores using surfactants显示文摘A two-stage leaching process,namely,highpressure acid leaching-atmospheric acid leaching,was used to treat laterite ores under mild conditions.The leaching ratio of Ni was low because of adsorption and incomplete leaching.In this work,surfactants were used as additives to boost the leaching ratio of Ni.The effect of surfactant type(cationic,anionic,and nonionic surfactants)on the leaching ratio of Ni was investigated.Leaching results showed that stearyl trimethyl ammonium chloride(STAC)apparently increased the leaching ratios of valuable metals.The variation in the physicochemical properties of the lixiviant and the residue improved the leaching ratio of Ni in the presence of STAC.Kinetics analysis indicated that the leaching process was controlled by chemical reaction.Peiyu Zhang Hairui Wang Jingcheng Hao Jiwei Cui 2021Frontiers of Chemical Science and Engineering2021,15,3:1
5Flexible,stretchable,and transparent InGaN/GaN multiple quantum wells/polyacrylamide hydrogel-based light emitting diodes显示文摘Visualization is a direct,efficient,and simple interface method to realize the interaction between human and machine,whereas the flexible display unit,as the major bottleneck,still deeply hinders the advances of wearable and virtual reality devices.To obtain flexible optoelectronic devices,one of the effective methods is to transfer a high-efficient and long-lifetime inorganic optoelectronic film from its rigid epitaxial substrate to a foreign flexible/soft substrate.Additionally,piezo-phototronic effect is a fundamental theory for guiding the design of flexible optoelectronic devices.Herein,we demonstrate a flexible,stretchable,and transparent InGaN/GaN multiple quantum wells(MQWs)/polyacrylamide(PAAM)hydrogel-based light emitting diode coupling with the piezo-phototronic effect.The quantum well energy band and integrated luminous intensity(increased by more than 31.3%)are significantly modulated by external mechanical stimuli in the device.Benefiting from the small Young's modulus of hydrogel and weak Van der Waals force,the composite film can endure an extreme tensile condition of about 21.1%stretching with negligible tensile strains transmitted to the InGaN/GaN MQWs.And the stable photoluminescence characteristics can be observed.Moreover,the hydrogen-bond adsorption and excellent transparency of the hydrogel substrate greatly facilitate the packaging and luminescence of the optoelectronic device.And thus,such a novel integration scheme of inorganic semiconductor materials and organic hydrogel materials would help to guide the robust stretchable optoelectronic devices,and show great potential in emerging wearable devices and virtual reality applications.Jiwei Chen Jiangwen Wang Keyu Ji Bing Jiang Xiao Cui Wei Sha Bingjun Wang Xinhuan Dai Qilin Hua Lingyu Wan Weiguo Hu 2022Nano Research2022,15,6:1
6Bioengineering extracellular vesicles as novel nanocarriers towards brain disorders显示文摘Despite noteworthy technological progress and promising preclinical trials,brain disorders are still the leading causes of death globally.Extracellular vesicles(EVs),nano-/micro-sized membrane vesicles carrying bioactive molecules,are involved in cellular communication.Based on their unique properties,including superior biocompatibility,non-immunogenicity,and blood-brain barrier(BBB)penetration,EVs can shield their cargos from immune clearance and transport them to specific site,which have attracted increasing interests as novel nanocarriers for brain disorders.However,considering the limitations of native EVs,such as poor encapsulation efficiency,inadequate targeting capability,uncontrolled drug release,and limited production,researchers bioengineer EVs to fully exploit the clinical potential.Herein,this review initially describes the basic properties,biogenesis,and uptake process of EVs from different subtypes.Then,we highlight the application of EVs derived from different sources for personalized therapy and novel strategies to construct bioengineered EVs for enhanced diagnosis and treatment of brain disorders.Besides,it also presents a systematic comparison between EVs and other brain-targeted nanocarriers.Finally,existing challenges and future perspectives of EVs have been discussed,hoping to bolster the research from benchtop to bedside.Jie Wu Lei Ma Danni Sun Xinru Zhang Jiwei Cui Yingjiang Du Yumiao Guo Xue Wang Liuqing Di Ruoning Wang 2023Nano Research2023,16,2:1
