Showing 581 - 600 results of 755 for search '"transmission electron microscopy"', query time: 0.06s Refine Results
  1. 581

    Interface effects in the phase determination of Hf0.5Zr0.5O2 epitaxial thin films by Jesse Schimpf, Wang Zhang, Mahir Manna, Sandhya Susarla, Xue-Zeng Lu, James M. Rondinelli, Lane W. Martin

    Published 2025-01-01
    “…X-ray diffraction and scanning transmission electron microscopy verify the phases present, and capacitor-based studies reveal ferroelectric behavior (or lack thereof) consistent with the phases observed. …”
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  2. 582

    Electrochemical determination of mercury in surface water samples using Au nanoparticles /electrochemically reduced graphene oxide modified electrode by Ha Thuy Trang, Ho Xuan Anh Vu, Pham Khac Lieu, Tran Ngoc Tuyen, Huynh Van Chung, Ho Van Thanh, Hoang Ho Thuy Duong, Nguyen Hai Phong, Nguyen Dinh Luyen, Dinh Quang Khieu

    Published 2025-01-01
    “…The modified electrode surface and the obtained materials were characterized by using a range of analytical techniques, including x-ray diffraction, Fourier Infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, energy-dispersive x-ray spectroscopy, elemental distribution maps, and electrochemical impedance spectroscopy. …”
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  3. 583

    Extracellular vesicles in sputum of children with cystic fibrosis pulmonary exacerbations by Elad Ben-Meir, Lina Antounians, Shafinaz Eisha, Felix Ratjen, Augusto Zani, Hartmut Grasemann

    Published 2024-12-01
    “…Methods EVs were isolated from stored sputum samples collected before and after antibiotic therapy for PEx between 2011 and 2013, and characterised by nanoparticle tracking analysis (NTA) and transmission electron microscopy (TEM). Western blot analysis of EV protein extracts was used for EV canonical protein markers CD63, CD9 and flotillin-1 (FLOT1), as well as neutrophil elastase (NE), myeloperoxidase (MPO) and interleukin-8. …”
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  4. 584

    Exploring Adsorption Performance of Functionalized Mesoporous Silicas with a Different Pore Structure as Strong Cation-Exchange Sorbents for Solid-Phase Extraction of Atropine and... by Fernando L. Vera-Baquero, Sonia Morante-Zarcero, Damián Pérez-Quintanilla, Isabel Sierra

    Published 2025-01-01
    “…The synthesized materials were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, nitrogen adsorption–desorption, Fourier-transform infrared spectroscopy, <sup>29</sup>Si solid-state nuclear magnetic resonance spectroscopy, and elemental analysis. …”
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  5. 585

    Ion irradiation introduced high-density core-shell structured nanoprecipitates in FeCrNi by Yizhou Qian, Xiaolei Ma, Kangkang Wen, Siyu Chen, Yiheng Chen, Yugang Wang, Tongde Shen, Gang Sha, Chenxu Wang

    Published 2025-03-01
    “…We have successfully prepared NPs in FeCrNi with an average diameter of ∼15.2 nm and a number density of ∼2.03 × 1022 m−3 by employing ion irradiation. Transmission Electron Microscopy (TEM) and Atom Probe Tomography (APT) results show the unique core-shell structure of these NPs, consisting of Cr-rich M23C6 carbides cores and Ni-rich shells. …”
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  6. 586

    Development and Optimization of Nano-Hydroxyapatite Encapsulating Tocotrienol-Rich Fraction Formulation Using Response Surface Methodology by Anis Syauqina Mohd Zaffarin, Shiow-Fern Ng, Min Hwei Ng, Haniza Hassan, Ekram Alias

    Published 2024-12-01
    “…The optimized nHA/TRF formulation is freeze-dried and results in an average particle size of ~270 nm, a negative zeta potential value of ~−20 mV, a polydispersity index of <0.4, and an encapsulation efficiency of ~18.1%. Transmission electron microscopy (TEM) shows that the freeze-dried nHA/TRF has a spherical structure. …”
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  7. 587

    Xiao-Xu-Ming Decoction Reduced Mitophagy Activation and Improved Mitochondrial Function in Cerebral Ischemia and Reperfusion Injury by Rui Lan, Yong Zhang, Tao Wu, Yun-Zhi Ma, Bao-Qi Wang, Hai-Zhong Zheng, Ya-Na Li, Yan Wang, Chun-Qing Gu, Ji-Tao Wu

