Showing 1,921 - 1,940 results of 2,161 for search '"electron microscopy"', query time: 0.07s Refine Results
  1. 1921

    Suppressing GDF15 enhances the chemotherapeutic effect of 5 FU on MSI-H CRC by regulating the ferroptosis pathway SLC7A11/GSH/GPX4 by Zhi min Huang Fu, Ming Xiao, Hailun Xie, Shuxian Zhang, Tang Yi, Qingshu Li, Ming Li, Yalan Wang

    Published 2024-12-01
    “…We examined alterations in mitochondria via electron microscopy and changes in the mitochondrial membrane potential, ferroptosis-related signals (MDA, Fe2+), and SLC7A11/GSH/GPX4 protein pathway. …”
    Get full text
    Article
  2. 1922

    Pore Structure and Its Fractal Dimension: A Case Study of the Marine Shales of the Niutitang Formation in Northwest Hunan, South China by Wei Jiang, Yang Zhang, Tianran Ma, Song Chen, Yang Hu, Qiang Wei, Dingxiang Zhuang

    Published 2025-01-01
    “…To analyze the pore structure and fractal characteristics of marine shale in the lower Cambrian Niutitang Formation in northwestern Hunan Province, China, the pore characteristics of shale were characterized using total organic carbon (TOC) content, field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), low temperature nitrogen adsorption (LT-N<sub>2</sub>GA) and methane adsorption experiments. …”
    Get full text
    Article
  3. 1923

    Eco-Friendly Synthesis of Zirconium Dioxide Nanoparticles from <i>Toddalia asiatica</i>: Applications in Dye Degradation, Antioxidant and Antibacterial Activity by Arumugam Kathirvel, Ramalingam Srinivasan, Sathasivam Harini, Natarajan Ranjith, Govindan Suresh Kumar, Kesavan Lalithambigai, Raji Atchudan, Mohamed A. Habila, Ahmed M. Aljuwayid, Hae Keun Yun

    Published 2025-01-01
    “…Analytical techniques, including various spectroscopy methods and electron microscopy, confirmed the formation of aggregated spherical ZrO<sub>2</sub> NPs, ranging from 15 to 30 nm in size, with mixed-phase structure composed of tetragonal and monoclinic structures. …”
    Get full text
    Article
  4. 1924

    WKB ameliorates DSS-induced colitis through inhibiting enteric glial cells activation and altering the intestinal microbiota by Qi Sun, Bai-Rong Li, Dong-Hao Li, Xiao-Ying Wang, Qian-Yi Wang, Zhi-Meng Jiang, Shou-Bin Ning, Tao Sun

    Published 2025-01-01
    “…Epithelial barrier integrity was evaluated using immunofluorescence, transmission electron microscopy, and permeability assays. EGCs activity was analyzed via immunofluorescence and quantitative real-time PCR. …”
    Get full text
    Article
  5. 1925

    Pore Preservation and Failure Mechanism of Sinian Dengying Formation Carbonate Reservoirs: A Case Study of Two Ultradeep Wells in the Sichuan Basin, Western China by Zeqi Li, Wei Sun, Shugen Liu, Zhiwu Li, Bin Deng, Juan Wu, Yi Ding, Kun Jiao, Xin Jin, Pengda Lu, Tengzhen Tian

    Published 2021-01-01
    “…This study performed thin-section, geochemistry, field emission scanning electron microscopy, fluid inclusion, and basin model analysis of samples from two boreholes over 8,000 m deep in the Sichuan Basin to determine the pore features and preservation mechanism of the Sinian (Ediacaran) Dengying Formation carbonate reservoirs. …”
    Get full text
    Article
  6. 1926

    Halloysite nanotubes as delivery mechanism for feather protein-based multi-surfactant systems in crude oil dispersion application by Yaw Kwakye Adofo, Emmanuel Nyankson, Benjamin Agyei-Tuffour, Selassie Gbogbo, Christian Amoako, Joseph Arko Morgan, Gloria Pokuaa Manu, Grace Karikari Arkorful