7Nonrelativistic mean-field description of the deformation of Λ hypernuclei显示文摘The deformations of light Λ hypernuclei are studied in an extended nonrelativistic deformed Skyrme-Hartree-Fock approach with realistic modern nucleonic Skyrme forces,pairing correlations,and a microscopical lambda-nucleon interaction derived from Brueckner-Hartree-Fock calculations.Compared to the large effect of an additional Λ particle on nuclear deformation in the light soft nuclei within relativistic mean field method,this effect is much smaller in the nonrelativistic mean-field approximation.ZHOU XianRong CUI JiWei WEI Ning 2009Science China(Physics,Mechanics & Astronomy)2009,52,10:1
8Overview of the LAMOST survey in the first decade显示文摘The Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST),also known as the Guoshoujing Telescope,is a major national scientific facility for astronomical research located in Xinglong,China.Beginning with a pilot survey in 2011,LAMOST has been surveying the night sky for more than 10 years.The LAMOST survey covers various objects in the Universe,from normal stars to peculiar ones.Hongliang Yan Haining Li Song Wang Weikai Zong Haibo Yuan Maosheng Xiang Yang Huang Jiwei Xie Subo Dong Hailong Yuan Shaolan Bi Yaoquan Chu Xiangqun Cui Licai Deng Jianning Fu Zhanwen Han Jinliang Hou Guoping Li Chao Liu Jifeng Liu Xiaowei Liu Ali Luo Jianrong Shi Xuebing Wu Haotong Zhang Gang Zhao Yongheng Zhao 2022The Innovation2022,3,2:0
9Automated and remote synthesis of poly(ethylene glycol)-mineralized ZIF-8 composite particles via a synthesizer assisted by femtosecond laser micromachining显示文摘Mineralization of the ZIF-8 in the presence of biomacromolecules has been demonstrated to be a general way for making bioentities@ZIFs composites.The ZIF-8 crystals permit controlled storage and utilization of the bioentities,thus can benefit drug delivery,cold-chain breaking etc.With the increasing needs on personal care and distributed manufacturing,automated synthesis controlled by a computer becomes the next challenge.In this work,we designed an automatic synthesis system to prepare PEG mineralized ZIF-8 composite particles.This system is based on flow chemistry with the microfluidic chips fabricated by femtosecond laser micromachining.The particles were synthesized and monitored automatically.Furthermore,this synthesizer could be extended for fabrication of vaccine particles under remote control through internet.Miao Wu Lingling Xia Yucen Li Difeng Yin Jianping Yu Wenbo Li Ning Wang Xin Li Jiwei Cui Wei Chu Ya Cheng Ming Hu 2022Chinese Chemical Letters2022,33,1:0
10Ensemble of single-atom catalysis and defect engineering in Cu_(1)/CeO_(2) nanozymes for tumor therapy显示文摘As a class of nanomaterials with natural enzyme-like characteristics, nanozymes have shown their great potential in various applications. Reducible metal oxides featured with defect structures, and single-atom catalysts with isolated metal sites are regarded as two of the most promising nanozymes. However, the strategies to construct highly performed nanozymes by combining these advantages are rarely reported. Herein, we report the coordination-unsaturated single-atomic Cu species supported on sintered CeO_(2), which combines the advantages of defect engineering and single-atom catalysis, exhibiting a largely enhanced peroxidase(POD)-like activity. The high-temperature calcination induces the transformation of inert Cu_(1)O_(4) species into coordination-unsaturated Cu_(1)O_(3) sites. This novel Cu_(1)O_(3) active sites with an unsaturated coordination work as a new type of defect sites to greatly activate the isolated Cu atoms and accelerate the dissociation of H_(2)O_(2) to form hydroxyl radicals(·OH). The obtained nanozyme with a high POD-like activity possesses low cytotoxicity, showing potential applications for the tumor inhibition in vitro and in vivo.Hao-Xin Liu Zhiliang Gao Han Yan Shan-Qing Li Wei-Wei Wang Xuetao Qin Hongning Sun Jiwei Cui Chun-Jiang Jia 2023Science China Chemistry2023,66,9:0