    Published 2018-01-01
    “…Ultrastructural features of mitochondria and mitophagy in the penumbra of the ischemic cortex were observed by transmission electron microscopy. Mitophagy was detected by immunofluorescence labeled with LC3B and VDAC1. …”
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  8. 588

    Greener and rapid magnetic solid phase microextraction method using Fe3O4@Al2O3/AC for chromatographic determination of neonicotinoid pesticides in vegetable oils by Musiiwa V. Sengane, Masixole Sihlahla, Philiswa N. Nomngongo, Nomvano Mketo

    Published 2025-02-01
    “…Different characterisation techniques such as Fourier Transform Infrared Spectroscopy (FTIR), Powder X-ray diffraction analysis (PXRD), Thermogravimetric Analysis (TGA), Transmission electron microscopy (TEM), and scanning electron microscope and energy-dispersive X-ray spectroscopy (SEM-EDS) confirmed the synthesised magnetic nano adsorbents (Fe3O4, Fe3O4@Al2O3 and Fe3O4@Al2O3/AC). …”
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  9. 589

    Enhanced Magnetic Properties of Co<sub>1−<i>x</i></sub>Mn<i><sub>x</sub></i>Fe<sub>2</sub>O<sub>4</sub> Nanoparticles by Adam Szatmari, Rareș Bortnic, Roman Atanasov, Lucian Barbu-Tudoran, Fran Nekvapil, Roxana Dudric, Romulus Tetean

    Published 2024-12-01
    “…The prepared samples were studied using X-ray diffraction measurements (XRD), transmission electron microscopy (TEM), Raman spectroscopy, and magnetic measurements. …”
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  10. 590

    Chemical Vapour Deposition of MWCNT on Silica Coated Fe3O4 and Use of Response Surface Methodology for Optimizing the Extraction of Organophosphorus Pesticides from Water by Veronica W. O. Wanjeri, Sefater Gbashi, Jane C. Ngila, Patrick Njobeh, Messai A. Mamo, Patrick G. Ndungu

    Published 2019-01-01
    “…The chemical and physical characteristics of the materials were investigated by transmission electron microscopy (TEM), Raman spectroscopy (RS), scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), X-ray diffraction (XRD), and nitrogen adsorption/desorption isotherm. …”
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  11. 591

    Mechanism of mTOR/RILP-regulated autophagic flux in increased susceptibility to myocardial ischemia-reperfusion in diabetic mice by Jiyao Zhao, Wei Shi, Yan Zheng, Junjie Wang, Muzhao Yuan, Yultuz Anwar, Yuxuan He, Haiping Ma, Jianjiang Wu

    Published 2025-01-01
    “…HE staining revealed that myocardial injury was exacerbated in diabetic mice subjected to I/RI. Transmission electron microscopy revealed that the accumulation of autophagic vesicles in cardiomyocytes of diabetic mice resulted in impaired autophagic flux. qRT-PCR revealed that the expression of RILP was significantly reduced in diabetic mice subjected to I/RI. …”
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  12. 592

    Anticancer Potential of Green Synthesized Silver Nanoparticles Using Extract of Nepeta deflersiana against Human Cervical Cancer Cells (HeLA) by Ebtesam S. Al-Sheddi, Nida N. Farshori, Mai M. Al-Oqail, Shaza M. Al-Massarani, Quaiser Saquib, Rizwan Wahab, Javed Musarrat, Abdulaziz A. Al-Khedhairy, Maqsood A. Siddiqui

    Published 2018-01-01
    “…The prepared AgNPs (ND-AgNPs) were examined by ultraviolet-visible spectroscopy, Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscope (SEM), and energy dispersive spectroscopy (EDX). …”
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  13. 593

    Differential GTP-dependent in-vitro polymerization of recombinant Physcomitrella FtsZ proteins by Stella W. L. Milferstaedt, Marie Joest, Lennard L. Bohlender, Sebastian N. W. Hoernstein, Buğra Özdemir, Eva L. Decker, Chris van der Does, Ralf Reski

    Published 2025-01-01
    “…Under the same conditions used for GTPase and light scattering assays both FtsZ isoforms formed filaments in a GTP-dependent manner as visualized by transmission electron microscopy (TEM). Taken together, our results reveal that Physcomitrella FtsZ1-2 and FtsZ2-1 are functionally different, can synergistically interact in vivo and in vitro, and differ in their properties from FtsZ proteins from bacteria, archaea and vascular plants.…”
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  14. 594

    Aqueous Synthesis of Sub-11 nm Fe-Cu Oxides and Alloy Nanostructures: Structural and Morphological studies by Raquel Zuñiga-Lechuga, Alfredo Vilchis-Nestor, Raúl Morales-Luckie, Victor Sanchez-Mendieta

