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Journal articles on the topic 'Lime sulfur. eng'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Cromwell, Morgan L., Lorraine P. Berkett, Heather M. Darby, and Takamaru Ashikaga. "Alternative Organic Fungicides for Apple Scab Management and Their Non-target Effects." HortScience 46, no. 9 (2011): 1254–59. http://dx.doi.org/10.21273/hortsci.46.9.1254.

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A major challenge in organic apple production in humid production regions is the available fungicide options for apple scab [Venturia inaequalis (Cooke) Wint.] management. The standard sulfur/lime sulfur fungicide program can be injurious to the applicator, the apple ecosystem, and the apple tree itself. The objectives of this study were to compare the efficacy of three potential alternative fungicides [potassium bicarbonate (PB), neem oil (NO), and Bacillus subtilis (Bs)] with a standard organic sulfur/lime sulfur (SLS) fungicide program and a non-treated control (NTC) for management of apple

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Çelekli, Abuzer, and Hamdullah Arslanargun. "Bio-assessment of surface waters in the south-east of Gaziantep (Turkey) using diatom metrics." Annales de Limnologie - International Journal of Limnology 55 (2019): 11. http://dx.doi.org/10.1051/limn/2019010.

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Diatom metrics can be used to identify the ecological status of water bodies due to their good responses to anthropogenic disturbances. Our study is aimed to use diatom metrics developed from different ecoregions for assessing the ecological status of 11 surface waters in the south-east of the Gaziantep catchment (Turkey). Ecological characterizations of the sampling stations were introduced by Trophic Index Turkey (TIT), Trophic Index (TI), and Eutrophication and/or Pollution Index-Diatom (EPI-D). According to TIT and TI, Karkamış Reservoir had a good ecological condition while it had high ec

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Winchester, Chevelle, and Alan Hirsch. "121 Oviposit Dysgeusia; Head Trauma Induced Chemosensory Noisome Egg Dysgeusia: The Miasma of Dante’s Inferno-When Eggs Become Rotten." CNS Spectrums 25, no. 2 (2020): 278–79. http://dx.doi.org/10.1017/s1092852920000395.

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Introduction:Post-traumatic dysgeusia with conversion of the taste of eggs rotten eggs has not heretofore been described.Method:Case Report: A 60 year old right handed female 6 months prior to presentation sustained head trauma. Three days later she noted reduced taste and smell dysgeusia to eggs. Eggs tasted distorted, like rotten eggs. Raw egg whites had no smell or taste. Cooked egg whites had faint sulfur smell for 2-3 seconds and the taste of sulfur. Yolk of soft-boiled eggs, had no smell or taste. The white had no smell but an unbearable sulfur taste. Raw eggs had no smell. The yolk of h

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4

Han, Yong Hui, Da Qing Cang, and Wen Bin Dai. "Optimization of Co-Injection Desulfurization of Vanadium Bearing Hot Metal." Key Engineering Materials 744 (July 2017): 239–43. http://dx.doi.org/10.4028/www.scientific.net/kem.744.239.

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The desulphurization process parameters of vanadium bearing hot metal were optimized. It is found that it has the best desulfurization effect in 100t hot metal ladle, when the lance position is 280mm, the ratio of lime to Mg is 3:1, and the Mg injection rate is 9kg/min. The Si and Ti content of hot metal can increase the activity of S. With the increase of Si and Ti content of hot metal, the final sulfur content has a reduction trend. When the content of Si and Ti is lower than 0.35%, the final sulfur content of hot metal increases, and the hit rate decreases. The effect of hot metal temperatu

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Mahankali, Kiran, Sudhan Nagarajan, Naresh Kumar Thangavel, Sathish Rajendran, Munaiah Yeddala, and Leela Mohana Reddy Arava. "Metal-Based Electrocatalysts for High-Performance Lithium-Sulfur Batteries: A Review." Catalysts 10, no. 10 (2020): 1137. http://dx.doi.org/10.3390/catal10101137.

