Letteratura scientifica selezionata sul tema "Active oxygen"

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Articoli di riviste sul tema "Active oxygen"

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Yoshikawa, Toshikazu, Toru Tanigawa, and Motoharu Kondo. "Active oxygen species." Ensho 8, no. 6 (1988): 511–16. http://dx.doi.org/10.2492/jsir1981.8.511.

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SANAKA, TSUTOMU. "Active oxygen hypothesis." Journal of Japanese Society for Dialysis Therapy 24, no. 3 (1991): 283–87. http://dx.doi.org/10.4009/jsdt1985.24.283.

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OHNO, Hideki, Shuji OH-ISHI, and Takako KIZAKI. "Exercise and Active Oxygen." Kagaku To Seibutsu 33, no. 8 (1995): 520–27. http://dx.doi.org/10.1271/kagakutoseibutsu1962.33.520.

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Pryor, W. A. "Active oxygen in biochemistry." Free Radical Biology and Medicine 21, no. 7 (January 1996): 1011. http://dx.doi.org/10.1016/s0891-5849(96)00287-0.

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KANEGASAKI, Shiro. "Leukocytes and active oxygen." Nippon Saikingaku Zasshi 47, no. 5 (1992): 671–78. http://dx.doi.org/10.3412/jsb.47.671.

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MIYAZAWA, TERUO. "Generation, elimination and effects of active oxygen.1.Active oxygen and lipid." Kagaku To Seibutsu 29, no. 12 (1991): 798–806. http://dx.doi.org/10.1271/kagakutoseibutsu1962.29.798.

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KAWAGISHI, TOSHIAKI. "Generation, erasure and effects of active oxygen.(3).Active oxygen and protein." Kagaku To Seibutsu 30, no. 2 (1992): 122–29. http://dx.doi.org/10.1271/kagakutoseibutsu1962.30.122.

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INOUE, MASAYASU. "Generation, disappearance, and effect of active oxygen.4.Active oxygen and diseases." Kagaku To Seibutsu 30, no. 3 (1992): 184–90. http://dx.doi.org/10.1271/kagakutoseibutsu1962.30.184.

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KASHIMURA, NAOKI. "Generation, elimination and effects of active oxygen.2.Active oxygen and carbohydrate." Kagaku To Seibutsu 30, no. 1 (1992): 40–49. http://dx.doi.org/10.1271/kagakutoseibutsu1962.30.40.

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KUNINORI, Toyo. "Damage of protein by active oxygen. Interaction of food proteins with active oxygen." Journal of the agricultural chemical society of Japan 62, no. 7 (1988): 1120–23. http://dx.doi.org/10.1271/nogeikagaku1924.62.1120.

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Tesi sul tema "Active oxygen"

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Gutowski, Mariusz. "Molecular detection and characterisation of biologically relevant free radicals during surgical ischaemia-reperfusion." Thesis, University of South Wales, 2011. https://pure.southwales.ac.uk/en/studentthesis/molecular-detection-and-charcaterisation-of-biologically-relevant-free-radicals-during-surgical-ischaemiareperfusion(016f6447-5d02-45f7-a543-8b880148dc23).html.

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Oxygen is one of the most important molecules in human beings. Our research is focused on how the human body can respond and adapt to the physiological challenge posed by a lack of oxygen. Ascorbic acid (Vitamin C) is one of the most important and considered the most effective water-soluble, chain-breaking antioxidant in human plasma, with the capacity to prevents damage by free radicals. This thesis presents four studies investigating the phenomenon of Reactive Oxygen Species (ROS) generation in the many different surgical conditions in the animal and in the human. Study one investigated the
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Sun, Zhenning. "Studies on fluorescent probes for the specific detection of reactive oxygen species and reactive nitrogen species in living cells." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36845395.

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Gabe, Atsushi. "Understanding of Carbon Active Sites for Oxygen Reduction Reaction." Doctoral thesis, Universidad de Alicante, 2018. http://hdl.handle.net/10045/87127.

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Este trabajo de Tesis Doctoral se ha centrado en comprender el comportamiento de electrocatalizadores basados en materiales carbonosos para la reacción de reducción de oxígeno. Con el fin de profundizar en el conocimiento de la naturaleza de los sitios activos de catalizadores basados en materiales carbonosos para esta reacción, se han seleccionado o preparado muestras con diferentes composiciones, texturas porosas y estructuras. De estos resultados se han conseguido importantes avances en el conocimiento del papel que los sitios activos de catalizadores basados en materiales carbonosos desemp
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Johansson, Kristin. "Oxygen-reducing enzymes in coatings and films for active packaging." Doctoral thesis, Karlstads universitet, Institutionen för ingenjörs- och kemivetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-28749.