    Published 2023-10-01
    “…FeCuNS were characterized by Scanning Electron Microscopy (SEM), X-Ray Photoelectron Spectroscopy (XPS), X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), and High-Resolution TEM (HRTEM), and their textural properties were determined using nitrogen physisorption. …”
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    Article
  15. 595

    Pulse current assisted regulation for creep aging behavior of 1420 alloy under different current density by Yuan Liu, Minghao Li, Guoqing Chen, Yufei Zu, Wenlong Zhou, Xuesong Fu

    Published 2025-03-01
    “…Furthermore, dislocation density, assessed using the Williamson–Hall method, and dimensions of the δ′ phase (Al3Li), determined by Nano Measurer 1.2 software from transmission electron microscopy images, are found higher in ECA samples at the same temperature, contributing to enhanced yield strength. …”
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  16. 596

    Enteric-Coated Aspirin Induces Small Intestinal Injury via the Nrf2/Gpx4 Pathway: A Promising Model for Chronic Enteropathy by Zhang M, Xia S, Feng L, Han X, Zhang Y, Huang Y, Liu Y, Zhao K, Guan J, Tian D, Liao J, Yu Y

    Published 2025-02-01
    “…The mitochondrial morphology and paracellular space were observed under transmission electron microscopy. The fecal samples were analyzed by high-throughput sequencing of 16S rRNA V3-V4 amplicons.Results: Aspirin induced weight loss, reduced food intake and increased faecal occult blood in mice. …”
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  17. 597

    A Study and Comparison of the Preparation of Gadolinium Aluminate Nanoparticles Using γ-Irradiated and Unirradiated Precursors by Tehani I. Al-Muhimeed, Abdullah A. Al-Kahtani, Refaat M. Mahfouz, Mujeeb Khan, M. Rafiq H. Siddiqui

    Published 2018-01-01
    “…The results indicate towards the formation of an orthorhombic perovskite structure of GdAO3 in the Pbnm space group. Transmission electron microscopy (TEM) has been employed for the particle-size analysis, which revealed the formation of spherical-shaped nanoparticles with the size range of 50–70 nm. …”
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  18. 598

    Optimization of microstructure for HRE-free Nd-Fe-B magnets with improved properties by Yuxin Zhao, Rui Han, Meng Zheng, Xun Duan, Xiaoning Shi, Xianjun Hu, Hongsheng Chen, Dong Zhou, Shengzhi Dong, Wei Li

    Published 2025-03-01
    “…Electron backscatter diffraction and X-ray diffraction analyses revealed that the fine-crystalline magnets displayed an improved crystallographic orientation, which correlates with the enhanced mobility of the magnetic powders. Transmission electron microscopy results indicated that the GBs in fine-crystalline magnets were thicker, with greater uniformity and continuity at triple junction points. …”
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  19. 599

    Gnidia glauca- and Plumbago zeylanica-Mediated Synthesis of Novel Copper Nanoparticles as Promising Antidiabetic Agents by Dhiraj A. Jamdade, Dishantsingh Rajpali, Komal A. Joshi, Rohini Kitture, Anuja S. Kulkarni, Vaishali S. Shinde, Jayesh Bellare, Kaushik R. Babiya, Sougata Ghosh

    Published 2019-01-01
    “…Aqueous extracts of flower, leaf, and stem of G. glauca and leaves of P. zeylanica were prepared which could effectively reduce Cu2+ ions to CuNPs within 5 h at 100°C which were further characterized using UV-visible spectroscopy, field emission scanning electron microscopy, high-resolution transmission electron microscopy, energy dispersive spectroscopy, dynamic light scattering, X-ray diffraction, and Fourier-transform infrared spectroscopy. …”
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  20. 600

    Ultrahigh piezoelectric performances of (K,Na)NbO3 based ceramics enabled by structural flexibility and grain orientation by Li-Feng Zhu, Dong Liu, Xiaoming Shi, Shiqing Deng, Jiecheng Liu, Li-Yu Wei, Zi-Qi Yang, Qi Wang, Bo-Ping Zhang, Houbing Huang, Shujun Zhang, Jing-Feng Li

    Published 2025-01-01
    “…Phenomenological models, phase field simulations and high-angle annular dark-field scanning transmission electron microscopy reveal that the structural flexibility originates from the high Coulomb force between K+/Na+ ions and Sb ions in the KNN-xSb system, while the grain orientation promotes the displacement of B-site cations leveraging the engineered domain configuration. …”
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