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Activation of the Complement Lectin Pathway by Iron Oxide Nanoparticles and Induction of Pro-inflammatory Immune Response by Macrophages 氧化铁纳米颗粒激活补体凝集素途径及诱导巨噬细胞促炎免疫反应
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-12-01 DOI: 10.2174/0115734137270924231117112124
Haseeb A. Khan, Uday Kishore, Salman H. Alrokayan, Khalid E. Ibrahim
Aims:: Nanoparticles are important agents for targeted drug delivery to tissues or organs, or even solid tumour in certain instances. However, their surface charge distribution makes them amenable to recognition by the host immune mechanisms, especially the innate immune system, which interferes with their intended targeting, circulation life, and eventual fate in the body. We aimed to study the immunological response of iron oxide nanoparticles (Fe-NPs) and the role of the complement system in inducing an inflammatory cascade. Background:: The complement system is an important component of the innate immune system that can recognise molecular patterns on the pathogens (non-self), altered self (apoptotic and necrotic cells, and aggregated proteins such as beta-amyloid peptides), and cancer cells. It is no surprise that clusters of charge on nanoparticles are recognised by complement subcomponents, thus activating the three complement pathways: classical, alternative, and lectin. Objective:: This study aimed to examine the ability of Fe-NPs to activate the complement system and interact with macrophages in vitro. Methods:: Complement activation following exposure of macrophage-like cell line (THP-1) to Fe-NPs or positive control was analysed by standard protocol. Real-time PCR was used for mRNA-level gene expression analysis, whereas multiplex cytokine array was used for proteinlevel expression analysis of cytokines and chemokines. Results:: Fe-NPs activated all three pathways to a certain extent; however, the activation of the lectin pathway was the most pronounced, suggesting that Fe-NPs bind mannan-binding lectin (MBL), a pattern recognition soluble receptor (humoral factor). MBL-mediated complement activation on the surface of Fe-NPs enhanced their uptake by THP-1 cells, in addition to dampening inflammatory cytokines, chemokines, growth factors, and soluble immune ligands. Conclusion:: Selective complement deposition (via the lectin pathway in this study) can make pro-inflammatory nanoparticles biocompatible and render them anti-inflammatory properties.
目的:纳米颗粒是靶向药物递送到组织或器官,甚至在某些情况下实体肿瘤的重要媒介。然而,它们的表面电荷分布使它们易于被宿主免疫机制,特别是先天免疫系统识别,这干扰了它们在体内的预定靶向、循环寿命和最终命运。我们旨在研究氧化铁纳米颗粒(Fe-NPs)的免疫反应以及补体系统在诱导炎症级联中的作用。背景:补体系统是先天免疫系统的一个重要组成部分,它可以识别病原体(非自身)、改变的自身(凋亡和坏死细胞,以及聚集的蛋白质,如β -淀粉样肽)和癌细胞的分子模式。不足为奇的是,纳米颗粒上的电荷簇被补体亚组分识别,从而激活了三种补体途径:经典、替代和凝集素。目的:研究Fe-NPs在体外激活补体系统和与巨噬细胞相互作用的能力。方法:采用标准方案分析巨噬细胞样细胞系(THP-1)暴露于Fe-NPs或阳性对照后补体活化情况。实时荧光定量PCR用于mrna水平的基因表达分析,多重细胞因子阵列用于细胞因子和趋化因子的蛋白水平表达分析。结果:Fe-NPs对三条通路均有一定的激活作用;然而,凝集素途径的激活最为明显,表明Fe-NPs结合甘露聚糖结合凝集素(MBL),一种模式识别可溶性受体(体液因子)。除了抑制炎症因子、趋化因子、生长因子和可溶性免疫配体外,mbl介导的Fe-NPs表面补体活化增强了THP-1细胞对Fe-NPs的摄取。结论:选择性补体沉积(本研究通过凝集素途径)可使促炎纳米颗粒具有生物相容性并具有抗炎特性。
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引用次数: 0
Recycling the Spent Lithium-ion Battery into Nanocubes Cobalt Oxide Supercapacitor Electrode 废锂离子电池回收制备纳米钴氧化物超级电容器电极的研究
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-12-01 DOI: 10.2174/0115734137265230231020181833
Zinab H. Bakr, Eslam A. A. Aboelazm, Cheng Seong Khe, Gomaa A. M. Ali, Kwok Feng Chong
