Showing 1,041 - 1,060 results of 8,933 for search 'were activation techniques', query time: 0.18s Refine Results
  1. 1041

    Total Phenolic Content and Antioxidant Activity of Different Extracts of Aronia melanocarpa L. Fruit by Nurcan Kılıç Baygutalp, Mehmet Şekeroğulları, Lale Duysak

    Published 2024-01-01
    “…By using the 1,1-diphenyl-2-picrylhydrazyl (DPPH), iron ion reducing antioxidant power (FRAP), and Cu2+ ion reducing (CUPRAC) techniques, antioxidant activities were assessed. To calculate the extracts’ equivalent antioxidant capacity, different reference sample concentrations ranging from 125 to 500 g/mL were prepared.Results: Both ethanol and methanol aronia extracts showed the highest phenolic component at a concentration of 500 µL/mL. …”
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  2. 1042

    Synthesis new heterocyclic compounds derived from 2-aminobenzothiazole and assessing their biological activities by Raed Muslim Mhaibes, Rasha Kareem Khudhur, Mukalad A. Ramadhan, Mohammed Abdul-Mounther Othman

    Published 2024-01-01
    “…The structure of prepared compounds were characterized by 1H-NMR, FT-IR techniques and their biological activity was assessed.…”
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  3. 1043

    Antibacterial activity of reduced graphene-silver oxide nanocomposite against gram-negative bacteria by Rashi Chaudhary, N.B. Singh, Garima Nagpal, Fredrick K. Saah

    Published 2024-12-01
    “…The findings demonstrate that the antibacterial activities of Pseudomonas sp., and E. coli were improved by graphene-based nanomaterials, which may be used for various biomedical techniques.…”
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  4. 1044

    Comparison of Two DNA Labeling Dyes Commonly Used to Detect Metabolically Active Bacteria by Leena Malayil, Suhana Chattopadhyay, Neha Sripathi, Emmanuel F. Mongodin, Amy R. Sapkota

    Published 2025-04-01
    “…Advances in next-generation sequencing techniques have improved bacterial identification, but these DNA-based methods cannot distinguish live bacteria from relic DNA. …”
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  5. 1045

    Preparation and characterization of active packaging film containing chitosan/gelatin/brassica crude extract by Yanmei Sun, Shifang Wu, Ziwei Jiao, Dafeng Liu, Xueru Li, Tiancui Shang, Zhu Tian

    Published 2025-02-01
    “…The resulting active films were characterized through various techniques, including X-ray diffraction (XRD), scanning electron microscope (SEM), Fourier transform infrared (FT-IR) spectroscopy, and light transmittance (T%), opacity, water solubility (WS), water vapour transmittance rate (WVTR), oxygen permeability (OP), mechanical properties, and antioxidant and antimicrobial properties. …”
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  6. 1046

    Study of the Catalytic Activity of the Compounds Hydrotalcite Type Treated by Microwave in the Self-Condensation of Acetone by Jamal Houssaini, Mohammed Naciri Bennani, Hamid Ziyat, Said Arhzaf, O. Qabaqous, Abdellatid Amhoud

    Published 2021-01-01
    “…Also, these catalysts were tested in the self-condensation reaction of acetone at 273 K in the liquid phase without solvent, a reaction which requires very high catalytic activity. …”
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  7. 1047

    Methylated Flavonols from Amomum koenigii J.F.Gmel. and Their Antimicrobial and Antioxidant Activities by Minh Giang Phan, Thi Viet Huong Do, Quoc Binh Nguyen

    Published 2020-01-01
    “…(Zingiberaceae). Their structures were determined by MS, NMR, and X-ray spectroscopic techniques. …”
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  8. 1048

    Multiomics analysis reveals microbial diversity and activity through spontaneous fermentation of Theobroma cacao by Ynara da Costa Fonseca, Celina Eugenio Bahule, Hector Herrera, Luiza Helena da Silva Martins, Alessandra Santos Lopes, Juliana Silva Cassoli, Felipe Costa Trindade, Isa Rebecca Chagas da Costa, Paulo Henrique de Oliveira Costa, Guilherme Oliveira, Rafael Borges da Silva Valadares

    Published 2024-12-01
    “…In addition to the known microorganisms involved in fermentation, such as Saccharomyces, Lactobacillus and Acetobacter, novel genera were also metabolically active, including Microvirga, Inquilinus, Candolleomyces and Lasiodiplodia.. …”
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  9. 1049
  10. 1050