11Effect of time-odd fields on odd-even mass differences of semi-magic nuclei显示文摘The effect of time-odd fields of Skyrme interaction on neutron odd-even mass differences is studied in the framework of axially deformed Skyrme Hartree-Fock(DSHF)+BCS model. To this end, we take into account both the time-even and time-odd fields to calculate the one-neutron and two-neutron separation energies and pairing gaps of semi-magic Ca, Ni, and Sn isotopic chains. In the calculations, a surface-type pairing interaction(IS pairing) and an isospin dependent contact pairing interaction(IS+IV pairing)are adopted on top of Skyrme interactions SLy4, SLy6 and Sk M*, respectively. We find that the time-odd fields have in general small effects on pairing gaps, but achieve better agreement with experimental data using SLy4 and Sly6 interactions, respectively.It is also shown that the calculations with IS+IV pairing reproduce the one-neutron separation energies of Sn isotopes better than those with the IS pairing interaction when the contributions of the time-odd fields are included.Kun Yu XianRong Zhou JiWei Cui H.Sagawa 2016Science China(Physics,Mechanics & Astronomy)2016,59,5:0
12Co-delivery of enzymes and photosensitizers via metal-phenolic network capsules for enhanced photodynamic therapy显示文摘The intrinsic hypoxic tumor microenvironment and limited accumulation of photosensitizers(PSs) result in unsatisfied efficiency of photodynamic therapy(PDT).To enhance the PDT efficiency against solid tumors,a functional oxygen self-supplying and PS-delivering nanosystem is fabricated via the combination of catalase(CAT),chlorin e6(Ce6) and metal-phenolic network(MPN) capsule.It is demonstrated that the CAT encapsulated in the capsules(named CCM capsules) could catalyze the degradation of hydrogen peroxide(H;O;) to produce molecular oxygen(O;),which could be converted into cytotoxicity reactive oxygen species(ROS) by surface-loaded Ce6 under 660 nm laser irradiation,leading to synergistic anticancer effects in vitro and in vivo.Therefore,the application of CCM capsule could be a promising strategy to improve PDT effectiveness.Qian Wang Zhiliang Gao Kaijie Zhao Peiyu Zhang Qi-Zhi Zhong Qun Yu Shumei Zhai Jiwei Cui 2022Chinese Chemical Letters2022,33,4:0
13Soil microbial respiration is regulated by stoichiometric imbalances: Evidence from a humidity gradient case显示文摘Humidity not only affects soil microbial respiration(SMR) directly, but, indirectly by regulating the availability of soil water and nutrients. However,the patterns of direct and indirect effects of humidity on SMR over large precipitation gradients remain unclear, limiting our understanding of the effects of precipitation changes on soil C cycle. Here, we investigated the relationships among humidity, soil nutrients, and SMR by identifying stoichiometric imbalances, microbial elemental homeostasis, and microbial C use efficiency along a precipitation gradient at a continental scale. The relationship between SMR and humidity index(HI) corresponded to a Richard’s curve with an inflection point threshold value of approximately 0.7. Soil microbial respiration increased with increasing humidity in drier areas(HI < 0.7), but tended to balance above this threshold. Increasing humidity exacerbated C:P and N:P imbalances across the selected gradient. Severe N and P limitations in soil microbial communities were observed in drier areas, while soil microbes suffered from aggravated P limitation as the humidity increased in wetter areas(HI > 0.7). Soil microbial communities regulated their enzyme production to maintain a strong stoichiometric homeostasis in drier areas;enzyme production, microbial biomass, and threshold elemental ratios were non-homeostatic under P limitation in wetter areas, which further contributed to the increase in SMR. Our results identified a moisture constraint on SMR in drier areas and highlighted the importance of nutrient(especially for P) limitations induced by humidity in regulating SMR in wetter areas. Understanding the modulation of SMR via soil enzyme activity may improve the prediction of soil C budget under future global climate change.Jiwei LI Jiangbo XIE Jianzhao WU Yongxing CUI Lingbo DONG Yulin LIU Xuying HAI Yan LI Zhouping SHANGGUAN Kaibo WANG Changhui PENG Lei DENG 2023Pedosphere2023,33,6:0
14Tunable morphologies of polymer capsules templated from cuprous oxide particles for control over cell association显示文摘Over the past two decades,layer-by-layer(LbL) assembly of micro/nanocapsules has been of interest for the investigation of bio-nano interactions to explore bio-applications,such as drug delivery.The choice of an appropriate template that can be easily dissolved under mild conditions is one of the challenges for the assembly of LbL capsules.Herein,we report the engineering of LbL capsules with tunable morphologies using cuprous oxide(Cu_2O) particles as templates.Cu_2O particles with cubic,tetradecahedral or spherical morphologies were synthesized via hydrothermal processes,which can be dissolved under mild condition(e.g.,sodium thiosulfate solution).The influence of capsule morphologies on cell association was investigated,which indicates that LbL capsules with cubic geometry promoted cell association up to 4 and 9-fold than tetradecahedral and spherical capsules,respectively.The reported method provides a new avenue for the assembly of LbL capsules with different morphologies,which has the potential for better understanding of biological interactions of LbL capsules.Hongyan Pei Yanyan Bai Jianman Guo Zhiliang Gao Qiong Dai Qun Yu Jiwei Cui 2020Chinese Chemical Letters2020,31,2:0