Background:: Cobalt oxide nanocubes have garnered significant attention as potential supercapacitor electrodes due to their unique structural and electrochemical properties. The spent lithium-ion batteries (LiBs) are considered as zero-cost source for cobalt oxide production. Objective:: The aim of this work is to recover cobalt oxide from spent LiBs and study its electrochemical performance as a supercapacitor electrode material. Method:: This study uses an electrodeposition method to obtain cobalt oxide honeycomb-like anodes coated on Ni foam substrates from spent Li-ion batteries for supercapacitors applications. The effect of annealing temperature on the cobalt oxide anode has been carefully investigated; 450 ºC annealing temperature results in nanocubes on the surface of the cobalt oxide electrode. X-ray diffraction confirmed the formation of the Co3O4-NiO electrode. Results:: The Co3O4-NiO nanocubes electrode has shown a high specific capacitance of 1400 F g-1 at 1 A g-1 and high capacitance retention of ~96 % after 2250 cycles at a constant current density of 10 A g-1 compared to 900 F g-1 at 1 A g-1 as for prepared Co3O4 honeycomb. Conclusion:: This strategy proves that the paramount importance of Co3O4-NiO nanocubes, meticulously synthesized at elevated temperatures, as a supremely effective active material upon deposition onto transition metal foam current collectors, establishing their indispensability for supercapacitor applications.
背景:氧化钴纳米立方由于其独特的结构和电化学性能,作为潜在的超级电容器电极而受到广泛关注。废锂离子电池(LiBs)被认为是生产钴氧化物的零成本来源。目的:从废锂中回收氧化钴,研究其作为超级电容器电极材料的电化学性能。方法:本研究采用电沉积法在超级电容器用废旧锂离子电池的Ni泡沫衬底上涂覆蜂窝状氧化钴阳极。研究了退火温度对氧化钴阳极的影响;450℃的退火温度会在氧化钴电极表面产生纳米立方体。x射线衍射证实了Co3O4-NiO电极的形成。结果:Co3O4- nio纳米立方电极在1 a g-1电流下的比电容为1400 F -1,在10 a g-1恒电流密度下循环2250次后的电容保持率为96%,而制备的Co3O4蜂窝电极在1 a g-1电流密度下的比电容为900 F -1。结论:该策略证明了在高温下精心合成的Co3O4-NiO纳米立方体作为沉积在过渡金属泡沫集流器上的一种极其有效的活性材料的重要性,确立了它们在超级电容器应用中不可或缺的地位。
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引用次数: 0
Carbon Nanotubes: A Targeted Drug Delivery against Cancer Cell 碳纳米管:针对癌细胞的靶向药物递送
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-11-30 DOI: 10.2174/0115734137271865231105070727
Prashant Kumar, Surya Nath Pandey, Farman Ahmad, Anurag Verma, Himanshu Sharma, Sumel Ashique, Subhra Prakash Bhattacharyya, Shubneesh Kumar, Shubneesh Kumar, Neeraj Mishra, Ashish Garg
: Drug delivery in human subjects has been the most difficult task since the ancient time of the medical sector. An ideal drug delivery system is, one that minimizes the adverse effects and maximizes the desired effects of the drug candidate. Various drug delivery systems have been developed that may have some kind of advantages and disadvantages, among them targeted drug delivery system is more preferable and convenient which may employ various nanoparticles or other materials for the drug delivery at the specified site of action. In this, the authors elaborately and comprehensively explained the role of recent carbon nanotubes (CNTs) in targeted drug delivery systems (specifically for targeting cancerous cells). The authors also described the methods of preparation of CNTs, characterization techniques for CNTs, cellular penetration of, CNTs, and the associated toxicities with CNTs. Carbon nanotubes are preferable to other nanoparticles because they are more electrically, mechanically, and organically stable than others, they can carry more amount of drug in comparison to other nanoparticles and their functionalization property makes them more attractive as a carrier molecule for targeting any root cause of the disease.
