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Displaying 276 - 300 of 2289

Biomarkers of oxidatively induced DNA damage in dreissenid mussels: An ecosystem health assessment tool for the Laurentian Great Lakes

June 1, 2017
Author(s)
Pawel Jaruga, Erdem Coskun, M Miral Dizdar, W. E. Johnson, Kimani Kimbrough
… alterations of cellular components. We set out to measure oxidatively induced DNA damage in the soft tissues of … isotope dilution, we identified and quantified numerous oxidatively modified DNA bases and … Biomarkers of oxidatively induced DNA damage in dreissenid mussels: An …

Oxidatively Induced DNA Damage and Cancer

December 31, 2012
Author(s)
M Miral Dizdar
… Endogenous and exogenous sources cause oxidatively induced DNA damage in living organisms by a … to genetic instability, which a hallmark of cancer. Oxidatively induced DNA damage is repaired in living cells by … overlapping substrate specificities for removal of oxidatively induced DNA lesions. Recent evidence suggests …

The Cockayne Syndrome Group B Gene Product is Involved in General Genome Base Excision Repair of 8-hydroxyguanine in DNA

December 7, 2001
Author(s)
J Tuo, M Muftuoglu, C Chen, Pawel Jaruga, R R. Selzer, R M. Brosh, H Rodriguez, Miral M. Dizdar, V. Bohr
… We find that CSB null and helicase motif V and VI and VI mutants had greater sensitivity than wild type cells to … γ-radiation. Whole cell extracts from CSB null and motif V/VI mutants had lower activity of 8-hydroxyguanine incision in …

Substrate Specificities and Excision Kinetics of DNA Glycosylases Involved in Base-Excision Repair of Oxidative DNA Damage

July 1, 2003
Author(s)
M. Dizdaroglu
… integrity. DNA damage by free radicals, also called oxidative DNA damage, is mainly repaired by base-excision … have been elucidated. Most of the known products of oxidative damage to DNA are substrates of DNA glycosylases … gas chromatography, mass spectrometry, modified DNA bases, oxidative DNA damage, Oxygen-derived species …

Repair of Oxidatively Induced DNA Damage by DNA Glycosylases

February 16, 2017
Author(s)
M Miral Dizdar, Erdem Coskun, Pawel Jaruga
… Endogenous and exogenous reactive species cause oxidatively induced DNA damage in living organisms by a … Oxidatively induced DNA damage, DNA repair, DNA glycosylases, … Repair of Oxidatively Induced DNA Damage by DNA Glycosylases …

Impact of the Trapping of Anode Hot Holes on Silicon Dioxide Breakdown

November 1, 2002
Author(s)
Eric M. Vogel, Da-Wei Heh, J B. Bernstein
… of trapped holes does not affect the breakdown of the oxide. Furthermore, as the temperature during stress is … is observed whereas the charge-to-breakdown of the oxide is decreased. The results show that although the … breakdown, holes, MOS, oxide, reliability, traps …

New Vision-Based Approach for Navigation

November 1, 1991
Author(s)
H Yakali, Daniel Raviv, Martin Herman
… Advances in Intelligent Robotics Systems: Mobile Robots VI … Advances in Intelligent Robotics Systems: Mobile Robots VI Vol. 1613 (Boston) …

Spectroscopic Determination of the Atomic f-Electron Symmetry Underlying Hidden Order in URu 2 Si 2

June 9, 2015
Author(s)
L. Andrew Wray, Jonathan Denlinger, Shih-Wen Huang, Haowei He, Nicholas Butch, M. Brian Maple, Zahid Hussain, Yi-De Chuang
… and resonant inelastic X-ray scattering at the uranium O-edge are used to resolve features representing the … and correlated wavefunction symmetry of electrons on uranium. The resonance profiles of both techniques show that uranium f-electrons predominantly project on the 5f 2 J=4 …

Surface Oxidation as a Diffusion Barrier for Al Deposited on Ferromagnetic Metals

May 1, 2001
Author(s)
William F. Egelhoff Jr., P J. Chen, Robert D. McMichael, Cedric J. Powell, R Deslattes, F G. Serpa, Romel Gomez
… Incidence X-ray Reflectometry (GIXR) to study surface oxidation as a diffusion barrier for Al deposited on … Au with X = (Co, Fe, Ni and NiFe) were studied. Surface oxidation was achieved by exposing the newly deposited … and analyzed. We find that in general the surface oxidation reduces the diffusion of Al into the ferromagnetic …

Multi-Component Fe-Ni Oxide Nanocatalysts for Oxygen Evolution and Methanol Oxidation Reactions under Alkaline Conditions

November 29, 2016
Author(s)
Stephanie L. Candelaria, Nicholas M. Bedford, Taylor J. Woehl, Nikki S. Rentz, Allison R. Showalter, Svitlana Pylypenko, Bruce A. Bunker, Sungsik Lee, Benjamin Reinhart, Yang Ren, S P. Ertem, E. B. Coughlin, Nicholas A. Sather, James L. Horan, Andrew M. Herring, Lauren F. Greenlee
… of water for hydrogen generation and the electrochemical oxidation of alternative fuels such as methanol for alkaline … nickel has exhibited high activity for methanol oxidation, particularly when in the form of a bimetallic … show enhanced catalytic activity for both OER and methanol oxidation under alkaline conditions. At 1 mA/cm2, the …

Strong Ferromagnetism Achieved via Breathing Lattices in Atomically Thin Cobaltites

January 27, 2021
Author(s)
Sisi Li, Qinghua Zhang, Shan Lin, Xiahan Sang, Ryan F. Need, Manuel A. Roldan, Wenjun Cui, Zhiyi Hu, Qiao Jin, Shuang Chen, Jiali Zhao, Jia-Ou Wang, Jiesu Wang, Meng He, Chen Ge, Can Wang, Hui-Bin Lu, Zhenping Wu, Haizhong Guo, Xin Tong, Tao Zhu, Brian Kirby, Lin Gu, Kui-juan Jin, Er-Jia Guo
… oxide films, magnetism …

Controlled Potential Electrooxidation of Genomic DNA

January 11, 2018
Author(s)
Vytautas Reipa, Donald H. Atha, Sanem Hosbas Coskun, Christopher M. Sims, Bryant C. Nelson
Exposure of mammalian cells to oxidative stress can result in DNA damage that adversely affects many cell processes. We used bulk electrolysis in an electrochemical system and gas chromatographic mass spectrometric analysis (GC/MS/MS) to control and

Atomic Origin of the Autocatalytic Reduction of Monoclinic CuO in a Hydrogen Atmosphere

September 27, 2021
Author(s)
Xianhu Sun, Dongxiang Wu, Wenhui Zhu, Xiaobo Chen, Renu Sharma, Judith Yang, Guangwen Zhou
… redox reactions but probing microscopic processes of oxide reduction is challenging as 18 the insulating nature of … restricts ion and electron spectroscopic measurements of oxide 19 surfaces. Herein, using a combination of … of O 25 vacancies in the surface and subsurface of the oxide, thereby leading to the self-accelerated oxide 26 …
Displaying 276 - 300 of 2289
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