Showing 2,541 - 2,560 results of 2,861 for search '"electron microscopy"', query time: 0.10s Refine Results
  1. 2541

    Strengthening effect of particle gradation on the mechanical properties of sand powder 3D printed rock analog by Zhe Zhang, Lishuai Jiang, Atsushi Sainoki, Xiaohan Peng, Chunang Li, Qingjia Niu, Xinzhe Wang, Mingwei Gang

    Published 2025-03-01
    “…The effects of various particle sizes and gradations on the mechanical properties of these specimens were investigated through a series of mechanical tests, acoustic emission analysis, and scanning electron microscopy. The results indicate that: (1) the mechanical properties of SP-3DP specimens are significantly enhanced by optimal particle gradation; (2) the reinforcement mechanism of particle gradation for the mechanical properties of SP-3DP specimens is elucidated; and (3) the effectiveness and applicability of the optimized specimens are verified. …”
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  2. 2542

    Efficient organic pollutant mineralization via PMS-sonophotocatalysis with doped-ZnO-CNT aerogels by Queralt Bautista, Majdi Benamara, Shanyu Zhao, Elvira Gómez, Albert Serrà

    Published 2025-02-01
    “…Differences in particle aggregation and dispersion were observed in the scanning electron microscopy (SEM) images. X-ray diffraction (XRD) revealed that the hexagonal wurtzite structure of ZnO remained throughout all the samples, and Brunauer–Emmett–Teller (BET) analysis showed that their mesoporous nature and surface areas were enlarged. …”
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  3. 2543

    Impacts of Thermal Activation on Physical Properties of Coal Gangue: Integration of Microstructural and Leaching Data by Wangtao Fan, Yuan Chen, Runxia Zhang, Xiaoguang Chen, Jin Li, Zhaolin Gu, Jianyun Wang

    Published 2025-01-01
    “…The mineral composition, micro-pore structure and element leaching were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Thermogravimetry Analysis (TG), Low-Temperature Nitrogen Adsorption (LTNA) and Inductively Coupled Plasma (ICP). …”
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  4. 2544

    Mechanism of Swimming Exercise Intervention on Rats with Vascular Dementia Based on PERK/ATF4/CHOP Pathway by LIU Fang, LI Mengxing, WANG Yu, TANG Wei

    Published 2023-08-01
    “…After four weeks of intervention, Morris water maze experiment was used to observe behavioral changes of rats; transmission electron microscopy was used to observe the ultrastructure of neurons in the hippocampal CA1 region of rats; real-time fluorescent quantitative PCR (RT-qPCR) and Western blot were used to detect the relative expression levels of protein kinase R-like endoplasmic reticulum kinase (PERK), activating transcription factor 4 (ATF4), and C/EBP homologous protein (CHOP) mRNA and protein.Results(1) Behavioral changes: compared with the sham operation group, the average escape latency in the model group was significantly prolonged, and the number of platform crossing significantly reduced, and the differences were statistically significant (<italic>P</italic>&lt;0.05). …”
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  5. 2545

    Exploring the effects of cannabidiol encapsulation in liposomes on their physicochemical properties and biocompatibility by Inga Jurgelane, Karina Egle, Andra Grava, Dana Galkina, Margarita Brante, Maksims Melnichuks, Marite Skrinda-Melne, Girts Salms, Arita Dubnika

    Published 2025-12-01
    “…Liposomes were synthesized using thin-film hydration method, and characterized by Fourier-transform infrared (FT-IR) spectroscopy, dynamic light scattering (DLS), and scanning transmission electron microscopy (STEM). DLS analysis revealed that CBD incorporation reduced liposome size by 23–53%, depending on the liposomes. …”
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  6. 2546

    Roles of the <i>Sec2p</i> Gene in the Growth and Pathogenicity Regulation of <i>Aspergillus fumigatus</i> by Yuhuan Liu, Shumi Shang, Cong Liu, Yichen Liu, Keyang Xu, Dan He, Li Wang