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Oxygen scavengers are used in active packages to protect the food against deteriorative oxidation processes. The aim of this work was to investigate the possibilities to produce oxygen-scavenging packaging materials based on oxygen-reducing enzymes. The enzymes were incorporated into a dispersion coating formulation applied onto a food-packaging board using conventional laboratory coating techniques. Various enzymes were used: a glucose oxidase, an oxalate oxidase and three laccases originating from different organisms. All of the enzymes were successfully incorporated into a coating layer and
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Wu, Wan Man. "Reactive oxygen species and murine malaria." Thesis, The University of Sydney, 1992. https://hdl.handle.net/2123/26446.

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The aim of this study was to investigate the role of ROS in the protective and pathological immune response during malarial infection. For this purpose, four isolates of Plasmodium parasites (P. berghei ANKA, P. vinckei, P. berghei K152 and P. chabaudi) and two different inbred strains of mice (CBA and DBA) were used. The patterns of mortality varied between the different mouseparasite strain combinatio ns. The mortality of CBA mice infected with P. vinckei and P. berghei K152, and DBA mice infected with P. berghei ANKA, related to the levels of parasitaemia. However early mortality of CBA
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Sun, Zhenning, and 孫振宁. "Studies on fluorescent probes for the specific detection of reactive oxygen species and reactive nitrogen species in living cells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B38677490.

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Peng, Tao, and 彭濤. "Rhodol fluorophores and fluorescent probes for the detection and imaging of reactive oxygen species." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B41757920.

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Peng, Tao. "Rhodol fluorophores and fluorescent probes for the detection and imaging of reactive oxygen species." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B41757920.

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Mahajan, Kamal. "Synthesis and Characterization of New Active Barrier Polymers." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271339021.

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Rentel, Maike Christina. "Signal transduction in response to active oxygen species in Arabidopsis thaliana." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:5dc0b7f5-5aa9-4633-a8dd-89ca2dcb3982.

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Many environmental stresses result in increased generation of active oxygen species (AOS) in plant cells, leading to the induction of protective mechanisms. In this study, signalling components linking AOS perception to downstream responses were examined, with particular emphasis on H<sub>2</sub>O<sub>2</sub> signalling. All AOS investigated had an early [Ca<sup>2+</sup>]<sub>cyt</sub> peak in common, but differed in other aspects of their Ca<sup>2+</sup> signatures, indicating that the plant is able to discriminate between different types of AOS. An early event in AOS signal transduction may
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Libri sul tema "Active oxygen"

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Valentine, Joan Selverstone, Christopher S. Foote, Arthur Greenberg, and Joel F. Liebman, eds. Active Oxygen in Biochemistry. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0609-2.

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Valentine, Joan Selverstone, Christopher S. Foote, Arthur Greenberg, and Joel F. Liebman, eds. Active Oxygen in Biochemistry. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4613-9783-0.

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Foote, Christopher S., Joan Selverstone Valentine, Arthur Greenberg, and Joel F. Liebman, eds. Active Oxygen in Chemistry. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-007-0874-7.

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S, Foote Christopher, ed. Active oxygen in chemistry. London: Blackie Academic & Professional, 1995.

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1946-, Bachmanova G. I., ed. Cytochrome P-450 and active oxygen. London: Taylor & Francis, 1990.

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Atanu, Barik, and Bhabha Atomic Research Centre, eds. Singlet oxygen.: Photosensitized generation, detection, and reaction with organic molecules. Mumbai: Bhabha Atomic Research Centre, 2006.

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Kunio, Yagi, ed. Oxygen radicals. Amsterdam: Excerpta Medica, 1992.

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W, Allen Henry, and Culbert Michael L. 1937-, eds. Oxidology: The study of reactive oxygen toxic species (ROTS) and their metabolism in health and disease : the ROTS theory of degenerative disease and the HLB blood test. Los Altos, Calif: R.W. Bradford Foundation, 1985.

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L, Gilbert Daniel, and Colton Carol A, eds. Reactive oxygen species in biological systems: An interdisciplinary approach. New York: Kluwer Academic/Plenum Publishers, 1999.

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International, Conference on Oxygen and Life (3rd 2000 Kyoto Japan). Oxygen and life: Oxygenases, oxidases, and lipid mediators : proceedings of the 3rd International Conference on Oxygen and Life which was held in Kyoto, between 26 and 29 November 2000. Amsterdam: Elsevier, 2002.

