Showing 21 - 40 results of 70 for search '"comet"', query time: 0.04s Refine Results
  1. 21

    Identification of a Multicriteria Decision-Making Model Using the Characteristic Objects Method by Andrzej Piegat, Wojciech Sałabun

    Published 2014-01-01
    “…This paper presents a new, nonlinear, multicriteria, decision-making method: the characteristic objects (COMET). This approach, which can be characterized as a fuzzy reference model, determines a measurement standard for decision-making problems. …”
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    Article
  2. 22

    Cellular Reference Materials for DNA Damage Using Electrochemical Oxidation by Donald H. Atha, Omobola Cole, Breece Clancy, Alessandro Tona, Vytas Reipa

    Published 2020-01-01
    “…Reference materials are needed to quantify the level of DNA damage in cells, to assess sources of measurement variability and to compare results from different laboratories. The comet assay (single cell gel electrophoresis) is a widely used method to determine DNA damage in the form of strand breaks. …”
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  3. 23

    Evaluation of the cytogenetic and genotoxic effects of an abamectin-based pesticide on Allium cepa roots by Ili Pinar, Sari Fikret

    Published 2024-01-01
    “…Chromosomal aberration (CA) frequencies in the dividing cells and comet data were used for genotoxicity assessment. …”
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  4. 24

    Young Cuban Patients with a Clinical and biochemical Diagnosis of Xeroderma Pigmentosum by Judith Beatriz Pupo Balboa, Mónica Marín García, Anamarys Pandolfi Blanco, Lucía Fariñas Rodríguez, Paulina Araceli Lantigua Cruz

    Published 2024-08-01
    “…<strong>Foundation:</strong> skin cancer is a complication of xeroderma pigmentosum; early diagnosis is important. The alkaline comet assay with ultraviolet C radiation and the western blot assay are useful for diagnosis. …”
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    Article
  5. 25

    Genotoxic Potential and Physicochemical Parameters of Sinos River, Southern Brazil by Madalena C. S. Scalon, Ciliana Rechenmacher, Anna Maria Siebel, Michele L. Kayser, Manoela T. Rodrigues, Sharbel W. Maluf, Marco Antonio S. Rodrigues, Luciano Basso da Silva

    Published 2013-01-01
    “…The present study aimed to evaluate the physicochemical parameters and the genotoxic potential of water samples collected in the upper, middle, and lower courses of the Sinos River, southern Brazil. The comet assay was performed in the peripheral blood of fish Hyphessobrycon luetkenii exposed under laboratory conditions to water samples collected in summer and winter in three sampling sites of Sinos River. …”
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  6. 26

    Cytotoxicity and genotoxicity of orthodontic bands after aging: an in-vitro study by Maryam Karandish, Bahar Khademi, Golnaz Ziaei, Nasrollah Erfani, Leila Moezi, Zahra Faghih

    Published 2025-01-01
    “…Regarding genotoxicity, DNA damage was evident for both brands at pH = 4.5, however, AO molar bands demonstrated longer comet tails compared to 3 S-dental molar bands. AO molar bands was also showed relatively DNA destruction at pH 7.4, while no genotoxicity was for 3 S-dental molar bands. …”
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  7. 27
  8. 28

    Grand canyons on the Moon by David A. Kring, Danielle P. Kallenborn, Gareth S. Collins

    Published 2025-02-01
    “…Here we use photogeologic mapping of those canyons and related impact ejecta deposits to show the trajectory of the impacting asteroid or comet, which produced an asymmetrical pattern of crater excavation and transport of ejected debris. …”
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  9. 29

    Genotoxicity Studies of Titanium Dioxide Nanoparticles (TiO2NPs) in the Brain of Mice by Hanan R. H. Mohamed, Nahed A. Hussien

    Published 2016-01-01
    “…The present results report that exposure to TiO2NPs produces mild to moderate changes in the cytoarchitecture of brain tissue in a time dependent manner. Moreover, Comet assay revealed the apoptotic DNA fragmentation, while PCR-SSCP pattern and direct sequencing showed point mutation of Presenilin 1 gene at exon 5, gene linked to inherited forms of the Alzheimer’s disease. …”
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  10. 30

    Genotoxicity Biomarkers Study in Agricultural Workers Exposed to Pesticides: a Systematic Review by Edisson Vladimir Maldonado Mariño, Darío Orlando Siza Saquinga, Diego Eduardo Guato Canchinia, Alexander Javier Ramos Velastegui

    Published 2024-11-01
    “…Among the most commonly used biomarkers to determine the impact are: the comet assay and the cytokinesis blocking micronucleus assay, in addition, some specific ones at the genetic level were used, such as the polymerase chain reaction. …”
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    Article
  11. 31

