Academic literature on the topic 'Radical quantification'
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Journal articles on the topic "Radical quantification"
Schwarz-Selinger, T., V. Dose, W. Jacob, and A. von Keudell. "Quantification of a radical beam source for methyl radicals." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 19, no. 1 (January 2001): 101–7. http://dx.doi.org/10.1116/1.1326939.
Full textGardner, Jonathan M., and Steven D. Aust. "Quantification of hydroxyl radical produced during phacoemulsification." Journal of Cataract & Refractive Surgery 35, no. 12 (December 2009): 2149–53. http://dx.doi.org/10.1016/j.jcrs.2009.06.030.
Full textCho, Eun Chul, Ju A. La, Sora Lim, and Ji Eun Song. "Gold/Silver-Polymer Hybrid Nanostructures as Thermoreversible Optical Sensors and Probes for the Quantification Radical Compounds." MRS Proceedings 1802 (2015): 41–44. http://dx.doi.org/10.1557/opl.2015.833.
Full textBlakley, Richard L., Dwight D. Henry, Walter T. Morgan, William L. Clapp, Carr J. Smith, and David Barr. "Quantitative Electron Paramagnetic Resonance: The Importance of Matching the Q-Factor of Standards and Samples." Applied Spectroscopy 55, no. 10 (October 2001): 1375–81. http://dx.doi.org/10.1366/0003702011953504.
Full textMorgan, Christopher G., Mark M. Gleason, and Ronald Vane. "Quantification of Contaminant Removal by Evactron Cleaning Using Quartz Crystal Thickness Monitors." Microscopy Today 15, no. 5 (September 2007): 22–25. http://dx.doi.org/10.1017/s1551929500061198.
Full textRutely C., Burgos Castillo, Fontmorin Jean-M., Tang Walter Z., Dominguez-Benetton Xochitl, and Sillanpää Mika. "Towards reliable quantification of hydroxyl radicals in the Fenton reaction using chemical probes." RSC Advances 8, no. 10 (2018): 5321–30. http://dx.doi.org/10.1039/c7ra13209c.
Full textICHIKAWA, Kazuhiro, Sang-Kuk HAN, and Hideo UTSUMI. "Quantification of hydroxyl radical during ozonation in batch system." Journal of Japan Society on Water Environment 22, no. 11 (1999): 921–25. http://dx.doi.org/10.2965/jswe.22.921.
Full textHu, Na, and Sarah A. Green. "Acetyl radical generation in cigarette smoke: Quantification and simulations." Atmospheric Environment 95 (October 2014): 142–50. http://dx.doi.org/10.1016/j.atmosenv.2014.06.027.
Full textGoyal, Parveen Kumar, Santosh Kumar Verma, and Anil Kumar Sharma. "Quantification of Total Phenolic and Flavonoid Contents, and Evaluation of Free Radical Scavenging Potential of Vernonia cinerea." Asian Pacific Journal of Health Sciences 4, no. 3 (September 30, 2017): 279–87. http://dx.doi.org/10.21276/apjhs.2017.4.3.42.
Full textKoshiishi, Ichiro, Kazunori Tsuchida, Tokuko Takajo, and Makiko Komatsu. "Quantification of lipid alkyl radicals trapped with nitroxyl radical via HPLC with postcolumn thermal decomposition." Journal of Lipid Research 46, no. 11 (August 16, 2005): 2506–13. http://dx.doi.org/10.1194/jlr.d500006-jlr200.
