Showing 61 - 80 results of 483 for search '"free radical"', query time: 0.06s Refine Results
  1. 61

    Synthesis and Characterization of Some New Thermal Stable Polymers - Polymerization of N-[4-N´ -(Benzylamino-carbonyl)phenyl]maleimide by B. L. Hiran, Jyoti Chadhary, S. N. Paliwal, Suresh Meena, P. R. Chaudhary

    Published 2007-01-01
    “…Effect of the different free radical initiator AIBN, BPO and solvents p-Dioxane, THF, DMF and DMSO was studied. …”
    Get full text
    Article
  2. 62

    Antioxidant Property of Aerial Parts and Root of Phyllanthus fraternus Webster, an Important Medicinal Plant by Richa Upadhyay, Jitendra Kumar Chaurasia, Kavindra Nath Tiwari, Karuna Singh

    Published 2014-01-01
    “…In present study free radical scavenging potential of aerial parts and root of Phyllanthus fraternus was investigated. …”
    Get full text
    Article
  3. 63

    Synthesis, Characterization, Antimicrobial, DNA Cleavage, and Antioxidant Studies of Some Metal Complexes Derived from Schiff Base Containing Indole and Quinoline Moieties by Mahendra Raj Karekal, Vivekanand Biradar, Mruthyunjayaswamy Bennikallu Hire Mathada

    Published 2013-01-01
    “…The DNA cleavage experiment performed using agarose gel electrophoresis method showed the cleavage of DNA by all the metal complexes. The free radical scavenging activity of newly synthesized compounds has been determined at a different concentration range by means of their interaction with the stable free radical 1,1-diphenyl-2-picrylhydrazyl (DPPH).…”
    Get full text
    Article
  4. 64

    Protective effects of olive oil phenolics oleuropein and hydroxytyrosol against hydrogen peroxide-induced DNA damage in human peripheral lymphocytes by Zorić Nataša, Kopjar Nevenka, Rodriguez Jadranka Vuković, Tomić Siniša, Kosalec Ivan

    Published 2021-03-01
    “…Hydroxytyrosol showed a better protective effect against H2O2-induced DNA breaks than oleuropein which could be associated with their free radical-scavenging efficacy.…”
    Get full text
    Article
  5. 65

    FORMULATION OF CREAM BODY SCRUB FROM ETHANOL EXTRACT OF CASSAVA LEAVES (Manihot esculenta) AS ANTIOXIDANT by Fadhliyah Malik, Suryani Suryani, Sunandar Ihsan, Elvianti Meilany, Rini Hamsidi

    Published 2020-07-01
    “…Antioxidant can prevent damage to the skin by reducing free radical activity. Purpose : The purpose of this study to determine the concentration of ethanol extract of leaves of cassava can be formulated into dosage cream body scrub which have antioxidant activity. …”
    Get full text
    Article
  6. 66

    Antioxidant Activity and Reactive Oxygen Species (ROS) Scavenging Mechanism of Eriodictyon californium, an Edible Herb of North America by Allie Richards, Savita Chaurasia

    Published 2022-01-01
    “…The ethanolic leaf extract of E. californicum was studied for its phytochemical constituents, antioxidant potential, and free radical scavenging activity. Phytochemical analysis revealed the presence of flavonoids, saponins, phenols, tannins, terpenoids, cardiac glycosides, and steroids. …”
    Get full text
    Article
  7. 67

    A Mechanistic Study on the Non-genotoxic Carcinogenicity of the Food Contaminant Semicarbazide by Daniel P. Fitzpatrick

    Published 2020-10-01
    “…A novel finding of the present study was where NRK cells were exposed to micromolar concentrations of semicarbazide, an inverse relationship between protein kinase C activity, and free radical concentration proportionally increases > 2-fold. …”
    Get full text
    Article
  8. 68

    Synthesis of Amino Acid Analogues of 5H-Dibenz[b,f]azepine and Evaluation of their Radical Scavenging Activity by H. Vijay Kumar, C. R. Gnanendra, Nagaraja Naik

    Published 2009-01-01
    “…Under our experimental conditions tyrosine, hydroxy proline and threonine analogues possess a direct scavenging effect on trapping the stable free radical DPPH. Hydroxy proline analogues showed a significant radical scavenging activity among the synthesized analogues…”
    Get full text
    Article
  9. 69

    UPLC-MS metabolite profiling and antioxidant activity of Sanghuangporus sanghuang extract by Weike Wang, Na Lu, Cheng Jiang, Guanping Chen

    Published 2025-01-01
    “…The extracts exhibited high antioxidant and free radical scavenging activities with relatively stronger free radical scavenging activity. …”
    Get full text
    Article
  10. 70

    Comparative Analysis of the Antioxidant and Antidiabetic Potential of Nelumbo nucifera Gaertn. and Nymphaea lotus L. var. pubescens (Willd.) by Tamlal Pokhrel, Dipesh Shrestha, Kamal Dhakal, Paras Mani Yadav, Achyut Adhikari

    Published 2022-01-01
    “…Antioxidant property of the plant extract was determined by DPPH free radical scavenging assay. The aluminium trichloride method was done for the estimation of total flavonoid content. …”
    Get full text
    Article
  11. 71