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Capitoli di libri sul tema "Active oxygen"

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Iversen, Patrick L. "Active Oxygen Defenses." In Molecular Basis of Resilience, 195–222. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98164-2_9.

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Aust, Steven D., Craig E. Thomas, Lee A. Morehouse, Morio Saito, and John R. Bucher. "Active Oxygen and Toxicity." In Biological Reactive Intermediates III, 513–26. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5134-4_49.

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Cerutti, Peter A. "Active Oxygen and Promotion." In Arachidonic Acid Metabolism and Tumor Promotion, 131–68. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2605-2_7.

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Ho, Raymond Y. N., Joel F. Liebman, and Joan Selverstone Valentine. "Overview of the Energetics and Reactivity of Oxygen." In Active Oxygen in Chemistry, 1–23. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_1.

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Walling, Cheves. "Autoxidation." In Active Oxygen in Chemistry, 24–65. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_2.

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Bielski, Benon H. J., and Diane E. Cabelli. "Superoxide and Hydroxyl Radical Chemistry in Aqueous Solution." In Active Oxygen in Chemistry, 66–104. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_3.

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Foote, Christopher S., and Edward L. Clennan. "Properties and Reactions of Singlet Dioxygen." In Active Oxygen in Chemistry, 105–40. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_4.

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Dussault, Pat. "Reactions of Hydroperoxides and Peroxides." In Active Oxygen in Chemistry, 141–203. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_5.

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Ebner, Jerry, and Dennis Riley. "Catalytic Oxidations with Oxygen: An Industrial Perspective." In Active Oxygen in Chemistry, 204–48. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_6.

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Atkinson, Roger. "Reactions of Oxygen Species in the Atmosphere." In Active Oxygen in Chemistry, 249–79. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-007-0874-7_7.

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Atti di convegni sul tema "Active oxygen"

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Matsumoto, Hiroyuki, Mikihiko Matsuoka, and Kazutoshi Noda. "Active oxygen detection using Quartz Crystal Microbalance method under inductively coupled oxygen plasma." In 2008 International Conference on Control, Automation and Systems (ICCAS). IEEE, 2008. http://dx.doi.org/10.1109/iccas.2008.4694461.

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Rawlins, Wilson T., Seonkyung Lee, and Steven J. Davis. "Production of metastable singlet oxygen in the reaction of nitric oxide with active oxygen." In Lasers and Applications in Science and Engineering, edited by Steven J. Davis, Michael C. Heaven, and J. Thomas Schriempf. SPIE, 2008. http://dx.doi.org/10.1117/12.773783.

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Kulagin, Yuri A., and Victoria N. Yarygina. "Analysis of rate constants for oxygen-iodine active media." In Fourth International Workshop on Iodine Lasers and Applications, edited by Karel Rohlena, Jarmila Kodymova, and Bozena Kralikova. SPIE, 1996. http://dx.doi.org/10.1117/12.232188.

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Ono, Yumie, Mikie Nakabayashi, and Masashi Ichinose. "Diffuse Optics for Probing Oxygen Metabolism of Active Muscles." In 2021 IEEE Photonics Conference (IPC). IEEE, 2021. http://dx.doi.org/10.1109/ipc48725.2021.9592861.

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Xu, Zi-Qiang, Simon Ang, Marzia Zaman, Shaowei He, Si Huang, and Hong Xia. "Structure design and process improvement of planar oxygen sensor." In 2016 13th International Computer Conference on Wavelet Active Media Technology and Information Processing (ICCWAMTIP). IEEE, 2016. http://dx.doi.org/10.1109/iccwamtip.2016.8079884.

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Kolobyanin, Yuriy, Yuriy Adamenkov, Boris Vyskubenko, Leonid Goryachev, Sergey Ilyin, Anatoliy Kalashnik, Tatiana Rakhimova, and Georgiy Rogozhnikov. "Active medium gain study of electric-discharge oxygen-iodine laser." In XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers. SPIE, 2006. http://dx.doi.org/10.1117/12.739082.

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Kääriäinen, Teemu, and Jeremias Seppä. "Active 3D camera based on laser absorption of molecular oxygen." In 3D Image Acquisition and Display: Technology, Perception and Applications. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/3d.2023.jth1a.4.