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The lithium-sulfur (Li-S) redox battery system is considered to be the most promising next-generation energy storage technology due to its high theoretical specific capacity (1673 mAh g−1), high energy density (2600 Wh kg−1), low cost, and the environmentally friendly nature of sulfur. Though this system is deemed to be the next-generation energy storage device for portable electronics and electric vehicles, its poor cycle life, low coulombic efficiency and low rate capability limit it from practical applications. These performance barriers were linked to several issues like polysulfide (LiPS)

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Soto-Estrada, A., H. Förster, J. Hasey, and J. E. Adaskaveg. "New Fungicides and Application Strategies Based on Inoculum and Precipitation for Managing Stone Fruit Rust on Peach in California." Plant Disease 87, no. 9 (2003): 1094–101. http://dx.doi.org/10.1094/pdis.2003.87.9.1094.

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In greenhouse and field studies, rust on cling peach caused by Tranzschelia discolor was significantly reduced on leaves and fruit compared with that on controls by foliar applications of wettable sulfur, an agricultural oil, a substituted aromatic (e.g., chlorothalonil), as well as benzimidazole (e.g., benomyl, thiophanate-methyl), sterol biosynthesis inhibiting (e.g., myclobutanil, propiconazole, tebuconazole), and strobilurin (e.g., azoxystrobin) fungicides. The timing of treatments was a significant factor in reducing disease in most trials. Protective programs using wettable sulfur, tebuc

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7

Zhou, Guangmin, Ankun Yang, Guoping Gao, et al. "Supercooled liquid sulfur maintained in three-dimensional current collector for high-performance Li-S batteries." Science Advances 6, no. 21 (2020): eaay5098. http://dx.doi.org/10.1126/sciadv.aay5098.

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In lithium-sulfur (Li-S) chemistry, the electrically/ionically insulating nature of sulfur and Li2S leads to sluggish electron/ion transfer kinetics for sulfur species conversion. Sulfur and Li2S are recognized as solid at room temperature, and solid-liquid phase transitions are the limiting steps in Li-S batteries. Here, we visualize the distinct sulfur growth behaviors on Al, carbon, Ni current collectors and demonstrate that (i) liquid sulfur generated on Ni provides higher reversible capacity, faster kinetics, and better cycling life compared to solid sulfur; and (ii) Ni facilitates the ph

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Glushankova, Irina, Aleksandr Ketov, Marina Krasnovskikh, Larisa Rudakova, and Iakov Vaisman. "End of Life Tires as a Possible Source of Toxic Substances Emission in the Process of Combustion." Resources 8, no. 2 (2019): 113. http://dx.doi.org/10.3390/resources8020113.

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Several million tons of end of life tires (ELTs) are piled annually as a result of human activities. Various methods have been proposed for the extraction and recycling of the resource potential of ELTs. The chemical composition of ELTs seems to enable their usage as a fuel after mechanical separation of a steel cord. Indeed, in the rubber of ELTs, up to 90 mass% accounts for carbon and hydrogen. Currently, it is by incineration that a significant proportion of ELTs is utilized. However, ELTs contain not only sulfur, which is used for vulcanization, but also nitrogen-containing additives. The

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Schobben, Martin, Alan Stebbins, Abbas Ghaderi, Harald Strauss, Dieter Korn, and Christoph Korte. "Flourishing ocean drives the end-Permian marine mass extinction." Proceedings of the National Academy of Sciences 112, no. 33 (2015): 10298–303. http://dx.doi.org/10.1073/pnas.1503755112.

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The end-Permian mass extinction, the most severe biotic crisis in the Phanerozoic, was accompanied by climate change and expansion of oceanic anoxic zones. The partitioning of sulfur among different exogenic reservoirs by biological and physical processes was of importance for this biodiversity crisis, but the exact role of bioessential sulfur in the mass extinction is still unclear. Here we show that globally increased production of organic matter affected the seawater sulfate sulfur and oxygen isotope signature that has been recorded in carbonate rock spanning the Permian−Triassic boundary.