    Published 2025-01-01
    “…Chicken feather protein (CFP), and lecithin (L), Tween 80 (T), and DOSS (D) surfactant systems were loaded onto halloysite nanotubes (HNTs), a natural clay aluminosilicate product to form particulate dispersants at different surfactant concentrations and characterized by Fourier Transform Infrared spectroscopy, thermogravimetric analysis and scanning electron microscopy coupled with EDS. For 24 wt% surfactants concentrations loaded HNTs; 100 wt%CFP-HNTs, 60 wt%CFP- 40 wt%L-HNTs, 20 wt%CFP- 80 wt%T-HNTs, 50 wt%CFP- 25 wt%T-25 wt%L-HNTs and 25 wt %CFP- 25 wt%T-50 wt%D-HNTs showed good interfacial tension lowering abilities by recording 6.39, 2.82, 2.43, 1.68, and 1.55 mN/m at 60s respectively. …”
    Get full text
    Article
  7. 1927

    Layered metal carbo–selenide Nb2CSe2 with van der Waals interlayer coupling by Junchao Wang, Renfei Cheng, Tao Hu, Xinyue Tang, Yan Liang, Min Tian, Ting Xiong, Qiuhong Lu, Qi Zhu, Zhiqing Yang, Xiaohui Wang, Yanchun Zhou

    Published 2025-01-01
    “…The stacking structure of Nb2CSe2, a newly synthesized layered metal carbo-selenide, was elucidated by scanning transmission electron microscopy. Nb2CSe2 features Se−Nb−C−Nb−Se quintuple atomic layers. …”
    Get full text
    Article
  8. 1928

    The Effect of Laminin-1-Doped Nanoroughened Implant Surfaces: Gene Expression and Morphological Evaluation by Humberto Osvaldo Schwartz-Filho, Kostas Bougas, Paulo G. Coelho, Ying Xue, Mariko Hayashi, Rafael Silveira Faeda, Rosemary Adriana Chiérici Marcantonio, Daisuke Ono, Fumio Kobayashi, Kamal Mustafa, Ann Wennerberg, Ryo Jimbo

    Published 2012-01-01
    “…After 2 weeks of healing, the implants were removed and subjected to morphological analysis using scanning electron microscopy (SEM) and gene expression analysis using the real-time reverse transcriptase-polymerase chain reaction (RT-PCR). …”
    Get full text
    Article
  9. 1929

    Experimental study on the engineering characteristics of expansive soil improved conjointly using enzyme induced carbonate precipitation and eggshell powder by Mudassir Mehmood, Yuancheng Guo, Yunlong Liu, Lei Wang, Wen Nie, Bantayehu Uba Uge, Sharafat Ali, Chen Xuanyu, Yingao Zhao

    Published 2025-02-01
    “…A thorough examination of the soil’s microstructure development after treatment was additionally executed through scanning electron microscopy (SEM) and X-ray diffraction (XRD) techniques. …”
    Get full text
    Article
  10. 1930

    Optimal Pore Size of Honeycomb Polylactic Acid Films for In Vitro Cartilage Formation by Synovial Mesenchymal Stem Cells by Misaki Yagi, Mitsuru Mizuno, Ryota Fujisawa, Hisako Katano, Kentaro Endo, Nobutake Ozeki, Yuriko Sakamaki, Hideyuki Koga, Ichiro Sekiya

    Published 2021-01-01
    “…Suspensions of human synovial MSCs were plated on PLA films with different pore sizes (no pores, or with 5 μm or 20 μm pores) and then observed by scanning electron microscopy. The numbers of cells remaining in the film and passing through the film were quantified. …”
    Get full text
    Article
  11. 1931

    Reestablishment of Redox Homeostasis in the Nociceptive Primary Afferent as a Mechanism of Antinociception Promoted by Mesenchymal Stem/Stromal Cells in Oxaliplatin-Induced Chronic... by Anna Lethicia L. Oliveira, Gisele G. L. Santos, Renan F. Espirito-Santo, Gessica Sabrina A. Silva, Afrânio F. Evangelista, Daniela N. Silva, Milena B. P. Soares, Cristiane Flora Villarreal

    Published 2021-01-01
    “…Four weeks later, mitochondrial morphology, gene expression profile, and oxidative stress markers in the sciatic nerve and dorsal root ganglia (DRG) were evaluated by transmission electron microscopy, RT-qPCR, and biochemical assays, respectively. …”
    Get full text
    Article
  12. 1932

    The effect of electroslag remelting on the cleanliness of CrNiMoWMnV ultrahigh-strength steels by Ali M., Porter D., Kömi J., Heikkinen E.P., Eissa M., El Faramawy H., Mattar T.