    Isolation and Identification of Endophytic Fungi from Syzygium cumini Linn and Investigation of Their Pharmacological Activities by Mst. Mabiya Sultana Samapti, Farhana Afroz, Satyajit Roy Rony, Suriya Sharmin, Fatema Moni, Shammi Akhter, Sheikh Feroz Uddin Ahmed, Md. Hossain Sohrab

    Published 2022-01-01
    “…The fungal extract showed the highest free radical scavenging activity (2.43 μg/mL) near that of ascorbic acid (2.42 μg/mL). …”
    Get full text
    Article
  12. 72

    Antioxidant Properties of Popular Turmeric (Curcuma longa) Varieties from Bangladesh by E. M. Tanvir, Md. Sakib Hossen, Md. Fuad Hossain, Rizwana Afroz, Siew Hua Gan, Md. Ibrahim Khalil, Nurul Karim

    Published 2017-01-01
    “…The antioxidant activity was determined using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging activity and ferric reducing antioxidant power (FRAP) values. …”
    Get full text
    Article
  13. 73

    Physiological Alterations due to Hepatotoxicity and the Protective Role of Cleome viscosa Linn Seed Extract in Experimental Animals by Addai-Mensah Donkor, Martin Ntiamoah Donkor, Benjamin Ahenkorah, Kwadwo Asante Asare-Konadu, Emmanuel Asiedu, Richard Mosobil

    Published 2022-01-01
    “…Phytochemical screening of C. viscosa seed ethanol extract was carried out. Free radical scavenging activity of crude seed extract of the plant was conducted using the DPPH assay method. …”
    Get full text
    Article
  14. 74

    Synthesis, Characterization, and Biological Evaluation of Gabapentinoid Hybrids with Isoindole-1,3(2H)-Dione Moiety as Potential Antioxidant, Antimicrobial, and Anticancer Agents by Mirna Jabbour, Mohammad Ammar Al-Khayat, Mahmoud Al-Ktaifani

    Published 2023-01-01
    “…Compounds 1, 3, and 4 exhibited a good free radical scavenging effect, and compound 3 is the most effective with IC50 value of 2.525 μmol/mL. …”
    Get full text
    Article
  15. 75

    Substituted 4-Acyl-5-methyl-2-phenyl-pyrazol-3-one-phenylhydrazones with Antioxidant Properties: X-Ray Crystal and Spectroscopic Studies by Omoruyi G. Idemudia, Anthony I. Okoh, Alexander P. Sadimenko, Eric C. Hosten, Omobola O. Okoh

    Published 2017-01-01
    “…Phenylhydrazine was reacted with synthesized acylpyrazolone derivatives 4-ethyl-5-methyl-2-phenyl-pyrazol-3-one and 4-propyl-5-methyl-2-phenyl-pyrazol-3-one, to obtain two new azomethine phenylhydrazones, a study in continuation of our probe into the effects of acyl group substitutions on the physicochemical and free radical scavenging properties of acylpyrazolone Schiff bases. …”
    Get full text
    Article
  16. 76

    In vitro characterization the antioxidant and antibacterial properties of hemp (Cannabis sativa spp.) varieties cultivated in Northern Alabama by Aaron Dudley, Lamin S. Kassama, Armitra Jackson-Davis, Ernst Cebert, Xianyan Kuang

    Published 2025-01-01
    “…Antioxidant potential was evaluated by DPPH free radical scavenging activity (2, 2-diphenyl-1- picrylhydrazyl), Total phenolic and flavonoid contents. …”
    Get full text
    Article
  17. 77

    Potential Antioxidant Activity of New Tetracyclic and Pentacyclic Nonlinear Phenothiazine Derivatives by Godwill Azeh Engwa, Eugene Lekem Ayuk, Benardeth Ujunwa Igbojekwe, Marcellus Unaegbu

    Published 2016-01-01
    “…The global increase in oxidative stress related diseases such as cancer, cardiovascular, and inflammatory diseases caused by overwhelming level of free radicals in the body has encouraged the search for new antioxidant agents. …”
    Get full text
    Article
  18. 78

    Design, Synthesis, and Pharmacological Screening of Novel Porphyrin Derivatives by Ahmed A. Fadda, Rasha E. El-Mekawy, Ahmed El-Shafei, Harold S. Freeman, David Hinks, Manal El-Fedawy

    Published 2013-01-01
    “…It was demonstrated that these dyes were effective in the inhibition of the free radical-induced oxidative haemolysis of rat blood cells. …”
    Get full text
    Article
  19. 79

    Total Phenolic, Flavonoid Contents, and Antioxidant Activities of Fruit, Seed, and Bark Extracts of Zanthoxylum armatum DC by Nirmala Phuyal, Pramod Kumar Jha, Pankaj Prasad Raturi, Sangeeta Rajbhandary

    Published 2020-01-01
    “…These plants contain polyphenols and flavonoids that act as free radical scavengers and reduce oxidative stress and may be an alternative remedy to cure various harmful human diseases. …”
    Get full text
    Article
  20. 80

    Effect of Lacticaseibacillus rhamnosus Yoba Fermentation on Physicochemical Properties, Amino Acids, and Antioxidant Activity of Cowpea-Peanut Milk by Armistice Chawafambira, Talknice Zvamaziva Jombo, Tafadzwa Mkungunugwa

    Published 2022-01-01
    “…Quality parameters such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging rate, total antioxidant activity, antinutrient, and amino acids content were determined. …”
    Get full text
    Article