自古代医疗部门以来,人类受试者的药物递送一直是最困难的任务。理想的给药系统是使候选药物的副作用最小化并使预期效果最大化的系统。各种给药系统已经被开发出来,它们可能有一些优点和缺点,其中靶向给药系统是更可取和方便的,它可以使用各种纳米颗粒或其他材料在指定的作用部位给药。在这篇文章中,作者详细而全面地解释了碳纳米管(CNTs)在靶向药物递送系统(特别是针对癌细胞)中的作用。作者还介绍了碳纳米管的制备方法、碳纳米管的表征技术、碳纳米管的细胞渗透以及碳纳米管的相关毒性。碳纳米管比其他纳米颗粒更可取,因为它们在电、机械和有机方面比其他纳米颗粒更稳定,与其他纳米颗粒相比,它们可以携带更多的药物,而且它们的功能化特性使它们作为靶向任何疾病根源的载体分子更具吸引力。
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引用次数: 0
Self-Assembled Nanoparticle-Forming Derivatives of Dextrin-Conjugated Polyethylenimine Containing Urethane Bonds for Enhanced Delivery of Interleukin-12 Plasmid 自组装纳米颗粒形成衍生物的糊精共轭聚亚胺含有氨基甲酸乙酯键增强传递白介素-12质粒
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-11-30 DOI: 10.2174/0115734137275215231113100147
Valiollah Keshavarz, Maryam Kazemi, Bahman Khalvati, Ali Dehshahri, Hossein Sadeghpour
Background and Objective: In the present investigation, low molecular weight polyethylenimine (LMW PEI, 1.8 kDa PEI) was conjugated to dextrin via urethane units and tested to transfer plasmid encoding interleukin-12 (IL-12) plasmid. Although high molecular weight PEI (HMW PEI, 25 kDa PEI) has shown substantial transfection efficiency, its wide application has been hampered due to considerable cytotoxicity. Therefore, LMW PEI with low toxic effects was used as the core of our gene transfer construct. Methods: LMW PEI was conjugated to dextrin via urethane units to improve its biophysical characteristics as well as cytotoxic effects. The conjugates were characterized in terms of buffering capacity, plasmid DNA condensation ability, particle size, and zeta potential as well as protection against enzymatic degradation. In Vitro experiments were carried out to evaluate the ability of these LMW PEI conjugates to transfer plasmid encoding human interleukin-12 (hIL- 12) to the cells. The MTT assay was performed to measure the cell-induced toxicity of the conjugates. Results: The results of our study demonstrated that the PEI derivatives with higher amounts of amine content (i.e. higher conjugation degrees) have considerable buffering capacity and plasmid condensation ability. These conjugates could condense plasmid DNA at Carrier to Plasmid ratios (C/P) ≥2 and form polyplexes at the size range of 120-165 nm while their zeta potential was around 5.5-8.5 mV. The results of transfection efficiency demonstrated that the level of IL- 12 production increased by 2-3 folds compared with unmodified LMW PEI while the level of cytotoxicity was not higher than 20%. Conclusion: The strategy used in this study shows a promising way to prepare gene carriers with high transfection efficiency and low toxicity.
