Showing 361 - 380 results of 755 for search '"transmission electron microscopy"', query time: 0.05s Refine Results
  1. 361

    Layer-by-Layer CdS-Modified TiO2 Film Electrodes for Enhancing the Absorption and Energy Conversion Efficiency of Solar Cells by Ming Li, Yong Liu, Hai Wang, Wenxia Zhao, Hong Huang, Chaolun Liang, Youjun Deng, Hui Shen

    Published 2012-01-01
    “…Scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and transmission electron microscopy (TEM) have been utilized to characterize the samples. …”
    Get full text
    Article
  2. 362

    NMR probing of copper–amyloid β1–16 interactions and self-assembly by Punnepalli Sunanda, Srinivasarao Raghothama, Uma Maheswari Devi Palempalli, Bankala Krishnarjuna

    Published 2024-12-01
    “…In this study, we investigated copper ion–Aβ1–16 interactions using nuclear magnetic resonance (NMR) spectroscopy, circular dichroism, and transmission electron microscopy. Additionally, we examined the role of copper oxidation states in generating reactive oxygen species (ROS) using a 2′-7′ dichlorofluorescein diacetate (DCFDA) assay. 13C NMR data showed site-specific interactions between copper ions and Aβ1–16, with some differences observed in H2O compared to 2H2O. …”
    Get full text
    Article
  3. 363

    Investigating the antimicrobial activity of silver nanoparticles with varying charges green-synthesized from Tabebuia rosea flower by Trung Dien Nguyen, Thao Phuc-Nguyen Nguyen, Nhung Thi-Tuyet Thai, Yen Hai Hoang, Gia Thi-Ngoc Trinh

    Published 2024-12-01
    “…These biosynthesized nanoparticles, presenting negative, neutral, and positive charges, were thoroughly analyzed by means of a number of techniques including Ultraviolet-visible spectroscopy, X-ray diffraction, transmission electron microscopy, and Fourier-transform infrared spectroscopy. …”
    Get full text
    Article
  4. 364

    Defect-assisted reversible phase transition in mono- and few-layer ReS2 by George Zograf, Andrew B. Yankovich, Betül Küçüköz, Abhay V. Agrawal, Alexander Yu. Polyakov, Joachim Ciers, Fredrik Eriksson, Åsa Haglund, Paul Erhart, Tomasz J. Antosiewicz, Eva Olsson, Timur O. Shegai

    Published 2025-01-01
    “…Our observations, based on transmission electron microscopy, nonlinear spectroscopy, and density functional theory, reveal a transition from the ground $${\rm{T}}^{\prime\prime}$$ T ″ (double-distorted T) to the metastable $${\rm{H}}^{\prime}$$ H ′ (distorted H) phase under femtosecond laser irradiation or influence of highly-energetic electrons. …”
    Get full text
    Article
  5. 365

    Evaluation of Mechanochemically Prepared CePO<sub>4</sub>∙H<sub>2</sub>O Nanoparticles as UV Filter for Photoprotective Formulations by Stanislav Kurajica, Filip Brleković, Sabina Keser, Goran Dražić, Katarina Mužina, Vanesa Mihajlović

    Published 2025-01-01
    “…The size of the obtained nanoparticles, as determined from high-resolution transmission electron microscopy images, was around 5 nm. According to UV-Vis diffuse reflectance spectroscopy results, rhabdophane nanoparticles show transparency to visible light and high absorption in the UV region, with a direct bandgap of 3.1 eV. …”
    Get full text
    Article
  6. 366

    Investigating the Effect of Temperature and Time of the Process of Producing Graphene Quantum Dots by Carbonization on Structural, Microstructural, and Optical Properties by M. Nazari, H. R. Baharvandi, N. Ehsani

    Published 2024-12-01
    “…Also, the morphology of the surface and the distance between the planes were investigated by high resolution transmission electron microscopy. The results showed that the best sample in terms of distribution and particle size was production at 220°C for 60 s with 3 nm in particle size for over 45% of the particles. …”
    Get full text
    Article
  7. 367

