Showing 2,341 - 2,360 results of 2,861 for search '"electron microscopy"', query time: 0.09s Refine Results
  1. 2341

    Development of vitex-derived polymer nanofibers using electrochemical sensors for the treatment of polycystic ovarian syndrome in rats as an animal model by Zaid H. Mahmoud, Uday Abdul-Reda Hussein, Najwa Aljbory, Mohammed Jawad Alnajar, Laleh Maleknia, Abolfazl Mirani, Ehsan kianfar

    Published 2025-03-01
    “…Materials and methods: Chasteberry-containing nanofibers were identified using Fourier-transform infrared spectroscopy (FTIR), Field Emission Scanning Electron Microscopy (FESEM), and thermal gravimetric analysis (TGA) tests, as well as drug release and antibacterial tests. …”
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  2. 2342

    Evaluation of porphyrin molecules as effective corrosion inhibitors for copper alloy in sulfuric acid using both experimental and computational approaches by Metwally Abdallah, Majda Alfakeer, Rasha N Felaly, Abdulaziz M. Almohyawi, Jabir H. Al-Fahemi, Salih S. Al-Juaid, Doaa F. Seyam, Elsayed M. Mabrouk, Kamal A. Soliman

    Published 2025-02-01
    “…Some chemical, electrochemical measurements, density functional theory and Monte Carlo simulations were utilized to study the adsorption behaviour and corrosion inhibition efficiency of m-TMPP and p-TMPP on the Cu (111) surface in acidic media. Scanning electron microscopy analysis was employed to examine the surface morphologies of the tested C12510 surfaces. …”
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  3. 2343

    Experimental study of polishing systems on surface roughness and color stability of novel bulk-fill composite resins by Seda Nur Karakaş, Sevde Gül Batmaz, Volkan Çiftçi, Cihan Küden

    Published 2025-01-01
    “…Surface roughness was measured using a profilometer following the polishing procedures, while surface morphology was assessed through atomic force microscopy and scanning electron microscopy. Subsequently, the samples were divided into two further subgroups for aging in distilled water and coffee (n = 5). …”
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  4. 2344

    Synthesis, Structure, and Electrical Property of Ce1−xSr1+xGa3O7−δ by Xiaohui Li, Jungu Xu, Junshu Xiaofeng, Xiaojun Kuang

    Published 2015-01-01
    “…Scanning electron microscope disclosed the nanoscale needle-like micromorphology of this material, with an average length of ~2.5 μm and a diameter of ~500 nm. Transmission electron microscopy and selected area electron diffraction reveal the single crystal nature of these individual Ce0.9Sr1.1Ga3O7−δ needles and build up a relationship between the preferred orientation observed in X-ray diffraction pattern and the micromorphology. …”
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  5. 2345
  6. 2346

    Doxycycline-integrated silk fibroin hydrogel: preparation, characterizations, and antimicrobial assessment for biomedical applications by Kranti Kiran Reddy Ealla, Chandra Sri Durga, Vikas Sahu, Neema Kumari, Jayachandran Venkatesan, Vishnu Priya Veeraraghavan, Pratibha Ramani, Kiran Kumar Bokara, Karthikeyan Ramalingam

    Published 2025-02-01
    “…Methods Silk fibroin (SF) - doxycycline hyclate (DH) hydrogel was developed and subsequently characterized for gelation kinetics, swelling, stress-strain analysis, morphology using scanning electron microscopy, interaction between SF and DH using Fourier transform infrared (FT-IR) spectroscopy, drug release profile, antibacterial efficacy, and biocompatibility studies. …”
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  7. 2347

    Synthesis of Mannich N-bases based on benzimidazole derivatives using SiO2OAlCl2 catalyst and their potential as antioxidant, antibacterial, and anticancer agents by Antonius Herry Cahyana, Ikrimah Desta, Laely Amaliyah, Aida Nadia, Hilna Diana Sahaya, Dicky Annas, Bayu Ardiansah, Mohammad Jihad Madiabu, Inda Mapiliandari, Kang Hyun Park

    Published 2025-01-01
    “…The results showed that the catalyst was successfully synthesized and characterized by The Fourier transform infrared (FTIR), X-ray diffraction (XRD), and Scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS). …”
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  8. 2348