Full textDissertations / Theses on the topic "Radical quantification"
Nascimento, Roberto Jefferson Bezerra do. "Desenvolvimento de método de quantificação dos constituintes fenólicos e ação anti-radical de vinhos tintos nacionais e importados." Universidade Federal da Paraíba, 2010. http://tede.biblioteca.ufpb.br:8080/handle/tede/6694.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
Resveratrol (cis and trans) and quercetin are important components in ensuring the quality of wine because of the diversity of biological activities that they have. Studies quantifying these constituents in Brazilian wines are rarely reported in the literature, especially in wines from the Vale Submédio do São Francisco. The objectives of this work were to develop and validate a quantification method for cis-resveratrol, trans-resveratrol, total resveratrol and quercetin by HPLC-UV in red wines, to evaluate and correlate the levels of total phenolics by Folin-Ciocalteu method with the anti-radical activity determined usingm the DPPH radical method and to determine the potential for classification of wines from their chromatographic profiles. In the study 45 samples of red wines were analysed. From these, 30 samples were from Brazilian wines:15 of the Vale Submédio do São Francisco, 11 of Serra Gaucha and 4 of Campanha Gaucha. There were 15 samples of imported wines: 5 from Argentina, 5 from Chile and 5 from French. The method developed for quantification of resveratrol (cis and trans) and quercetin was validated andused in the quantification. The results showed that Brazilian wines have about nine times more cis-resveratrol than trans-resveratrol and this relationship is even more pronounced in the Vale do São Francisco, with about 17 times more cis-resveratrol than trans-resveratrol in red wines from this region. The French wines presented quercetin in an amount above the rest of the wine samples. It was also observed that the wines from the Vale do São Francisco had higher levels of total resveratrol, significantly higher than imported wines, with p=0.0381. The total phenolics content was markedly higher in the wines from the Vale do São Francisco in relation to wines from the South, with p=0.001. The study of anti-radical activity against the DPPH radical showed that all wines are active, with EC50<130 μg/mL. In the study of the chromatographic profiles of the wines four distinct groupings among the wines were found, with 87% of the samples from the Vale do São Francisco, 80% of Chileans wines, 60% of the Serra Gaucha wines and 55% of French wines. Taken toghether the results show that Brazilian wines presented high level of phenolics, especially the wines from Vale do Submédio do São Francisco. This is translated into high levels of bioactive substances such as resveratrol (cis and trans) and quercetin, as well the high antioxidant activity. The high intensity of solar light in Brazil, mainly in the Vale do São Francisco, may have been the main factor contributing to the high content of these constituents, thus contributing to the high degree of grouping shown by the wines of this region using multivariate analysis.
O resveratrol (cis e trans) e quercetina são componentes de grande importância na garantia da qualidade do vinho, devido à diversidade de atividades biológicas que eles possuem. Estudos de quantificação destes constituintes em vinhos brasileiros são pouco relatados na literatura, especialmente nos vinhos do Vale Submédio do São Francisco. Os objetivos deste trabalho foram desenvolver e validar um método de quantificação do cis-resveratrol, trans-resveratrol, resveratrol total e quercetina por CLAE-UV/Vis em vinhos tintos, avaliar e correlacionar os teores de fenólicos totais pelo método de Folin-Ciocalteu com a atividade anti-radicalar, frente ao radical DPPH e determinar o potencial de classificação dos vinhos a partir dos perfis cromatográficos. Para execução do trabalho foram analisadas 45 amostras de vinhos tintos, sendo 30 brasileiros das regiões do Vale Submédio do São Francisco (15), Serra Gaúcha (11) e Campanha Gaúcha (4), e 15 importados: argentinos (5), chilenos (5) e franceses (5). O método desenvolvido para quantificação de resveratrol isômeros (cis e trans) e quercetina apresentou dados e características suficientemente bons para ser validado e utilizado no processo de quantificação. Os resultados obtidos demonstraram que os vinhos brasileiros possuem cerca de 9 vezes mais cis-resveratrol que trans-resveratrol, esta relação é ainda mais pronunciada na região do Vale Submédio do São Francisco, sendo cerca de 17 vezes mais cis do que trans. Os vinhos franceses apresentaram quercetina em quantidade superior ao restante dos conjuntos amostrais de vinhos. Foi observado também que os vinhos do Vale Submédio do São Francisco possuem teores de resveratrol total, significativamente superiores aos vinhos importados, com p=0,0381. O teor de fenólicos totais foi marcadamente superior nos vinhos do Vale Submédio do São Francisco em relação aos vinhos da região Sul, com p=0,001. O estudo de atividade anti-radicalar frente ao radical DPPH demonstrou que todos os vinhos são ativos, com CE50 <130 μg/mL. No estudo do perfil cromatográfico dos vinhos foram determinados quatro agrupamentos distintos, sendo 87 % entre os vinhos do Vale Submédio do São Francisco, 80 % entre os chilenos, 60 % entre os da Serra Gaúcha e 55 % entre os vinhos franceses. Os estudos realizados com os vinhos revelaram resultados que posicionam os vinhos brasileiros, especialmente os vinhos da região do Vale Submédio do São Francisco, em um elevado patamar em termos de qualidade. Isto é corroborado pelos elevados teores de substâncias bioativas tais como o resveratrol (isômeros cis e trans) e quercetina, bem como o elevado teor de fenólicos totais e alta atividade anti-radicalar. A alta intensidade de insolação no Brasil, principalmente na região do Vale Submédio do São Francisco, pode ter sido o principal fator a contribuir para elevação do teor destes constituintes, contribuindo, desta forma, para um elevado grau de agrupamento dos vinhos desta região por análise multivariada.
