Showing 421 - 440 results of 2,161 for search '"electron microscopy"', query time: 0.09s Refine Results
  1. 421

    Life History of Aricoris propitia (Lepidoptera: Riodinidae)—A Myrmecophilous Butterfly Obligately Associated with Fire Ants by Lucas A. Kaminski, Fernando S. Carvalho-Filho

    Published 2012-01-01
    “…The immature stages of Aricoris propitia (Stichel) are described and illustrated for the first time, using both light and scanning electron microscopy. Females oviposit in at least seven host-plant families, always in the presence of fire ants (Solenopsis saevissima (Smith) complex), without being attacked by them. …”
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  2. 422

    Chemical Functionalization and Characterization of Cellulose Extracted from Wheat Straw Using Acid Hydrolysis Methodologies by Chemar J. Huntley, Kristy D. Crews, Michael L. Curry

    Published 2015-01-01
    “…X-ray diffraction analyses reveal that upon oxidation a slight change in the cellulose polymorphic structure (CI to CII) can be observed when compared to its unmodified counterpart. Scanning electron microscopy analyses show that the oxidized cellulose structure exhibits fiber-like crystals with lengths and diameters on the micrometer scale. …”
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  3. 423

    Study of the Kinetics Adsorption of Organic Pollutants on Modified Cellulosic Polymer Using Ultraviolet-Visible Spectroscopy by Djamila Ghemati, Djamel Aliouche

    Published 2013-01-01
    “…The grafting is initiated by ceric ions Ce(IV) and confirmed by infrared spectroscopy analysis (FTIR). Scanning electron microscopy (SEM) analysis was carried out to evaluate properties of structure and surface of grafted polymers. …”
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  4. 424

    Synthesis and Ultraviolet Visible Spectroscopy Studies of Chitosan Capped Gold Nanoparticles and Their Reactions with Analytes by Norfazila Mohd Sultan, Mohd Rafie Johan

    Published 2014-01-01
    “…The significance of chitosan as stabilizer was distinguished through transmission electron microscopy (TEM) images and UV-Vis absorption spectra in which the interparticles distance increases whilst retaining the surface plasmon resonance (SPR) characteristics peak. …”
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  5. 425

    THE EFFECT OF ACID ETCHING TREATMENT ON SURFACE PROPERTIES OF DENTAL HARD TISSUE by Maria Iancu, Norina Forna, Aurora Antoniac, Marius Manole, Octavian Trante, Paltanea Veronica, Doriana Forna, Gabriela Cioca, Nicolcescu Pantelie

    Published 2024-12-01
    “…As investigation methods, the surface roughness was determined based on atomic force microscopy (AFM), and we analyzed the surface morphology in detail using scanning electron microscopy (SEM). Then, we analyzed the hydrophile character of the dental structure by experimentally measuring the contact angle (CA) and computed the surface energy (SFE). …”
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  6. 426

    Comparative Study of Biotin and Hydroxyapatite on Biological Properties of Composite Coating by Qahtan A. Hamad, Fatimah J. Al-Hasani, Noor K. Faheed

    Published 2022-01-01
    “…Characterization of samples includes microstructure observation by field emission scanning electron microscopy (FE-SEM), contact angle measurement (wettability), and MTT. …”
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  7. 427

    Preparation and Microwave Absorption Properties of Polyaniline and Magnetite Core-Shell-Structured Hybrid by Xuan Zhang

    Published 2018-01-01
    “…The morphologies of PAN@Fe3O4 hybrids are studied by scanning electron microscope (SEM) and transmission electron microscopy (TEM). The content of polyaniline in the PAN@Fe3O4 hybrids is calculated by thermogravimetric analysis (TGA). …”
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  8. 428

    Structural basis of inhibition of human NaV1.8 by the tarantula venom peptide Protoxin-I by Bryan Neumann, Stephen McCarthy, Shane Gonen

    Published 2025-02-01
    “…Using monolayer graphene grids, we report the cryogenic electron microscopy structures of full-length human apo-NaV1.8 and the Protoxin-I-bound complex at 3.1 Å and 2.8 Å resolution, respectively. …”
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  9. 429
  10. 430

    Aspartic Acid- and Glycine-Functionalized Mesoporous Silica as an Effective Adsorbent to Remove Methylene Blue from Contaminated Water by Abdullah M. Alswieleh

    Published 2022-01-01
    “…The average size of the nanoadsorbents was estimated to be ca. 290 nm as characterized by scanning electron microscopy (SEM) and transmission electron microscope (TEM). …”
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  11. 431

    Influences of Ultrafine Slag Slurry Prepared by Wet Ball Milling on the Properties of Concrete by Yubo Li, Shaobin Dai, Xingyang He, Ying Su