背景与目的:本研究通过氨基甲酸乙酯单元将低分子量聚乙烯亚胺(LMW PEI, 1.8 kDa PEI)与糊精偶联,并测试其在编码白介素-12 (IL-12)质粒上的转移性。虽然高分子量PEI (HMW PEI, 25kda PEI)已显示出可观的转染效率,但由于其相当大的细胞毒性,阻碍了其广泛应用。因此,我们以具有低毒作用的LMW PEI作为基因转移构建的核心。方法:通过氨基甲酸乙酯单元将LMW PEI与糊精偶联,改善其生物物理特性和细胞毒作用。这些缀合物在缓冲能力、质粒DNA凝聚能力、颗粒大小和zeta电位以及抗酶降解方面进行了表征。体外实验评估了这些LMW PEI偶联物将编码人白细胞介素-12 (hIL- 12)的质粒转移到细胞的能力。采用MTT法测定该偶联物的细胞毒性。结果:我们的研究结果表明,胺含量较高(即共轭度较高)的PEI衍生物具有相当大的缓冲能力和质粒凝聚能力。这些偶联物能以载体与质粒的比值(C/P)≥2凝聚质粒DNA,并在120 ~ 165 nm范围内形成多聚体,zeta电位约为5.5 ~ 8.5 mV。转染效率的结果表明,与未修饰的LMW PEI相比,IL- 12的产量提高了2-3倍,而细胞毒性水平不高于20%。结论:该方法是制备高转染效率、低毒性基因载体的有效途径。
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引用次数: 0
Polymer Nanocomposites: A Review on Recent Advances in the Field of Green Polymer Nanocomposites 高分子纳米复合材料:绿色高分子纳米复合材料研究进展综述
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-11-28 DOI: 10.2174/0115734137274950231113050300
Anushree Saha
: In order to address environmental issues, polymer nanocomposites are becoming more and more popular because of their remarkable functionality. Their use in various fields is highlighted by their special physicochemical features (i.e., stability, high reactivity, robustness, regenerability, etc.), conductivity, electronic compatibility, quick interfacial contacts, simplicity of functionalization, simplicity of synthesis, interface-to-volume ratio, and low cost. Green polymer nanocomposites have drawn a lot of attention for use in a variety of applications to preserve the environment. Because they are made of eco-friendly materials, they are frequently utilised in the automobile, building, packaging, and medical industries. Eco-friendly solutions to the problems caused by plastic trash are biodegradable polymers produced from renewable sources (microbes, plants, and animals). Plant fibres and natural resins are combined to create green composite materials. These fibres and resins used in green composites can be broken down by bacteria. The mixing of natural fillers and organic polymers results in green polymer nanocomposites with distinct characteristics. This review is anticipated to be comprehensive, compelling, and practical for the scientists and business professionals who collaborate to address a variety of environmental problems on a global scale using green polymer nanocomposites.
为了解决环境问题,聚合物纳米复合材料因其卓越的功能而越来越受到人们的欢迎。其特殊的物理化学特性(即稳定性、高反应性、鲁棒性、可再生性等)、导电性、电子相容性、快速界面接触、简单的功能化、简单的合成、界面体积比和低成本突出了它们在各个领域的应用。绿色高分子纳米复合材料在保护环境方面的应用已经引起了人们的广泛关注。由于它们是由环保材料制成的,因此经常用于汽车、建筑、包装和医疗行业。塑料垃圾问题的环保解决方案是由可再生资源(微生物、植物和动物)生产的可生物降解聚合物。植物纤维和天然树脂相结合,创造出绿色复合材料。这些用于绿色复合材料的纤维和树脂可以被细菌分解。天然填料与有机聚合物的混合制备出具有独特特性的绿色高分子纳米复合材料。这篇综述预计将是全面的、引人注目的和实用的,为科学家和商业专业人士合作,在全球范围内使用绿色聚合物纳米复合材料来解决各种环境问题。
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引用次数: 0
Strategy for Targeting Medical Diagnosis of Cerebral Ischemia Regions by Linking Gsk-3β Antibody and RVG29 to Magnetosomes Gsk-3β抗体和RVG29与磁小体连接靶向脑缺血区的医学诊断策略
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-11-22 DOI: 10.2174/0115734137259242231109174821
Qing Wang, Xianyu Li