    Green synthesis of biocompatible fluorescent carbon dots from bitter gourd for effective metal sensing and biological applications by V. Renuga, X. Vinoliya, A. Dinesh, S. Suthakaran, Manikandan Ayyar, V. Mohanavel, Lalitha Gnanasekaran, Prabhu Paramasivam, R. Bousbih, M. Khalid Hossain, A. Rajendran, S. Santhoshkumar

    Published 2025-02-01
    “…The optical properties, luminescence, phase formation and crystal structure were measured using UV–Visible spectroscopy (UV–Vis), Photoluminescence (PL), X-ray diffraction (XRD) and Transmission electron microscopy (TEM) by varying the medium from acidic to basic by changing its pH (2−12) and temperature range (180-300οC) to assess the exact nature and properties of the synthesized C-dots. …”
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  9. 2349

    Pore Structure, Fractal Features, and Oil Content Evaluation of Lacustrine Shale: A Case Study of First Member of Paleogene Shahejie Formation, NE China by Enze Wang, Gang Chen, Hanqi Li, Yanchen Song, Jianwei Wang, Zhuoya Wu, Yue Feng

    Published 2021-01-01
    “…To further expand our geological understanding of lacustrine shales and provide guidance for hydrocarbon exploration, in this study, based on programmed and improved Rock-Eval pyrolysis, total organic content (TOC) measurements, scanning electron microscopy (SEM) observations, and N2 adsorption (NA) experiments, a systematic evaluation of the mineral composition, geochemical features, pore structure, and oil contents of the third member of the Paleogene Shahejie Formation (Es3) shale in the typical lacustrine hydrocarbon enrichment sag (Nanpu Sag, Bohai Bay Basin) is conducted. …”
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  10. 2350

    Carrageenan bionanocomposite films incorporating Ag and Zn-Doped CeO₂ nanoparticles for active food packaging applications by Damar Rastri Adhika, Gita Genecya, Alvin Annayya Habibah, An Naas Amalia Rahardja Putri, Ubed Sonai Fahruddin Arrozi

    Published 2025-03-01
    “…Characterization techniques such as X-ray diffraction (XRD), transmission electron microscopy (TEM), and Zeta potential analysis confirmed the successful doping and stability of the nanoparticles. …”
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  11. 2351

    RETRACTED: Mycosynthesis of Hematite (α-Fe<sub>2</sub>O<sub>3</sub>) Nanoparticles Using <em>Aspergillus niger</em> and Their Antimicrobial and Photocatalytic Activities by Ebrahim Saied, Salem S. Salem, Abdulaziz A. Al-Askar, Fathy M. Elkady, Amr A. Arishi, Amr H. Hashem

    Published 2022-08-01
    “…The structural and optical properties of Hem-NPs were investigated using X-ray diffraction (XRD), transmission electron microscopy (TEM), dynamic light scattering (DLS), and UV-visible and Fourier-transform infrared (FTIR) spectroscopies. …”
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  12. 2352

    On the Stability of Graphene-Based Aqueous Dispersions and Their Performance in Cement Mortar by Teresa Gerace, Sebastiano Candamano, Simone Bartucci, Carlo Poselle Bonaventura, Alfonso Policicchio, Raffaele Giuseppe Agostino, Milena Marroccoli, Antonio Telesca, Mariano Davoli, Andrea Scarcello, Lorenzo S. Caputi, Daniela Pacilè

    Published 2025-01-01
    “…Field emission scanning electron microscopy (FESEM) was also employed to characterize the microstructure of pristine graphene-based nanomaterials and their inclusion within the cement matrix. …”
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  13. 2353

    Hydrogen production by methane decomposition over Ni-doped activated carbons: effect of the activation method by Mahmoudi, Marwa, Dufour, Anthony, Bettahar, Mohammed El-Miloud, Medjahdi, Ghouti, Ouederni, Abdelmottaleb, Gadiou, Roger

    Published 2022-09-01
    “…The catalysts were characterized before and after reaction by $\mathrm{N}_{2}$ adsorption, X-ray Diffraction (XRD) and Transmission Electron Microscopy (TEM). The catalysts showed good initial activities that increased with temperature and nickel load, reactivity decreased with time. …”
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  14. 2354