Nabokoff, Pierre. "Synthèses de précurseurs organiques de radicaux hétéroatomiques pour la préparation de matériaux hybrides." Electronic Thesis or Diss., Aix-Marseille, 2020. http://theses.univ-amu.fr.lama.univ-amu.fr/201218_NABOKOFF_575sxytx526xlluw827l449jumhkc_TH.pdf.
Full textThe aim of this work was to investigate the influence of the nanocofinement on the behaviour of organic substrates embedded in mesoporous silicas. This research hinged on two parts. The first study focused on the efficiency of the fragmentation reaction of confined alkoxyamines, under thermal or photochemical activation. Thanks to the comparison with the very same reactions in solution, the quantitative EPR measurements showed that the confinement of organic precursors had no effect on the efficiency of these reactions. Secondly, organic-inorganic hybrid materials were synthesized. These mesoporous silicas were functionalized with diazene radical precursors. Upon 360 nm irradiation, they generated heteroatomic radicals. Different materials were prepared, including one which enabled to form a face-to-face pair of different radicals, i.e. an aryloxyl radical in front of an arylsulfanyl radical. Studies carried out by continuous and pulsed wave EPR enabled to highlight the high stability of these confined paramagnetic species and to measure their relaxation times
Gilles, Manon. "Quantification des espèces radicalaires produites en présence de nanoparticules d’or soumises à un rayonnement ionisant." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112120/document.
Full textTo improve radiotherapy efficiency, radiosensitizers such as gold nanoparticles (GNP) are developed. But to translate them to clinics, a good knowledge of the processes at stage is needed. GNP radiosensitizing effect was well-confirmed on biological targets (DNA, cells and in vivo) and hydroxyl radicals are often proposed to be key intermediates, but no clear evidence has been given yet. In this work, we first developed a ‘reference’ protocol to quantify hydroxyl radicals and electrons produced by GNP in their interaction with ionizing radiation. These investigations reveal a massive production of both species for non-functionalized GNP. Moreover the study of various parameters such as the concentration of dissolved dioxygen or the energy of the incident radiation leads us to propose a new mechanism on the origin of the radiosensitizing effect. Nevertheless, biological applications of GNP can only be considered if the nano-objects are functionalized to make them furtive, address them or deliver medicines to the tumor. After synthesis and characterization of different functionalized GNP, we compared hydroxyl radicals production with the damages induced on DNA and highlighted a significant impact of functionalization on the radiosensitizing effect. Finally, this work gives valuable information for the design of the most efficient GNP for radiotherapy which is a first step towards their medical application
Eliet-Barois, Sophie. "Détection, quantification et cinétique TéraHertz de molécules d'intérêt atmosphérique." Phd thesis, Université du Littoral Côte d'Opale, 2013. http://tel.archives-ouvertes.fr/tel-00957068.
Full textOTTONELLO, ANDREA. "Application of Uncertainty Quantification techniques to CFD simulation of twin entry radial turbines." Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1046507.
