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Effect of aflibercept combined with triamcinolone acetonide on aqueous humor growth factor and inflammatory mediators in diabetic macular edema

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International Journal of Ophthalmology(English edition) 2024年第2期17卷 297-303页

作者： de-shuang li Hong-Xia liao Jing-lin Zhang Bo Qin Shenzhen Aier Eye Hospital Aier Eye HospitalJinan UniversityShenzhen 518031Guangdong ProvinceChina Guangzhou Aier Eye Hospital Jinan UniversityGuangzhou 510040Guangdong ProvinceChina

AIM:To investigate the efficacy of aflibercept combined with sub-tenon injection of triamcinolone acetonide(TA)in treating diabetic macular edema(DME)and to examine changes in growth factors and inflammatory mediator levels in aqueous humor after ***:Totally 67 DME patients(67 eyes)and 30 cataract patients(32 eyes)were enrolled as the DME group and the control group,*** DME group was divided into the aflibercept group(34 cases)and the aflibercept combined with TA group(combined group,33 cases).The aqueous humor of both groups was collected during the study *** aqueous levels of vascular endothelial growth factor(VEGF),monocyte chemoattractant protein-1(MCP-1),interleukin-6(IL-6),interleukin-8(IL-8),and interleukin-1β(IL-1β)were detected using a microsphere suspension array technology(Luminex 200TM).Aqueous cytokines,best-corrected visual acuity(BCVA),central macular thickness(CMT),and complications before and after treatment were compared between the aflibercept group and combined ***:The concentrations of VEGF,MCP-1,IL-6,and IL-8 in the aqueous humor were significantly higher in the DME group than those of the control group(all Plibercept group(all P0.05).CONCLUSION:The cytokines VEGF,MCP-1,IL-6,and IL-8 in the aqueous humor of DME patients are significantly *** and aflibercept combined with TA have good efficacy in DME patients,can effectively reduce CMT,improve the patient’s vision,and have high *** combined with TA can quickly downregulate the aqueous humor cytokines and help to relieve macular edema ***,the long-term eff

关键词： diabetic macular edema aqueous humor cytokines aflibercept triamcinolone acetonide

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Aflibercept combined with triamcinolone acetonide in the treatment of diabetic macular edema:optical coherence tomography and optical coherence tomography angiography

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 670-675页

作者： de-shuang li Hong-Xia liao Chuan-He Zhang Jian-Guo Huang Wei Chen Jing-lin Zhang Bo Qin Shenzhen Aier Eye Hospital Aier Eye HospitalJinan UniversityShenzhen 518031Guangdong ProvinceChina department of Ophthalmology the University of Hong Kong-Shenzhen HospitalShenzhen 518000Guangdong ProvinceChina Guangzhou Aier Eye Hospital Jinan UniversityGuangzhou 510040Guangdong ProvinceChina

AIM:To analyze the relationship between optical coherence tomography(OCT)and OCT angiography(OCTA)imaging in patients with diabetic macular edema(DME)who are treated with a combination of aflibercept and triamcinolone acetonide(TA).METHODS:A total of 76 eyes newly diagnosed DME were included in this *** were randomly assigned to receive either aflibercept or a combination of aflibercept and *** once a month for a total of three *** macular thickness(CMT),number of hyperreflective foci(HRF),height of subretinal fluid(SRF),and area of foveal avascular zone(FAZ)were evaluated using OCT and OCTA at baseline and after each monthly ***:Both groups showed improvement in best corrected visual acuity(BCVA)and reduction in macular edema after treatment,and the difference in BCVA between the two groups was statistically significant after each treatment(Plibercept group after each injection,while the area of FAZ showed no significant change before and after treatment in both ***:The combination therapy of aflibercept and TA shows more significant effects on DME eyes with decreased HRF and ***,both aflibercept and combination therapy show no significant change in the area of FAZ.

关键词： diabetic macular edema optical coherence tomography optical coherence tomography angiography hyperreflective foci subretinal fluid foveal avascular zone aflibercept

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Flocking of a Cucker-Smale Type Model with Compactly Supported Interaction Functions

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ACTA MATHEMATICA SINICA-ENGliSH SERIES 2024年第9期40卷 2285-2296页

作者： Jin, Chun Yin li, shuang Zhi China Agr Univ Coll Sci Beijing 100083 Peoples R China

How to analyze flocking behaviors of a multi-agent system with local interaction functions is a challenging problem in theory. Motsch and Tadmor in 2011 also stressed the significance to assume that the interaction function is rapidly decaying or cut-off at a finite distance (cf. Motsch and Tadmor in J. Stat. Phys. 2011). In this paper, we study the flocking behavior of a Cucker-Smale type model with compactly supported interaction functions. Using properties of a connected stochastic matrix, together with an elaborate analysis on perturbations of a linearized system, we obtain a sufficient condition imposed only on model parameters and initial data to guarantee flocking. Moreover, it is shown that the system achieves flocking at an exponential rate.