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We present a novel method for 3D imaging, based on laser light absorption by atmospheric oxygen. The camera uses a current tunable distributed feedback laser for illumination and a silicon-based CMOS camera for imaging.
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Kryachkova, N. V., A. A. Polyakova, M. M. Biryukov, E. V. Milakhina, D. E. Zakrevsky, I. V. Schweigert, and O. A. Koval. "CYTOSTATIC EFFECT OF COLD PLASMA JET ON HUMAN TUMOR CELLS." In X Международная конференция молодых ученых: биоинформатиков, биотехнологов, биофизиков, вирусологов и молекулярных биологов — 2023. Novosibirsk State University, 2023. http://dx.doi.org/10.25205/978-5-4437-1526-1-339.

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Cold plasma activates various processes when acting on biomolecules, including tumors. Сold plasma jet (CPJ) generates active forms of oxygen and nitrogen, and such species cause oxidative stress. This study shows an increase in active forms of nitrogen in irradiated A549 tumor cells compared to healthy Wi-38 cells. The action of CPJ on tumor cells causes cell cycle arrest, and suppresses their proliferation.
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Tolstov, Georgy, Marsel Zagidullin, Nikolay Khvatov, Yakov Medvedkov та Paul Mikheyev. "O2(bΣ1+g) relaxation in active medium of oxygen-iodine laser". У Saratov Fall Meeting 2017: Fifth International Symposium on Optics and Biophotonics: Laser Physics and Photonics XIX; Computational Biophysics and Analysis of Biomedical Data IV, редактори Vladimir L. Derbov та Dmitry E. Postnov. SPIE, 2018. http://dx.doi.org/10.1117/12.2315801.

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Kaminski, Pawel, Roman Kozlowski, and Andrzej Misiuk. "Electrically active defects in Ni-contaminated Cz-Si with oxygen precipitates." In Metal/Nonmetal Microsystems: Physics, Technology, and Applications, edited by Benedykt W. Licznerski and Andrzej Dziedzic. SPIE, 1996. http://dx.doi.org/10.1117/12.238141.

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Rapporti di organizzazioni sul tema "Active oxygen"

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Nikolla, Eranda. Final Report: Nanostructured, Targeted Layered Metal Oxides as Active and Selective Heterogeneous Electrocatalysts for Oxygen Electrocatalysis. Office of Scientific and Technical Information (OSTI), January 2021. http://dx.doi.org/10.2172/1763600.

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Lashier, M. An investigation of active and selective oxygen in vanadium phosphorus oxide catalysts for n-butane conversion to maleic anhydride. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/6944921.

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Elmann, Anat, Orly Lazarov, Joel Kashman, and Rivka Ofir. therapeutic potential of a desert plant and its active compounds for Alzheimer's Disease. United States Department of Agriculture, March 2015. http://dx.doi.org/10.32747/2015.7597913.bard.

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We chose to focus our investigations on the effect of the active forms, TTF and AcA, rather than the whole (crude) extract. 1. To establish cultivation program designed to develop lead cultivar/s (which will be selected from the different Af accessions) with the highest yield of the active compounds TTF and/or achillolide A (AcA). These cultivar/s will be the source for the purification of large amounts of the active compounds when needed in the future for functional foods/drug development. This task was completed. 2. To determine the effect of the Af extract, TTF and AcA on neuronal vulnerabi
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Barker, Amanda, Taylor Sullivan, W. Baxter, Robyn Barbato, Shawn Gallaher, Grace Patton, Joseph Smith, and Thomas Douglas. Iron oxidation–reduction processes in warming permafrost soils and surface waters expose a seasonally rusting Arctic watershed. Engineer Research and Development Center (U.S.), June 2024. http://dx.doi.org/10.21079/11681/48714.

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Landscape-scale changes from climate change in the Arctic affect the soil thermal regime and impact the depth to permafrost in vulnerable tundra watersheds. When top-down thaw of permafrost occurs, oxygen and porewaters infiltrate deeper in the soil column exposing fresh, previously frozen material and altering redox conditions. A gap remains in understanding how redox stratifications in thawing permafrost impact the geochemistry of watersheds in response to climate change and how investigations into redox may be scaled by coupling extensive geophysical mapping techniques. In this study, we co
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Morris, Andrew M., Peter Juni, Ayodele Odutayo, Pavlos Bobos, Nisha Andany, Kali Barrett, Martin Betts, et al. Remdesivir for Hospitalized Patients with COVID-19. Ontario COVID-19 Science Advisory Table, May 2021. http://dx.doi.org/10.47326/ocsat.2021.02.27.1.0.