Full textThe main topic of the thesis is the application of uncertainty quantification (UQ) techniques to the numerical simulation (CFD) of twin entry radial turbines used in automotive turbocharging. The detailed study of this type of turbomachinery is addressed in chapter 3, aimed at understanding the main parameters which characterize and influence the fluid dynamic performance of twin scroll turbines. Chapter 4 deals with the development of an in-house platform for UQ analysis through ‘Dakota’ open source toolset. The platform was first tested on a test case of industrial interest, i.e. a supersonic de Laval nozzle (chapter 5); the analysis highlighted the practical use of uncertainty quantification techniques in predicting the performance of a nozzle affected by off-design conditions with fluid dynamic complexity due to strong non-linearity. The experience gained with the UQ approach facilitated the identification of suitable methods for applying the uncertainty propagation to the CFD simulation of twin entry radial turbines (chapter 6). In this case different uncertainty quantification techniques have been investigated and put into practice in order to acquire in-depth experience on the current state of the art. The comparison of the results coming from the different approaches and the discussion of the pros and cons related to each technique led to interesting conclusions, which are proposed as guidelines for future uncertainty quantification applications to the CFD simulation of radial turbines. The integration of UQ models and methodologies, today used only by some academic research centers, with well established commercial CFD solvers allowed to achieve the final goal of the doctoral thesis: to demonstrate to industry the high potential of UQ techniques in improving, through probability distributions, the prediction of the performance relating to a component subject to different sources of uncertainty. The purpose of the research activity is therefore to provide designers with performance data associated with margins of uncertainty that allow to better correlate simulation and real application. Due to confidentiality agreements, geometrical parameters concerning the studied twin entry radial turbine are provided dimensionless, confidential data on axes of graphs are omitted and legends of the contours as well as any dimensional reference have been shadowed.
Harish, Harish [Verfasser], and Hendrik [Akademischer Betreuer] Zipse. "Structure and stability of radicals and quantification of electrophilic reactivity / Harish Harish ; Betreuer: Hendrik Zipse." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2019. http://d-nb.info/1178324176/34.
Full textZhao, Xuandong. "A study of Quantification of Aortic Compliance in Mice using Radial Acquisition Phase Contrast MRI." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1273001921.
Full textVenegas, Julianna Marie Cebollero. "Photochemistry studies in snow and ice quantification of hydroxyl radicals and degradation of persistent organic pollutants /." Click here for download, 2009. http://proquest.umi.com/pqdweb?did=1827193651&sid=1&Fmt=2&clientId=3260&RQT=309&VName=PQD.
Full textZou, Aihong. "Uncertainty quantification in high-density fluid radial-inflow turbo-expanders and diffusers for renewable low-grade temperature cycles." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/128481/1/Aihong_Zou_Thesis.pdf.
Full textRanchon, Isabelle. "La photodegenerescence retinienne : quantification d'un modele et place des radicaux libres dans le processus degeneratif (doctorat : biophysique sensorielle)." Clermont-Ferrand 1, 1999. http://www.theses.fr/1999CLF1PP01.
Full textBooks on the topic "Radical quantification"
Bentley, Michael. British Historical Writing. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199225996.003.0015.
Full textSlavin, Tanya. Verb stem formation and event composition in Oji-Cree. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198778264.003.0012.
Full textBook chapters on the topic "Radical quantification"
Bell, David M., Manuela Cirtog, Jean-François Doussin, Hendrik Fuchs, Jan Illmann, Amalia Muñoz, Iulia Patroescu-Klotz, Bénédicte Picquet-Varrault, Mila Ródenas, and Harald Saathoff. "Preparation of Experiments: Addition and In Situ Production of Trace Gases and Oxidants in the Gas Phase." In A Practical Guide to Atmospheric Simulation Chambers, 129–61. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22277-1_4.
Full textGrintzalis, Konstantinos, Ioannis Papapostolou, and Christos Georgiou. "Protocol for the In Vivo Quantification of Superoxide Radical in Fungi." In Laboratory Protocols in Fungal Biology, 259–64. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-2356-0_20.
Full textSamuel, Boris. "The Shifting Legitimacies of Price Measurements: Official Statistics and the Quantification of Pwofitasyon in the 2009 Social Struggle in Guadeloupe." In The New Politics of Numbers, 337–77. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78201-6_11.
Full textMakkar, Harinder P. S. "Radial Diffusion Assay." In Quantification of Tannins in Tree and Shrub Foliage, 73–74. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-0273-7_10.
Full textMari, Luca, Mark Wilson, and Andrew Maul. "Philosophical Perspectives on Measurement." In Springer Series in Measurement Science and Technology, 81–121. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-22448-5_4.