Background: In our previous studies, we have identified Gsk-3β as a crucial target molecule in response to Danhong injection for cerebral ischemia intervention. Furthermore, it can serve as a molecular imaging probe for medical diagnosis. Bacterial magnetic particles (BMPs), synthesized by magnetotactic bacteria, are regarded as excellent natural nanocarriers. Methods: In this study, we utilized biological modification and chemical crosslinking techniques to produce a multifunctional BMP known as "RVG29-BMP-FA-Gsk-3β-Ab", which exhibits both magnetic properties and brain-targeting capabilities. Then, a combination of analytical techniques was used to characterize the properties of the multifunctional BMPs. Finally, we evaluated the cell targeting ability of the RVG29-BMP-FA-Gsk-3β-Ab. Results: The multifunctional BMPs were observed to possess uniform size and shape using TEM analysis, with a particle size of 70.1±7.33 nm. Zeta potential analysis revealed that the nanoparticles exhibited a regular and non-aggregative distribution of particle sizes. Relative fluorescence intensity results demonstrated that the complex of 1mg of RVG29-BMP-FA-Gsk- 3β-Ab could bind to FITC-RVG29 polypeptide at a concentration of 2189.5 nM. Cell viability analysis indicated its high biocompatibility and minimal cytotoxicity. The RVG29-BMP-FAGsk- 3β-Ab was observed to possess active targeting towards neuronal cells and fluorescence imaging capabilities in vitro, as evidenced by fluorescence imaging assays. The complex of RVG29-BMP-FA-Gsk-3β-Ab exhibited favourable properties for early diagnosis and efficacy evaluation of traditional Chinese medicine in treating cerebral ischemia. Conclusion: This study establishes a fundamental basis for the prospective implementation of multimodal imaging in traditional Chinese medicine for cerebral ischemia.
背景:在我们之前的研究中,我们已经确定Gsk-3β是丹红注射液干预脑缺血的关键靶分子。此外,它还可以作为一种分子成像探针用于医学诊断。细菌磁性颗粒(BMPs)是由趋磁细菌合成的一种优良的天然纳米载体。方法:利用生物修饰和化学交联技术制备多功能BMP“RVG29-BMP-FA-Gsk-3β-Ab”,该蛋白具有磁性和脑靶向性。然后,结合分析技术来表征多功能bmp的性质。最后,我们评估了RVG29-BMP-FA-Gsk-3β-Ab的细胞靶向能力。结果:透射电镜观察到多功能bmp具有均匀的大小和形状,粒径为70.1±7.33 nm。Zeta电位分析表明,纳米颗粒的粒径呈规则的非聚集分布。相对荧光强度结果显示,1mg RVG29-BMP-FA-Gsk- 3β-Ab复合物能以2189.5 nM的浓度与FITC-RVG29多肽结合。细胞活力分析表明其生物相容性高,细胞毒性小。通过荧光成像实验,RVG29-BMP-FAGsk- 3β-Ab具有对神经细胞的活性靶向和体外荧光成像能力。RVG29-BMP-FA-Gsk-3β-Ab复合物在中药治疗脑缺血的早期诊断和疗效评价中具有良好的性能。结论:本研究为脑缺血中医多模态显像的前瞻性应用奠定了基础。
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引用次数: 0
Green Nanomaterials for Clean and Sustainable Environment 绿色纳米材料:清洁和可持续的环境
IF 1.5 4区 材料科学 Q2 Medicine Pub Date : 2023-11-11 DOI: 10.2174/157341371906230511103527
R. Chaudhary, Sami Mahmood, R. Jotania
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引用次数: 0
Polymersomes as Next Generation Nanocarriers for Drug Delivery: Recent Advances, Patents, Synthesis and Characterization 聚合体作为新一代药物递送纳米载体:最新进展、专利、合成和表征
4区 材料科学 Q2 Medicine Pub Date : 2023-11-07 DOI: 10.2174/0115734137271094231101062844
Surya Goel, Ruchi Singh, Megha Tonk
Background: Polymersomes (PS), self-assembled nanostructures formed by amphiphilic block copolymers, have garnered significant attention in recent years due to their unique properties and versatile applications in the fields of drug delivery and biomedicine. They are being prepared for a wide range of complex medicinal compounds, including nucleic acids, proteins, and enzymes. Polymersomes have lately been used as vehicles for delivering varied therapeutic substances and regulating ROS (reactive oxygen species). Due to their immunogenic features, polymersomes could play a critical role in