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Remdesivir, a direct-acting antiviral agent, may reduce mortality and progression to mechanical ventilation in moderately ill patients hospitalized with COVID-19 on supplemental low-flow oxygen. The benefits of remdesivir for critically ill patients requiring supplemental oxygen via high-flow nasal cannula or mask, or non-invasive mechanical ventilation, is uncertain. Remdesivir does not benefit and may harm critically ill patients already receiving mechanical ventilation or requiring extra-corporeal membrane oxygenation (ECMO), and it does not provide substantial benefit for hospitalized pati
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Rossi, Ruggero, David Jones, Jaewook Myung, Emily Zikmund, Wulin Yang, Yolanda Alvarez Gallego, Deepak Pant, et al. Evaluating a multi-panel air cathode through electrochemical and biotic tests. Engineer Research and Development Center (U.S.), December 2022. http://dx.doi.org/10.21079/11681/46320.

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To scale up microbial fuel cells (MFCs), larger cathodes need to be developed that can use air directly, rather than dissolved oxygen, and have good electrochemical performance. A new type of cathode design was examined here that uses a “window-pane” approach with fifteen smaller cathodes welded to a single conductive metal sheet to maintain good electrical conductivity across the cathode with an increase in total area. Abiotic electrochemical tests were conducted to evaluate the impact of the cathode size (exposed areas of 7 cm², 33 cm², and 6200 cm²) on performance for all cathodes having th
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Siegel, David A., Ivona Cetinic, Andrew F. Thompson, Norman B. Nelson, Michaela Sten, Melissa Omand, Shawnee Traylor, et al. EXport Processes in the Ocean from RemoTe Sensing (EXPORTS) North Atlantic sensor calibration and intercalibration documents. NASA STI Program and Woods Hole Oceanographic Institution, October 2023. http://dx.doi.org/10.1575/1912/66998.

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The following documents collect information regarding the calibration and intercalibration of various sensors that were deployed during the North Atlantic field component of the NASA EXPORTS project (EXPORTS NA), which took place between May 4 and June 1, 2021 (Johnson et al., 2023). The EXPORTS NA campaign was designed to to provide a contrasting end member to the earlier North Pacific field campaign, and focused on carbon export associated with the North Atlantic spring bloom in which gravitational sinking of organic particles, the physical advection and mixing, and active transport by verti
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Weissinger, Rebecca. Status and trends of springs at Hovenweep National Monument, 1999–2021. Edited by Alice Wondrak Biel. National Park Service, August 2023. http://dx.doi.org/10.36967/2294373.

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Water is a scarce, but vital, resource at Hovenweep National Monument (NM). The National Park Service has prioritized long-term monitoring of water resources at the monument through a variety of programs and indicators since 1999. The purpose of this report is to evaluate water-quantity and water-quality data collected at long-term monitoring sites in Hovenweep NM from 1999 to 2021 for trends over time, and to summarize site-characterization data for currently monitored locations. Data are available for three active monitoring stations—Square Tower Spring, Hackberry Pool, and Goodman Point Spr
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Pesis, Edna, Elizabeth J. Mitcham, Susan E. Ebeler, and Amnon Lers. Application of Pre-storage Short Anaerobiosis to Alleviate Superficial Scald and Bitter Pit in Granny Smith Apples. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7593394.bard.

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Abstract (sommario):
There is increased demand for high quality fruit produced and marketed with reduced chemical inputs to minimize toxic effects on human health and the environment. Granny Smith (GS) apple quality is reduced by two major physiological disorders, superficial scald and bitter pit (BP). These disorders cause great loss to apple growers worldwide. Superficial scald is commonly controlled by chemical treatments, mainly the antioxidant diphenylamine (DPA) and/or the ethylene action inhibitor, 1-methylcyclopropene (1–MCP). Both chemicals are ineffective in controlling bitter pit incidence. We proposed
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Azzi, Elias S., Cecilia Sundberg, Helena Söderqvist, Tom Källgren, Harald Cederlund, and Haichao Li. Guidelines for estimation of biochar durability : Background report. Department of Energy and Technology, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.lkbuavb9qc.

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Biochar is produced by heating biomass in the total or partial absence of oxygen. This report addresses the long-term persistence of biochar in soil and how this can be managed in climate calculations and reporting. The report consists of this summary and four chapters, which can be read independently. Different terms have been used to describe the durability of biochar carbon storage, but also the physical presence of biochar in soils, e.g. persistence, permanence, recalcitrance, residence times, stability. Today, the term “durability of carbon storage” is preferred in policy contexts, but va
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