    Published 2018-01-01
    “…Microstructure and pore structure were evaluated by X-ray diffraction (XRD), scanning electron microscopy (SEM), and mercury intrusion porosimetry (MIP). …”
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  12. 432

    Long-Term Performance and Durability of Heat-Treated Alkali-Activated Slag Mortar Containing Silica Fume by Naser Sameti, Ebrahim Ghiasvand, Ehsanollah Zeighami, Seyyed Mohammad Mirhosseini

    Published 2024-01-01
    “…The performance of the fabricated specimens was evaluated through compressive strength testing, mass change analysis, X-ray diffraction, and scanning electron microscopy. Heat treatment resulted in improved performance of AAS mortars, while silica fume replacement also positively influenced mortar behavior. …”
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  13. 433

    Casting techniques of cannonballs from the Akko 1 shipwreck: Archaeometallurgical investigation by Cvikel D., Mentovich E.D., Ashkenazi D., Kahanov Y.

    Published 2013-01-01
    “…The examination used optical microscopy, scanning electron microscopy, including energy dispersive spectroscopy, and hardness tests. …”
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  14. 434

    Pd-Au Electrocatalysts for Hydrogen Evolution Reaction at Neutral pH by Elitsa Chorbadzhiyska, Mario Mitov, Georgi Hristov, Nina Dimcheva, Lori Nalbandian, Antigoni Evdou, Yolina Hubenova

    Published 2014-01-01
    “…Pd-Au codeposits with different ratio of both metals were electrodeposited on carbon felt, characterized by scanning electron microscopy, and investigated as electrocatalysts towards hydrogen evolution reaction in neutral phosphate buffer solution. …”
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  15. 435

    NANOCOMPOSITION OF HYDROXYLAPATITE FROM CORTICAL BONE TISSUE by A.A. Bibko, D.V. Lychagin, O.V. Bukharova, E.A. Kostrub, M.O. Khrushcheva

    Published 2024-09-01
    “…In this work, we studied the cortical bone tissue of rats using transmission electron microscopy (TEM) and X-ray diffraction. According to the results of the Scherrer method, the size of hydroxylapatite crystallites is 8.8 × 4.0 nm. …”
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  16. 436
  17. 437

    Morphology and Surface Structure of Eggs and First Instar Larvae of Coccinella septempunctata (Linnaeus, 1758) (Coleoptera: Coccinellidae) by Selami Candan, Nurcan Özyurt Koçakoğlu, Hicret Arslan

    Published 2025-01-01
    “…In this study, the egg structure and first larval period of C. septempunctata were examined using stereomicroscopy and scanning electron microscopy. C. septempunctata eggs are clear and oval, appearing elliptical dorsally and ventrally and slightly rounded at both ends. …”
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  18. 438

    Effect of Sisal Fiber Surface Treatment on Properties of Sisal Fiber Reinforced Polylactide Composites by Zhaoqian Li, Xiaodong Zhou, Chonghua Pei

    Published 2011-01-01
    “…The results from mechanical testing revealed that surface-treated sisal fiber reinforced composite offered superior mechanical properties compared to untreated fiber reinforced polylactide composite, which indicated that better adhesion between sisal fiber and PLA matrix was achieved. Scanning electron microscopy (SEM) investigations also showed that surface modifications improved the adhesion of the sisal fiber/polylactide matrix.…”
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  19. 439

    Mechanical Properties of Fiber-Reinforced Concrete Using Composite Binders by Roman Fediuk, Aleksey Smoliakov, Aleksandr Muraviov

    Published 2017-01-01
    “…Compaction of structure on micro- and nanoscale levels was characterized by different techniques: X-ray diffraction, DTA-TGA, and electron microscopy. Results showed that the grinding of active mineral supplements allows crystallization centers to be created by ash particles as a result of the binding of Ca(OH)2 during hardening alite, which intensifies the clinker minerals hydration process; the presence of fine grains limestone also leads to the hydrocarboaluminates calcium formation. …”
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  20. 440

    Influence of Alkaline Activators on Unconfined Compressive Strength of Saline Soils Stabilised with Ground Granulated Blast Furnace Slags by Guoqi Xing, Lijun Zhang, Wei Xuan, Yueyue Pan, Yue Zhao, Bing Zhang

    Published 2021-01-01
    “…In this study, the stabilisation effect of alkali-activated GGBS on saline soil and the hydration products of alkali-activated GGBS were investigated by unconfined compressive strength tests and scanning electron microscopy, respectively. The results show that Ca(OH)2 and NaOH as alkaline activators for GGBS significantly improve the unconfined compressive strength of saline soils. …”
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