enhancing subunit vaccine and drug delivery against COVID-19 infection. Objective: The prime purpose of this manuscript is to furnish an extensive overview of polymersomes, highlighting their recent advances, fabrication methods, characterization techniques, and pharmaceutical applications. Methods: The article has been amassed using several online and offline manuscripts from reputed journals, books, and other resources. Besides this, various user-friendly interfaces, like Pubmed, Google Scholar, etc, have been utilized to gather the latest data about polymersomes. This domain encompasses recent advancements in the realm of innovations about the delivery of drugs through polymeric vesicles. This field involves innovations or developments in nanocarrier systems as they are efficaciously employed to deliver the desired moiety to the targeted site. Results: PS have been discovered to exhibit remarkable promise in addressing various challenges associated with inadequate bioavailability, targeted drug delivery, dosing frequency, and diminished toxic effects. Over the past decade, such nanovesicles have been effectively employed as a complementary approach to address the issues arising from poorly soluble medications. However, this domain still requires further focus on novel breakthroughs. Conclusion: Polymersomes demonstrate unparalleled potential as innovative carriers, exhibiting remarkable versatility and exceptional biocompatibility. This concise review underscores their extraordinary prospects in diverse fields, accentuating their distinctive attributes and opening new avenues for groundbreaking applications.
聚合物体是由两亲性嵌段共聚物形成的自组装纳米结构,近年来由于其独特的性质和在药物传递和生物医学领域的广泛应用而引起了人们的广泛关注。它们被广泛用于制备复杂的药用化合物,包括核酸、蛋白质和酶。近年来,聚合体被用作递送各种治疗物质和调节活性氧(ROS)的载体。由于其免疫原性特征,聚合体可能在增强亚单位疫苗和抗COVID-19感染药物递送方面发挥关键作用。目的:这篇手稿的主要目的是提供一个广泛的概述聚合体,突出他们的最新进展,制造方法,表征技术,和制药应用。方法:本文已经收集了来自知名期刊、书籍和其他资源的在线和离线手稿。除此之外,各种用户友好的界面,如Pubmed, Google Scholar等,已经被用来收集关于聚合体的最新数据。这一领域包括通过聚合物囊泡给药的创新领域的最新进展。该领域涉及纳米载体系统的创新或发展,因为它们可以有效地将所需的部分递送到目标部位。结果:PS已被发现在解决与生物利用度不足、靶向给药、给药频率和毒性作用减少相关的各种挑战方面表现出显着的希望。在过去的十年中,这种纳米囊泡已被有效地用作解决难溶性药物引起的问题的补充方法。然而,这一领域仍需要进一步关注新的突破。结论:聚合体作为创新载体具有无可比拟的潜力,具有显著的多功能性和卓越的生物相容性。这篇简明的综述强调了它们在不同领域的非凡前景,强调了它们的独特属性,并为突破性的应用开辟了新的途径。
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引用次数: 0
Acknowledgements to Reviewers 审稿人致谢
4区 材料科学 Q2 Medicine Pub Date : 2023-11-01 DOI: 10.2174/157341371906230511122153
Yuri Agrawal, Teodoro S. Kaufman, Smrithi Padmakumar, Deepthy Menon, Carlos M.R. Sant'Anna, Gurudeeban Selvaraj Satyavani Kaliamurthi, Dong-Qing Wei, Darakhshan Jabeen Haleem, Hang Cao, Xuejun Li , Feiyifan Wang, Yueqi Zhang, Yi Xiong, Qi Yang
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引用次数: 0
Meet the Editorial Board Member 与编辑委员会成员见面
4区 材料科学 Q2 Medicine Pub Date : 2023-11-01 DOI: 10.2174/157341371906230511103259
Xiaosheng Fang
{"title":"Meet the Editorial Board Member","authors":"Xiaosheng Fang","doi":"10.2174/157341371906230511103259","DOIUrl":"https://doi.org/10.2174/157341371906230511103259","url":null,"abstract":"","PeriodicalId":10827,"journal":{"name":"Current Nanoscience","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136102770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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