    Manipulation of MWCNT Concentration in MWCNT/TiO2 Nanocomposite Thin Films for Dye-Sensitized Solar Cell by Huda Abdullah, Mohd Zikri Razali, Sahbudin Shaari, Mohd Raihan Taha

    Published 2014-01-01
    “…High resolution transmission electron microscopy (HR-TEM) analysis showned the inner structural design of the MWCNT/TiO2 particles. …”
    Get full text
    Article
  8. 368

    LED Light-Activated Hypocrellin B Induces Mitochondrial Damage of Ovarian Cancer Cells by Yuan Jiang, Albert Wingnang Leung, Junyan Xiang, Chuanshan Xu

    Published 2012-01-01
    “…Mitochondrial morphology was observed using transmission electron microscopy (TEM). Mitochondrial membrane potential was measured using flow cytometry with JC-1 staining. …”
    Get full text
    Article
  9. 369

    Study on the Photodegradation Stability of Poly(butylene Succinate-co-butylene Adipate)/TiO2 Nanocomposites by Lihai Cai, Zhiguo Qi, Jun Xu, Baohua Guo, Zhongyao Huang

    Published 2019-01-01
    “…The effect of TiO2 nanoparticles on the photodegradation behaviors of the nanocomposite was investigated by transmission electron microscopy (TEM), differential scanning calorimetry (DSC), Fourier-transform infrared spectroscopy (FT-IR), field-emission scanning electron microscopy (FE-SEM), rheological measurements, and mechanical tests. …”
    Get full text
    Article
  10. 370

    Employing algal extract for the fabrication of bimetallic nanoparticles: A powerful solution against tomato pathogenic fungi by Reham M. Aldahasi, Kawther Aabed, Sahar S. Alghamdi, Afrah E. Mohammed

    Published 2025-01-01
    “…The nanoparticles were thoroughly characterized using advanced techniques, including UV–visible spectrophotometry, Fourier transform infrared spectroscopy (FTIR), dynamic light scattering, scanning electron microscopy, transmission electron microscopy, and energy-dispersive x-ray spectroscopy. …”
    Get full text
    Article
  11. 371

    Trimetallic ferrite functionalized by guaninium tartrate ionic liquid (Co0.2Zn0.6Cu0.2Fe2O4-SiO2@[GuaH]+[Tar]2‒[GuaH]+) as a novel inorganic-bioorganic nanostructure to promote aqu... by Zahra Khademi, Kobra Nikoofar, Mansoureh Zahedi-Tabrizi

    Published 2025-02-01
    “…The novel bio-nanostructure was characterized by various techniques such as fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray analysis (EDAX), EDAX mapping, field emission scanning electron microscopy (FESEM), X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetric/differential thermal gravimetric analysis (TGA/DTG), vibrating sample magnetometry (VSM), high resolution transmission electron microscopy (HRTEM), and zeta potential analysis. …”
    Get full text
    Article
  12. 372

    Rapid Determination of the Furaltadone Metabolite in Aquatic Products Based on Fe3O4@AuNPs/MWCNTs-COOH Immunosensor by LI Ting, HE Huange, LU Hang, LI Shuguo

    Published 2025-01-01
    “…The microstructure of the prepared nanoparticles of Fe3O4 and Fe3O4@AuNPs was analyzed using ultraviolet-visible (UV-vis) spectroscopy and infrared (IR) spectroscopy, and their microscopic morphology was characterized using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The electrochemical performance of the prepared immunosensor was studied by cyclic voltammetry, electrochemical impedance spectroscopy, and the experimental conditions were optimized by differential pulse voltammetry using [Fe(CN)6]3-/4- as the probe. …”
    Get full text
    Article
  13. 373
  14. 374

    Detonation Nanodiamond Soot—A Structurally Tailorable Hybrid Graphite/Nanodiamond Carbon-Based Material by Tikhon S. Kurkin, Oleg V. Lebedev, Evgeny K. Golubev, Andrey K. Gatin, Victoria V. Nepomnyashchikh, Valery Yu. Dolmatov, Alexander N. Ozerin