关键词： Cucker-Smale model local interaction flocking stochastic matrix neighbor graph PRESSURELESS EULER SYSTEM WELL-POSEDNESS WEAK SYNCHRONIZATION EXISTENCE DYNAMICS

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IQABC-Based Hybrid deployment Algorithm for Mobile Robotic Agents Providing Network Coverage

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Tsinghua Science and Technology 2024年第2期29卷 589-604页

作者： shuang Xu Xiaojie liu dengao li Jumin Zhao College of Computer Science and Technology(College of Data Science) Taiyuan University of TechnologyTaiyuan 030024China Pengcheng Laboratory Shenzhen 518055China College of Information and Computer Taiyuan University of TechnologyTaiyuan 030024China

Working as aerial base stations,mobile robotic agents can be formed as a wireless robotic network to provide network services for on-ground mobile devices in a target ***,a challenging issue is how to deploy these mobile robotic agents to provide network services with good quality for more users,while considering the mobility of on-ground *** this paper,to solve this issue,we decouple the coverage problem into the vertical dimension and the horizontal dimension without any loss of optimization and introduce the network coverage model with maximum coverage ***,we propose a hybrid deployment algorithm based on the improved quick artificial bee *** algorithm is composed of a centralized deployment algorithm and a distributed *** proposed deployment algorithm deploy a given number of mobile robotic agents to provide network services for the on-ground devices that are independent and identically *** results have demonstrated that the proposed algorithm deploys agents appropriately to cover more ground area and provide better coverage uniformity.

关键词： wireless robotic networks network coverage deployment algorithm improved quick artificial bee colony

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Resilience assessment and optimization method of city road network in the post-earthquake emergency period

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Earthquake Engineering and Engineering Vibration 2024年第3期23卷 765-779页

作者： Wang Haoran Xiao Jia li shuang Zhai Changhai Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information TechnologyHarbin Institute of TechnologyHarbin 150090China

The post-earthquake emergency period,which is a sensitive time segment just after an event,mainly focuses on saving life and restoring social *** improve the seismic resilience of city road networks,a resilience evaluation method used in the post-earthquake emergency period is *** road seismic damage index of a city road network can consider the influence of roads,bridges and buildings along the roads,*** road capacity after an earthquake.A function index for a city road network is developed,which reflects the connectivity,redundancy,traffic demand and traffic function of the *** optimization model for improving the road repair order in the post-earthquake emergency period is also developed according to the resilience evaluation,to enable decision support for city emergency management and achieve the best seismic resilience of the city road *** optimization model is applied to a city road network and the results illustrate the feasibility of the resilience evaluation and optimization method for a city road network in the post-earthquake emergency period.

关键词： city road network post-earthquake emergency period traffic demand resilience evaluation optimization model

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Complications and comorbidities associated with antineoplastic chemotherapy:Rethinking drug design and delivery for anticancer therapy

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Acta Pharmaceutica Sinica B 2024年第7期14卷 2901-2926页

作者： Xiaoman Mao shuang Wu Dandan Huang Chong li College of Pharmaceutical Sciences Southwest UniversityChongqing 400715China Medical Research Institute Southwest UniversityChongqing 400715China School of Pharmaceutical Sciences Southern Medical UniversityGuangzhou 510515China

despite the considerable advancements in chemotherapy as a cornerstone modality in cancer treatment,the prevalence of complications and pre-existing diseases is on the rise among cancer patients along with prolonged survival and aging *** relationships between these disorders and cancer are intricate,bearing significant influence on the survival and quality of life of individuals with cancer and presenting challenges for the prognosis and outcomes of ***,we review the prevailing complications and comorbidities that often accompany chemotherapy and summarize the lessons to learn from inadequate research and management of this scenario,with an emphasis on possible strategies for reducing potential complications and alleviating comorbidities,as well as an overview of current preclinical cancer models and practical advice for establishing bio-faithful preclinical models in such complex context.

关键词： Complications Comorbidities Chemotherapy Preclinical cancer models Drug design Drug delivery

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Atmospheric transmission algorithm for pulsed X-rays from high-altitude nuclear detonations based on scattering correction

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Nuclear Science and Techniques 2024年第3期35卷 40-52页

作者： Ding-Han Zhu Xiong Zhang Xiao-Qiang li Peng li Yan-Bin Wang shuang Zhang State Key Laboratory of NBC Protection for Civilian Beijing 102205China

In high-altitude nuclear detonations,the proportion of pulsed X-ray energy can exceed 70%,making it a specific monitoring signal for such *** pulsed X-rays can be captured using a satellite-borne X-ray detector following atmospheric *** quantitatively analyze the effects of different satellite detection altitudes,burst heights,and transmission angles on the physical processes of X-ray transport and energy fluence,we developed an atmospheric transmission algorithm for pulsed X-rays from high-altitude nuclear detonations based on scattering *** proposed method is an improvement over the traditional analytical method that only computes direct-transmission *** traditional analytical method exhibits a maximum relative error of 67.79% compared with the Monte Carlo *** improved method reduces this error to within 10% under the same conditions,even reaching 1% in certain ***,its computation time is 48,000 times faster than that of the Monte Carlo *** results have important theoretical significance and engineering application value for designing satellite-borne nuclear detonation pulsed X-ray detectors,inverting nuclear detonation source terms,and assessing ionospheric effects.