Full textPovinelli, Elizabeth A. "Variations of Bodies in Motion and Relation." In Porous Becomings, 117–33. Duke University Press, 2024. http://dx.doi.org/10.1215/9781478059318-007.
Full textWilliams, J. Robert G. "Radical Interpretation and the Logical Form of Thoughts." In The Metaphysics of Representation, 36–58. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198850205.003.0003.
Full textSimmons, Katrina, Joshua S. Martin, Inna Shcherbakova, and Alain Laederach. "Rapid Quantification and Analysis of Kinetic •OH Radical Footprinting Data Using SAFA." In Methods in Enzymology, 47–66. Elsevier, 2009. http://dx.doi.org/10.1016/s0076-6879(09)68003-4.
Full textEsmark, Anders. "Technocratic Calculation: Economy, Evidence and Experiments." In The New Technocracy, 173–202. Policy Press, 2020. http://dx.doi.org/10.1332/policypress/9781529200874.003.0007.
Full textITOH, M., H. WATABE, M. MIYAKE, S. HAGISAWA, T. FUJIWARA, R. IWATA, T. IDO, and T. NAKAMURA. "Noninvasive Determination of Arterial Input of 15O Tracers, Using a Dual Cutaneous β-Detector Set above the Radial Artery." In Quantification of Brain Function Using PET, 67–71. Elsevier, 1996. http://dx.doi.org/10.1016/b978-012389760-2/50016-5.
Full textConference papers on the topic "Radical quantification"
Lupaescu, Ancuta-Veronica, Nicoleta Flutur, Brindusa-Alina Petre, Monica Iavorschi, and Florin Ursachi. "ENHANCING THE ANTIOXIDANT ACTIVITY OF CHAMOMILE: EXPLORING THE IMPACT OF ULTRASOUND ON PROTEIN EXTRACTION." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/6.2/s25.20.
Full textGrönstedt, Tomas, Mohammad Irannezhad, Xu Lei, Oskar Thulin, and Anders Lundbladh. "First and Second Law Analysis of Future Aircraft Engines." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95516.
Full textDurocher, Antoine, Philippe Versailles, Gilles Bourque, and Jeffrey M. Bergthorson. "Uncertainty Quantification of NOx Emissions Induced Through the Prompt Route in Premixed Alkane Flames." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75579.
Full textKwiecien, Janusz. "Accuracy Test of Laser Tracker under Condition of Air Turbulence." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.211.
Full textLohrmann, Martin, Horst Bu¨chner, Nikolaos Zarzalis, and Werner Krebs. "Flame Transfer Function Characteristics of Swirl Flames for Gas Turbine Applications." In ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/gt2003-38113.
Full textKatzy, Peter, Lorenz R. Boeck, Josef Hasslberger, and Thomas Sattelmayer. "Application of High-Speed OH-PLIF Technique for Improvement of Lean Hydrogen-Air Combustion Modeling." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60130.
Full textHennebelle, Marie, Dharma Kodali, Jianli Wang, and John Van Duynhoven. "Quantitative assessment of epoxide formation in bulk oil and mayonnaise by 1H-13C HSQC NMR spectroscopy." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/ndzl9672.
Full textSeptiana, Lina, Wen-Chen Lin, Sheng-Cheng Huang, and Kang-Ping Lin. "A quantification method for radial artery pulsation device." In 2014 International Symposium on Bioelectronics and Bioinformatics (ISBB). IEEE, 2014. http://dx.doi.org/10.1109/isbb.2014.6820922.
Full textOkada, Kiyotaka, Kazuki Oishi, Shintaro Kodama, Douyan Wang, and Takao Namihira. "Quantification of OH radicals generated by nanosecond pulsed discharge plasma." In 2019 IEEE Pulsed Power & Plasma Science (PPPS). IEEE, 2019. http://dx.doi.org/10.1109/ppps34859.2019.9009980.
Full textShiraki, Daichi, and Nozomi Takeuchi. "Accurate quantification of hydroxyl radicals produced by plasma using disodium terephthalate solution." In 2016 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2016. http://dx.doi.org/10.1109/plasma.2016.7534385.
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