    Published 2025-01-01
    “…However, the mechanism by which this gene affects <i>A. fumigatus</i> growth and pathogenicity remains unclear. Transmission electron microscopy revealed that the vacuoles of the gene knockout strain <i>ΔSec2p</i> accumulated more autophagosomes, indicating inhibition of autophagosome degradation. …”
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  7. 2547

    Impact of sintering temperature on the structural, morphological, and dielectric properties of (1-x)LaFeO3–xBaTiO3 (x = 0.49) by Amina Maou, Najwa Gouitaa, Fatima Zahra Ahjyaje, Taj Dine Lamcharfi, Farid Abdi, Noureddine Idrissi Kandri

    Published 2025-01-01
    “…This analysis underscores the pivotal role of thermal conditions in enhancing the material's phase stability, microstructural properties, and electrical performance, particularly in relation to its dielectric and ferroelectric behavior. Scanning electron microscopy (SEM) coupled with energy-dispersive X-ray spectroscopy (EDX) showed that particle size increased from 3.04 μm to 12.16 μm with sintering temperature. …”
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  8. 2548

    Ammonia Gas Adsorption in Fixed Bed and Fluidized Bed Using Bentonite Particles by Gabriela Muntianu, Ana-Maria Georgescu, Ana-Maria Rosu, Nicoleta Platon, Vasilica Alisa Arus, Cosmin Valeriu Jinescu, Ileana Denisa Nistor

    Published 2025-01-01
    “…Adsorbents used were characterized by the following analysis: granulometric distribution, acid–base character determination by Thermal Programmed Desorption (TPD), elemental microanalysis by Energy Dispersive X-Ray coupled with scanning electron microscopy (EDX-SEM), X-Ray diffractograms, adsorption–desorption isotherms by Brunauer–Emmett–Teller method and distribution of pore sizes and pore volume calculation by Barrett–Joyner–Halenda method. …”
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  9. 2549

    Corrosion studies of Inconel 617 in high temperature air and He-ppmO2 atmospheres by Haoxiang Li, Wei Zheng, Bin Du, Huang Zhang, Huaqiang Yin, Xuedong He, Tao Ma, Xingtuan Yang

    Published 2025-01-01
    “…After the experiments, the alloys were characterized by electronic balance, were analyzed by Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDS), X-ray diffraction (XRD) and carbon and sulfur analyzer. …”
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  10. 2550

    Luminescence Nanothermometry Based on Pr3+ : LaF3 Single Core and Pr3+ : LaF3/LaF3 Core/Shell Nanoparticles by M. S. Pudovkin, D. A. Koryakovtseva, E. V. Lukinova, S. L. Korableva, R. Sh. Khusnutdinova, A. G. Kiiamov, A. S. Nizamutdinov, V. V. Semashko

    Published 2019-01-01
    “…The nanoparticles (NPs) were characterized by means of transmission electron microscopy, X-ray diffraction, and optical spectroscopy. …”
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  11. 2551

    Phytoreduced gold nanoparticles from vitalmelon promote white adipocyte browning in murine cells by targeting phospholipase D2 by Sun Young Park, He mi Kang, Kangmin Park, Lu Guo, Jin-Woo Oh, Geuntae Park, Nam Jun Kang, Young-Whan Choi

    Published 2025-02-01
    “…The synthesized VW-GNPs were characterized by UV–Vis spectroscopy, dynamic light scattering, Fourier-transform infrared spectroscopy, high-resolution transmission electron microscopy, and energy-dispersive X-ray spectroscopy. …”
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  12. 2552

    Investigating the ROS Formation and Particle Behavior of Food-Grade Titanium Dioxide (E171) in the TIM-1 Dynamic Gastrointestinal Digestion Model by Nicolaj S. Bischoff, Anna K. Undas, Greet van Bemmel, Jacco J. Briedé, Simone G. van Breda, Jessica Verhoeven, Sanne Verbruggen, Koen Venema, Dick T. H. M. Sijm, Theo M. de Kok

    Published 2024-12-01
    “…E171 was characterized using multiple techniques, including electron spin resonance spectroscopy, single-particle inductively coupled plasma–mass spectrometry, transmission electron microscopy, and dynamic light scattering. In an aqueous dispersion (E171-aq), E171 displayed a median particle size of 79 nm, with 73–75% of particles in the nano-size range (<100 nm), and significantly increased ROS production at concentrations of 0.22 and 20 mg/mL. …”
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  13. 2553