    Published 2025-01-01
    “…The phase composition of the NDS nanoparticles was studied using X-ray diffraction, Raman spectroscopy, electron diffraction, transmission electron microscopy, atomic force microscopy, and scanning tunneling microscopy. …”
    Get full text
    Article
  15. 375

    Detection of HIV-1 and Human Proteins in Urinary Extracellular Vesicles from HIV+ Patients by Samuel I. Anyanwu, Akins Doherty, Michael D. Powell, Chamberlain Obialo, Ming B. Huang, Alexander Quarshie, Claudette Mitchell, Khalid Bashir, Gale W. Newman

    Published 2018-01-01
    “…EVs were isolated by ultrafiltration and characterized using transmission electron microscopy, tandem mass spectrometry (LC/MS/MS), and nanoparticle tracking analysis (NTA). …”
    Get full text
    Article
  16. 376

    Deformation-induced pearlite transformation and spheroidization of bearing steel for new energy vehicles by Zhihui Chen, Xiaolong Gan, Man Liu, Zhengliang Xue, Hao Tian, Desheng Li, Guang Xu

    Published 2025-03-01
    “…Effects of deformation strains on the microstructure and mechanical properties of bearing steel for new energy vehicles were investigated by combining thermal simulation testing machine with optical microscopy, field-emission scanning electron microscopy, electron backscatter diffraction technology, scanning transmission electron microscopy and hardness tests, etc. The results show that the warm deformation of the undercooled austenite at temperatures close to Ar1 induced the γ-Fe to pearlite transformation. …”
    Get full text
    Article
  17. 377

    Immobilization of Amorphous NiB Nanoparticles on Mesoporous Supports: Superior Catalysis for Controllably Hydrolyzing NaBH4 to Release H2 by Quanxing Liu, Jun Zhang, Xigang Du, Gang Mi, Yana Dong

    Published 2019-01-01
    “…The X-ray powder diffraction, transmission electron microscopy, and inductively coupled plasma atomic emission spectrometry were used to characterize the morphology and phase composition of the products. …”
    Get full text
    Article
  18. 378

    Physical Methods for the Preparation of Cobalt Nanoparticles for Use in the Synthesis of Multiwalled Carbon Nanotubes by Nicolas Moreau, Antonio Fonseca, Danilo Vuono, Joseph Delhalle, Zineb Mekhalif, Pierantonio De Luca, Janos B.Nagy

    Published 2024-12-01
    “…Co nanoparticles were prepared by Physical Vapour Deposition (PVD) using a 0.05 m<sup>3</sup> magnetron on two different substrates, SiO<sub>2</sub>/Si and C, followed by a reduction treatment in an H<sub>2</sub> atmosphere. Transmission Electron Microscopy (TEM) and Field Enhanced Scanning Electron Microscopy (FE-SEM) were used to characterize the Co nanoparticles. …”
    Get full text
    Article
  19. 379

    The Impact of Different Oxygen Delivery Methods on Corneal Epithelial Repair after Injury by Shanshan Li, Qingfen Tian, Gang Ding, Yuqin Sun, Zhongkai Hao, Xu Wang, Chenming Zhang, Yuan Tao

    Published 2022-01-01
    “…We found that the group A, which received oxygen supply via goggles, showed the best eye recovery. Transmission electron microscopy showed that the cornea with local oxygen supply via goggles or face mask exhibited intact capillary structure and obvious desmosome/hemidesmosome connections between cells. …”
    Get full text
    Article
  20. 380

    Reducing the effective dose of doxycycline using chitosan silver nanocomposite as a carriers on gram positive and gram-negative bacteria by Elham M. Mostafa, Y. Badr, M. M. Hashem, K. Abo-EL-Sooud, Amna H. Faid

    Published 2024-11-01
    “…The obtained nanoparticles were characterized by transmission electron microscopy (TEM), zeta-potential, UV-Visible spectroscopy and four transform infrared spectroscopy (FTIRs). …”
    Get full text
    Article