    Luminescence properties of ZnSe single crystals co-doped with Fe and Cr by K. Lamonova, A. Prokhorov, M. Schmidbauer, A. Kwasniewski, Yu Kazarinov, M. Konuhova, A. Platonenko, Z. Remeš, K. Ridzoňová, M. Buryi

    Published 2025-02-01
    “…Structural characterization by high-resolution X-ray diffraction (HR-XRD), electron paramagnetic resonance (EPR) and scanning electron microscopy (SEM) has revealed that the samples differ in terms of dopant concentration and intrinsic native defects. …”
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  15. 2355

    Polyurethane-Keratin Membranes: Structural Changes by Isocyanate and pH, and the Repercussion on Cr(VI) Removal by María D. Manrique-Juárez, Ana L. Martínez-Hernández, Oscar F. Olea-Mejía, Jaime Flores-Estrada, José L. Rivera-Armenta, Carlos Velasco-Santos

    Published 2013-01-01
    “…The effects of using diphenyl-methane-diisocyanate or toluene-diisocyanate and modifying the pH in keratin solutions were evaluated by scanning electron microscopy, Fourier transform infrared spectroscopy, and dynamical mechanical analysis. …”
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  16. 2356

    MIL-53(Al)-derived bimetallic Pd–Co catalysts for the selective hydrogenation of 1,3-butadiene at low temperature by Lili Liu, Miaoliang Zang, Lei Li, Yunkai Zhang, Leyuan Wang, Xiaojing Zhou, Chunling Xin, Xishi Tai

    Published 2025-01-01
    “…These catalysts were structurally characterised using powder X-ray diffraction, thermogravimetric analysis, N2 adsorption–desorption, X-ray photoelectron spectroscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, and inductively coupled plasma optical emission spectroscopy techniques. …”
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    Article
  17. 2357

    FeO–alumina catalyst for reforming waste polyethylene terephthalate (PET) pyrolyzed products: synthesis, characterization, and performance evaluation by Audu, Ephraim Akuaden, Ade-Ajayi, Adebola Femi, Osigbesan, Aisha Ayoola, Gano, Zaharaddeen Sani, Barminas, Jeffrey Tsware

    Published 2024-11-01
    “…The pyrolysis process was carried out at 500 °C while vapor reforming was carried out using 0.5 g of catalyst loading in a fixed bed reactor at 450 °C for 90 min. Scanning electron microscopy analysis of catalysts revealed particle sizes of 1.42–7.63, 1.37–10.75, and 2.66–6.34 μm for alumina, 3% FeO/Al, and 5% FeO/Al, respectively. …”
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  18. 2358

    Microstructure and tribological properties of WC-12Ni/Cu composite coating prepared by laser cladding on 45 steel surface by Fulong Zhang, Junquan Zhang, Lu Ping, Zhang Wentao, Shuangyu Liu, Huang Chuanjin, Zhang Qiushi, Bo Cui, Wang Binhua

    Published 2025-01-01
    “…The microstructure of the cladding layers was analyzed by optical microscopy (OM), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDS). …”
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  19. 2359

    Exploring the impact of seashell powder and nano-silica on ultra-high-performance self-curing concrete: Insights into mechanical strength, durability, and high-temperature resilien... by Sun Yitong, Alqurashi Muwaffaq, Mostafa Sahar A.

    Published 2024-12-01
    “…In addition, examining UHPC samples at high temperatures (350 and 700°C) and applying scanning electron microscopy. The improved mechanical strength and toughness achieved using seashells and nano-silica demonstrated the potential of these additives to create UHPC that is more sustainable and environmentally friendly. …”
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  20. 2360

    Effect of the adhesive added of copper applied with electric current on the ceramic/resin cement bond by Gabriel Augusto Silveira Sousa, Marcos Henrique Ramos da Silva, Lourenço Correr-Sobrinho, Rafael Pino Vitti, Evandro Piva, Rafael Leonardo Xediek Consani

    Published 2024-07-01
    “…Ceramic/resin cement sets were characterized using microshear (Instron), contact angle (Goniometer), and scanning electron microscopy. The failure pattern was evaluated under optical microscopy at 50× and classified as adhesive, cohesive, or mixed. …”
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    Article