    Coloration and functionalization of organic cotton fabric using Chinese fringe leaf extraction: A greener approach by Md Shazzat Hossain, Mohammad Ullah, Rony Mia, Mohammed A. Assiri, Yahui Zhou, Haroon A.M. Saeed, Sakil Mahmud

    Published 2025-03-01
    “…Comprehensive characterization techniques, such as optical microscopy, scanning electron microscopy (SEM), elemental mapping, and FTIR, validated the successful dyeing process which ensure the bonding between natural dyes and fabrics in the presence of mordant. …”
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  14. 2554

    Evaluating the Toxicity and Histological Effects of Al2O3 Nanoparticles on Bone Tissue in Animal Model: A Case-Control Study by Hossein Soltaninejad, Hadi Zare-Zardini, Amir Ali Hamidieh, Mohammad Reza Sobhan, Seyed Houssein Saeed-Banadaky, Mohammad Amir Amirkhani, Behnaz Tolueinia, Mohsen Mehregan, Mahnaz Mirakhor, Farzaneh sadat Eshaghi

    Published 2020-01-01
    “…Characterization was done by X-ray diffraction (XRD) and transmission electron microscopy (TEM). Sixty-four male adult Wistar rats were divided into eight groups including six groups intravenously treated with Al2O3 nanoparticle at concentrations of 25, 50, 100, 250, 500, and 1000 µg/ml: one group received food and water as the control group, and one group received food and water as well as intravenously distilled water as an injection control group. …”
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  15. 2555

    Zwitterion Effect of Cow Brain Protein towards Efficiency Improvement of Dye-Sensitized Solar Cell (DSSC) by Denny Widhiyanuriyawan, Prihanto Trihutomo, Sudjito Soeparman, Lilis Yuliati

    Published 2020-01-01
    “…Tests carried out on DSSC that have been performed were X-Ray Diffractometer (XRD) testing to determine the crystal structure formed, Fourier Transform Infrared Spectroscopy (FTIR) testing to determine the functional groups formed on DSSC, Scanning Electron Microscopy (SEM) testing to determine the surface morphological characteristics of the DSSC layer, and testing the efficiency using AM 1.5 G solar simulator (1000 W/m2) to determine the efficiency changes that occur in DSSC. …”
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  16. 2556
  17. 2557

    EV‐Elute: A universal platform for the enrichment of functional surface marker‐defined extracellular vesicle subpopulations by Willemijn S. deVoogt, Rowan Frunt, Raul M. Leandro, Casper S. Triesscheijn, Bella Monica, Ioanna Paspali, Mark Tielemans, Jerney J. J. M. François, Cor W. Seinen, Olivier G. deJong, Sander A. A. Kooijmans

    Published 2024-12-01
    “…EV subpopulations showed intact integrity by electron microscopy and Proteinase K protection assays and showed uptake patterns similar to whole EV isolates in co‐cultures of peripheral blood mononuclear cells (PBMCs) and endothelial cells. …”
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  18. 2558

    Comparison of mechanical properties and shaping performance of ProGlider and ProTaper ultimate slider by Jeyi Song, Ji-Hyun Jang, Seok Woo Chang, Shin Hye Chung, Soram Oh

    Published 2025-01-01
    “…Methods Scanning electron microscopy, micro-computed tomography, and differential scanning calorimetry were used to characterize the samples. …”
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  19. 2559

    Diversity and succession of microbial communities on typical microplastics in Xincun Bay, a long-term mariculture tropical lagoon by Shi Yunfeng, Wang Shuai, Wang Hui, Li Zhaoyang, Cai Jiali, Han Qiuying, Zhao Muqiu

    Published 2022-03-01
    “…High-throughput sequencing and scanning electron microscopy (SEM) were used to investigate the succession of microbial community structure and function on MPs after 10, 30, and 60 days of exposure, respectively. …”
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  20. 2560