    Sensor-Based Automatic Recognition of Construction Worker Activities Using Deep Learning Network by Ömür Tezcan, Cemil Akcay, Mahmut Sari, Muhammed Cavus

    Published 2025-06-01
    “…This study is motivated by the need to accurately recognise construction worker activities in labour-intensive environments, leveraging deep learning (DL) techniques to enhance operational efficiency. …”
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  11. 1051

    Predictive Modeling of Phenolic Adsorption from Yerba Mate Extract on Commercial Activated Carbon by Marina L. Kienteca, Matheus S. T. Arantes, Myriam Lorena N. Cerutti, Vitor R. Silva

    Published 2025-07-01
    “…Rich in these compounds, yerba mate shows promise for antioxidant extraction. Adsorption techniques, particularly using commercial activated carbon (CAC) with high surface area and porosity, are critical for isolating such compounds. …”
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  12. 1052
  13. 1053

    A COMPARATIVE STUDY OF NUMISMATIC EVIDENCES ASSOCIATED TO MINING ACTIVITIES IN PARTHIAN AND SELEUCID DYNASTIES by Hassan Karimian

    Published 2020-07-01
    “…Since coin was a symbol of the sovereignty of rulers and an indicator of the economic power of ancient civilizations, silver mining was probably one of the main activities of the ancient craftsmen.  </p><p>The main aim of this research is to investigate the conditions surrounding, and the techniques used for, extraction of silver from different mines during the reign of Alexander of Macedon, Seleucid rulers (336-129 BC), and Parthian kings (247 BC-224 AD). …”
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  14. 1054

    Synthesis and Characterization of Grafted Chitosan Blending with Polyvinyl alcohol / Nanocomposite and Study Biological Activity by Ruwaidah S. Saeed, Hanaa G. Attiya, Kawther Ayad Obead

    Published 2023-10-01
    “…The synthesized polymers were identified via spectral analysis techniques, including FTIR , 1H-NMR and scanning electron microscope (SEM). …”
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  15. 1055
  16. 1056

    Improving the water resistance of gypsum-based building materials with slag activated by calcium oxide by Chunhua Feng, Yisen Wang, Luwei Wang, Xiaomeng Zhao, Wenyan Zhang, Jianping Zhu, Mingxing Du

    Published 2024-12-01
    “…In this paper, calcium oxide and slag were added to building gypsum to study the effect of calcium oxide alkali activation of slag on the water resistance of building gypsum. …”
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  17. 1057

    Inhibitory mechanism on tyrosinase activity of flavonoids from flower buds of Sophora japonica L by Yunfeng Ma, Chaoyang Zhang, Jinlin Li, Jiayan Xiong, Bao-Lin Xiao

    Published 2024-10-01
    “…Further analysis, including partial least squares regression coefficient analysis and grey correlation analysis, regarded kaempferol, isorhamnetin, and quercetin as the compounds with significant tyrosinase inhibitory activities. To understand the inhibition mechanism of tyrosinase activity, various analytical techniques such as enzymatic kinetic analysis, fluorescence quenching, circular dichroism (CD), molecular docking, and molecular dynamics simulation were employed. …”
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  18. 1058

    Layer-by-Layer Assembly and Photocatalytic Activity of Titania Nanosheets on Coal Fly Ash Microspheres by Xing Cui, Jianwen Shi, Zhilong Ye, Zhaoji Zhang, Bin Xu, Shaohua Chen

    Published 2014-01-01
    “…In order to address the problem with titania distribution and recovery, series of Ti0.91O2/CFA photocatalysts (Ti0.91O2/CFA-n, n=2,4,6, and 8) were fabricated by assembling Ti0.91O2 nanosheets on coal fly ash (CFA) microspheres via the layer-by-layer assembly (LBLA) process and characterized by scanning electron microscopy (SEM), X-ray diffraction analysis (XRD), N2-sorption, and ultraviolet-visible absorption (UV-vis) techniques. …”
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  19. 1059
  20. 1060

    Carbachol-Induced Reduction in the Activity of Adult Male Zebra Finch RA Projection Neurons by Wei Meng, Song-Hua Wang, Dong-Feng Li

    Published 2016-01-01
    “…In the present study, the electrophysiological effects of carbachol, a nonselective cholinergic receptor agonist, were investigated on the RA projection neurons of adult male zebra finches through whole-cell patch-clamp techniques in vitro. …”
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