    Published 2019-01-01
    “…Cast ingots were forged at temperatures between 1100 and 950°C, air cooled, and their non-metallic inclusions (NMIs) were characterized using field emission scanning electron microscopy and laser scanning confocal microscopy. …”
    Get full text
    Article
  13. 1933

    Exosomal miR-122 derived from M2 macrophages induces osteogenic differentiation of bone marrow mesenchymal stem cells in the treatment of alcoholic osteonecrosis of the femoral hea... by Guoping Le, Riyou Wen, Huaixi Fang, Zhifa Huang, Yong Wang, Hanwen Luo

    Published 2025-01-01
    “…M2 macrophages were identified by flow cytometry, and the isolated exosomes were characterized by transmission electron microscopy (TEM) and Nanoparticle Tracking Analysis (NTA). …”
    Get full text
    Article
  14. 1934

    Adsorption of Chromium(VI) onto Freshwater Snail Shell-Derived Biosorbent from Aqueous Solutions: Equilibrium, Kinetics, and Thermodynamics by Xuan Hoa Vu, Lan Huong Nguyen, Huu Tap Van, Dinh Vinh Nguyen, Thu Huong Nguyen, Quang Trung Nguyen, L. T. Ha

    Published 2019-01-01
    “…The FSS biosorbent was characterized using nitrogen adsorption/desorption isotherm, X-ray diffraction, scanning electron microscopy with energy dispersive spectroscopy, and Fourier transform infrared spectroscopy. …”
    Get full text
    Article
  15. 1935

    Characterization of Calcium Compounds in Opuntia ficus indica as a Source of Calcium for Human Diet by Isela Rojas-Molina, Elsa Gutiérrez-Cortez, Moustapha Bah, Alejandra Rojas-Molina, César Ibarra-Alvarado, Eric Rivera-Muñoz, Alicia del Real, Ma. de los Angeles Aguilera-Barreiro

    Published 2015-01-01
    “…The characterization of calcium compounds was performed by using Scanning Electron Microscopy, Energy Dispersive Spectrometry, X-ray diffraction, and infrared spectroscopy. …”
    Get full text
    Article
  16. 1936

    The structural characteristics of dietary fibers from Tremella fuciformis and their hypolipidemic effects in mice by Shanshan Zhang, Xinle Xu, Xu Cao, Tingting Liu

    Published 2023-03-01
    “…The structure of dietary fibers from tremella was studied by Fourier transform infrared (FTIR), X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). We analyzed their lipid-lowering properties in vitro (water holding, oil holding swelling cholesterol and sodium cholate binding capacitises) and the hypolipidemic effects in mice. …”
    Get full text
    Article
  17. 1937

    Effect of Nb and Si Content on Phase Stability, Microstructure and Mechanical Properties of Sintered Ti–Nb–Si Alloys by Derek Manoel Luup Carvalho, Deivison Daros Paim, Isadora Schramm Deschamps, Claudio Aguilar, Aloísio Nelmo Klein, Francisco Cavilha Neto, Guilherme Oliveira Neves, Cristiano Binder

    Published 2025-01-01
    “….% of Si improved relative density, with no benefits observed at 0.60 wt.% Si. Electron microscopy showed the presence of β phase grains, and grains with β + α intragranular structures and precipitates. …”
    Get full text
    Article
  18. 1938

    Growth kinetics of sintering neck and particle rotation mechanism of silver nanoparticles by molecular dynamics simulation and in-situ TEM observation by Peng Wu, Jiayun Feng, Yiping Wang, Geng Li, Zirui Tong, Shang Wang, Yongchun Zou, Yanhong Tian

    Published 2025-03-01
    “…In this paper, the sintering process of Ag nanoparticles with different sizes was simulated by molecular dynamics simulation, and the simulation results were verified with the in-situ observation under transmission electron microscopy (TEM) heating, which further clarified the sintering mechanism of Ag nanoparticles. …”
    Get full text
    Article
  19. 1939

    Effect of polishing methods on Candida albicans adhesion and contributing factors in heat-cured acrylic dentures: an in-vitro comparative study by Shahrukh Ali Khan, Zulfiqar Ali Mirani, Taimur Khalid, Engr Muhammad Wasiq Ali Khan, Ziaullah Choudhary, Syed Murtaza Raza Kazmi

    Published 2025-02-01
    “…Surface roughness (Ra) was measured using a profilometer. Scanning Electron Microscopy (SEM) analysis was conducted on polished and unpolished specimens. …”
    Get full text
    Article
  20. 1940