15Partial oxidation of methane by photocatalysis显示文摘Methane chemistry is one of the“Holy Grails of catalysis”.It is highly desirable but challenge to transform methane into value-added chemicals,because of its high C-H bonding energy(435 kJ/mol),lack ofπbonding or unpaired electrons.Currently,commercial methane conversion is usually carried out in harsh conditions with enormous energy input.Photocatalytic partial oxidation of methane to liquid oxygenates(PPOMO)is a future-oriented technology towards realizing high efficiency and high selectivity under mild conditions.The selection of oxidant is crucial to the PPOMO performance.Hence,attentions are paid to the research progress of PPOMO with various oxidants(O_(2),H_(2)O,H_(2)O_(2)and other oxidants).Moreover,the activation of the selected oxidants is also highly emphasized.Meanwhile,we summarized the methane activation mechanisms focusing on the C-H bond that was broken mainly by·OH radical,O-specie or photogenerated hole(h+).Finally,the challenges and prospects in this subject are briefly discussed.Zhongshan Yang Qiqi Zhang Hui Song Xin Chen Jiwei Cui Yanhui Sun Lequan Liu Jinhua Ye 2024Chinese Chemical Letters2024,35,1:0
16Water-in-Water Emulsions,Ultralow Interfacial Tension,and Biolubrication显示文摘A water-in-water(W/W)emulsion consists of droplets formed by the spontaneous liquid-liquid separation of two immiscible aqueous phases.The inherent properties of the W/W interfaces,low or ultralowinterfacial tension(γ_(W/W)=1-1000μN/m)and a large thickness of several nanometers,beget the poor inherent stability of emulsions.Herein,we report a nanofibril emulsifier having Schiff base reactivity to generate a W/W emulsion.The W/W emulsion has superior stability(stable>6 months)because collagen nanofibrils,acting as a stabilizer of W/W emulsions,can simultaneously satisfy the requirements of sizeandoverall coverage ratio of the phase interfaces.W/Wemulsions having γ_(W/W)∼10μN/m were used as synthetic synovial fluids,showing superior lubrication performance with a coefficient of friction in the range of 0.003-0.011,which has been demonstrated to be suitable for joint lubrication.An intraarticular injection assessment further confirmed this protective effect on articular cartilage in vivo.Our study reveals the mechanism of emulsion stabilization and opens up the possibility of osteoarthritis(OA)treatment using the biolubrication effects of W/W emulsions for lubricated artificial implant surfaces.Yitong Wang Jin Yuan Yunpeng Zhao Ling Wang Luxuan Guo Lei Feng Jiwei Cui Shuli Dong Shanhong Wan Weimin Liu Heinz Hoffmann Kiet Tieu Jingcheng Hao 2022CCS Chemistry2022,4,6:0
17Co-delivery of anticancer drugs and cell penetrating peptides for improved cancer therapy显示文摘Delivery systems based on nanoparticles(NPs)have shown great potential to reduce side effects and improve the therapeutic efficacy.Herein,we report the one-pot synthesis of poly(ethylene glycol)-mediated zeolitic imidazolate framework-8(ZIF-8)NPs for the co-delivery of an anticancer drug(i.e.,doxorubicin)and a cell penetrating peptide containing histidine and arginine(i.e.,H4 R4)to improve the efficacy of therapeutic delive ry.The cargo-encapsulated ZIF-8 NPs are pH-responsive,which are stable at neutral pH and degradable at acidic pH to release the encapsulated cargos.The released H4 R4 can help for endosome/lysosome escape to enhance the cytotoxicity of the encapsulated drugs.In vivo studies demonstrate that the co-delivery of doxo rubicin and H4 R4 peptides can efficiently inhibit tumor growth without significant side effects.The reported strategy provides a new perspective on the design of drug delivery systems and brings more opportunities for biomedical applications.Xiao Fu Guiqiang Zhang Yulin Zhang Haifeng Sun Shuang Yang Shilei Ni Jiwei Cui 2021Chinese Chemical Letters2021,32,4:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费