    Cardiac-Autonomic Imbalance and Baroreflex Dysfunction in the Renovascular Angiotensin-Dependent Hypertensive Mouse by Bianca P. Campagnaro, Agata L. Gava, Silvana S. Meyrelles, Elisardo C. Vasquez

    Published 2012-01-01
    “…We show recent data from the angiotensin-dependent hypertensive mouse demonstrating DNA damage and oxidative stress using the comet assay and flow cytometry, respectively. Finally, we highlight the relationships between angiotensin and peripheral and central nervous system areas of cardiovascular control and oxidative stress in the 2K1C hypertensive mouse.…”
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  13. 33

    Effects of Pesticides on Occupationally Exposed Humans by Stylianos M. Piperakis, Konstantina Kontogianni, Michael M. Piperakis, Ricardo Marcos, Smaragdi Tsilimigaki

    Published 2006-01-01
    “…In this study, we employed the Comet assay to examine DNA damage in peripheral blood lymphocytes (PBLs) from 64 greenhouse workers from Almería in south-eastern Spain in comparison to PBLs from 50 men from the same area but not engaged in any agricultural work. …”
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  14. 34

    Mapping the social-ecological suitability of agroforestry in the US Midwest by Sarah E Castle, Daniel C Miller, Chloe B Wardropper

    Published 2025-01-01
    “…We show that integrating social and economic factors dramatically shifted priorities compared to an environmental-only suitability assessment. Using COMET-Planner, we estimated that expanding agroforestry to the top 5% most suitable land from our analysis (totaling 18.3 million acres) has the potential to store 43 [29–58] Mt of CO _2 e per year over the business-as-usual scenario. …”
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  15. 35

    Radiosensitivity and Induction of Apoptosis by High LET Carbon Ion Beam and Low LET Gamma Radiation: A Comparative Study by Atanu Ghorai, Nitai P. Bhattacharyya, Asitikantha Sarma, Utpal Ghosh

    Published 2014-01-01
    “…The aim of our study was to compare the radiosensitivity and induction of apoptosis by high LET 12C and low LET gamma radiation in HeLa and PARP-1 knocked down cells. We did comet assay to detect DNA breaks, clonogenic survival assay, and cell cycle analysis to measure recovery after DNA damage. …”
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  16. 36

    Cytotoxicity and Genotoxicity of Biogenic Silver Nanoparticles in A549 and BEAS-2B Cell Lines by Musthahimah Muhamad, Nurhidayah Ab.Rahim, Wan Adnan Wan Omar, Nik Nur Syazni Nik Mohamed Kamal

    Published 2022-01-01
    “…The cytotoxicity profiles of AgNPs-GA were characterized by MTT assay, intracellular reactive oxygen species (ROS) assay, and DAPI and AOPI double staining, whilst genotoxicity was assessed using Comet Assay analysis. The level of silver ions (Ag+) and cellular uptake of AgNPs-GA were evaluated by ICP-OES and TEM analyses, respectively. …”
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  17. 37

    Assessment of Protective Effects of Carvacrol on Haloperidol-Induced Oxidative Stress and Genotoxicity in Human Peripheral Blood Lymphocytes by Ehsan Zamani, Alireza Ahmadi Shad, Hediye Fatemi, Saba Mahboubi, Azadeh Motavallian, Mehdi Evazalipour

    Published 2022-01-01
    “…After 24 hours of treatment, we conducted a cytokinesis-Block micronucleus test and an alkaline comet assay in order to determine genetic damage. …”
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    Exploring the Complex Heliotail Boundary by an Extended Level Set Approach by C. Onubogu, M. Opher, M. Kornbleuth, G. Tóth, V. Florinski

    Published 2025-01-01
    “…Studies have shown that the heliotail may be “comet-like,” extending for thousands of au. Some previous works defined the heliopause using magnetohydrodynamic variables, which only serve as an approximation to capture the heliopause in all directions. …”
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  20. 40

    DNA Damage and Augmented Oxidative Stress in Bone Marrow Mononuclear Cells from Angiotensin-Dependent Hypertensive Mice by Bianca P. Campagnaro, Clarissa L. Tonini, Breno V. Nogueira, Dulce E. Casarini, Elisardo C. Vasquez, Silvana S. Meyrelles

    Published 2013-01-01
    “…The current study was performed to examine the effects of angiotensin-II-dependent hypertension in bone marrow mononuclear cells (BM-MNC); dihydroethidium staining was used to assess reactive oxygen species (ROS) production, and the comet assay was used to assess DNA fragmentation in 2K1C hypertensive mice 14 days after renal artery clipping. …”
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    Article