关键词： High-altitude nuclear detonation Atmospheric transmission Pulsed X-rays Scattering correction Analytical method Monte Carlo method

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Unbound^(28)O,the heaviest oxygen isotope observed:a cutting-edge probe for testing nuclear models

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Nuclear Science and Techniques 2024年第2期35卷 1-2页

作者： Jian-Guo li Bai-Shan Hu shuang Zhang Fu-Rong Xu School of Physics and State Key Laboratory of Nuclear Physics and TechnologyPeking UniversityBeijing 100871China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China Southern Center for Nuclear-Science Theory(SCNT) Institute of Modern PhysicsChinese Academy of SciencesHuizhou 516000China

The beyond-dripline oxygen isotopes^(27,28)O were recently observed at RIKEN,and were found to be unbound decaying into^(24)O by emitting *** unbound feature of the heaviest oxygen isotope,^(28)O,provides an excellent test for stateof-the-art nuclear *** atomic nucleus is a self-organized quantum manybody system comprising specific numbers of protons Z and neutrons N.

关键词： testing quantum system

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Charge regulation by ferromagnetic metal/liF spin-polarized interface for high-performance li metal anodes

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Rare Metals 2024年第3期43卷 995-1005页

作者： Ming-Yang Feng shuang Zhou Yi-Fang Zhang Ya-Ping Wang Chun-Yan Fu Jian-Wen li Yuan-Lang Wan Zhi-Jia Zhang Yong Jiang An-Qiang Pan State Key Laboratory of Powder Metallurgy School of Materials Science and EngineeringCentral South UniversityChangsha410083China State Key Laboratory of Separation Membranes and Membrane Processes Tianjin Key Laboratory of Advanced Fibers and Energy StorageSchool of Material Science and EngineeringTiangong UniversityTianjin300387China School of Materials Science and Engineering Hebei University of TechnologyTianjin300130China

The interfacial characteristics of the li metal anode(LMA)play a crucial role in its overall *** various materials being applied to modify the interface,a comprehensive understanding of their specific mechanisms remains to be ***,we have prepared carbon cloth(CC)frameworks with their surfaces modified using ferromagnetic metal/liF heterogeneous films(T^(M)-liF-CC)as the substrate for LMA,which exhibit superior electrochemical *** ferromagnetic Co as a representative example,our study demonstrates that the enhanced performance of Co-liF-CC,compared to bare CC,is attributed to the spinpolarized interface contributed by the Co/liF *** and liF play individual roles in redistributing electrons and li^(+)to promote homogeneous li *** nanoparticles play a crucial role in generating strong surface capacitance by storing electrons in spin-split bands,while liF,with low surface diffusion barriers,ensures fast transportation of li^(+).The Co-liF-CC@li electrodes deliver long lives of 7400 and 3600 h at 1 and 2 mA·cm^(-2)in symmetric cells,respectively;moreover,they enable full batteries with high and durable capacities,particularly when the N/P ratios are low(3.3 or even 1.7).

关键词： lithium metal anode Interfacial charge Ferromagnetic metal lithium fluoride Spin polarization

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Microneedle patch loaded with ferritin-nanocaged doxorubicin for locally targeted drug delivery and efficient skin cancer treatment

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Particuology 2024年第5期88卷 282-289页

作者： Feng li Yuan Yang Hua Yue shuang Wang Xiao Zhang Wei Wei State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing100190China Key Laboratory of Biopharmaceutical Preparation and delivery Chinese Academy of SciencesBeijing100190China School of Chemical Engineering University of Chinese Academy of SciencesBeijing100049China

Ferritin has emerged as a promising nanocarrier for delivering therapeutic agents to ***,the limited drug loading and the off-target impacts after systemic administration remain challenges for cancer treatment with ferritin-based ***,we develop a microneedle patch loaded with ferritin-nanocaged doxorubicin(DoxFe@Fn/MN)for skin cancer ***,doxorubicin(Dox)is encapsulated in ferritin(Fn)using an iron core-assisted strategy,which results in a 3.4-fold increase in Dox loading compared to the direct loading ***,a polyvinyl alcohol-based microneedle(MN)patch is used for the transdermal delivery of DoxFe@Fn,enabling targeted tumour accumulation of DoxFe@Fn and preventing off-target *** released DoxFe@Fn can bind to CD71 highly expressed on skin cancer cells,facilitating its *** a result,the DoxFe@Fn/MN therapy presents a robust antitumour effect in a melanoma tumour model,showing its potential as a promising therapeutic modality for skin cancer treatment.

关键词： Ferritin Microneedle Skin cancer Drug delivery

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