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Martinez-Gonzalez, Aldemar, Oscar-Mauricio Casas-Leuro, Julia-Raquel Acero-Reyes, and Edgar-Fernando Castillo-Monroy. "Comparison of potential environmental impacts on the production and use of high and low sulfur regular diesel by life cycle assessment." CT&F - Ciencia, Tecnología y Futuro 4, no. 4 (2011): 123–36. http://dx.doi.org/10.29047/01225383.233.

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This paper provides a comparative analysis using the concept of life cycle assessment (LCA), between high-sulfur (3000 ppm) and low-sulfur diesel (500 ppm) diesel. The comparative LCA considers the stages of production, transport and oil refining , as well as the transport of refined products and their respective end use. This last stage of the life cycle is important for the analysis of potential environmental impacts, due to sulfur oxide (SOx) emissions, which contribute to the formation of acid rain, damage air quality and the ecosystem (land and water acidification), causing gradual damage

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Schaefer, Bettina, Kliti Grice, Marco J. L. Coolen, et al. "Microbial life in the nascent Chicxulub crater." Geology 48, no. 4 (2020): 328–32. http://dx.doi.org/10.1130/g46799.1.

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Abstract The Chicxulub crater was formed by an asteroid impact at ca. 66 Ma. The impact is considered to have contributed to the end-Cretaceous mass extinction and reduced productivity in the world’s oceans due to a transient cessation of photosynthesis. Here, biomarker profiles extracted from crater core material reveal exceptional insights into the post-impact upheaval and rapid recovery of microbial life. In the immediate hours to days after the impact, ocean resurge flooded the crater and a subsequent tsunami delivered debris from the surrounding carbonate ramp. Deposited material, includi

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Bontognali, Tomaso R. R., Alex L. Sessions, Abigail C. Allwood, et al. "Sulfur isotopes of organic matter preserved in 3.45-billion-year-old stromatolites reveal microbial metabolism." Proceedings of the National Academy of Sciences 109, no. 38 (2012): 15146–51. http://dx.doi.org/10.1073/pnas.1207491109.

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The 3.45-billion-year-old Strelley Pool Formation of Western Australia preserves stromatolites that are considered among the oldest evidence for life on Earth. In places of exceptional preservation, these stromatolites contain laminae rich in organic carbon, interpreted as the fossil remains of ancient microbial mats. To better understand the biogeochemistry of these rocks, we performed microscale in situ sulfur isotope measurements of the preserved organic sulfur, including both Δ33S and . This approach allows us to tie physiological inference from isotope ratios directly to fossil biomass, p

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Susarla, Sandhya, Thierry Tsafack, Peter Samora Owuor, et al. "High-K dielectric sulfur-selenium alloys." Science Advances 5, no. 5 (2019): eaau9785. http://dx.doi.org/10.1126/sciadv.aau9785.

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Upcoming advancements in flexible technology require mechanically compliant dielectric materials. Current dielectrics have either high dielectric constant, K (e.g., metal oxides) or good flexibility (e.g., polymers). Here, we achieve a golden mean of these properties and obtain a lightweight, viscoelastic, high-K dielectric material by combining two nonpolar, brittle constituents, namely, sulfur (S) and selenium (Se). This S-Se alloy retains polymer-like mechanical flexibility along with a dielectric strength (40 kV/mm) and a high dielectric constant (K = 74 at 1 MHz) similar to those of estab

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Grima, M. M. Alvarez, A. G. Talma, R. N. Datta, and J. W. M. Noordermeer. "New Concept of Co-Agents for Scorch Delay and Property Improvement in Peroxide Vulcanization." Rubber Chemistry and Technology 79, no. 4 (2006): 694–711. http://dx.doi.org/10.5254/1.3547961.

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Abstract Peroxide cure is an important and widely used cure system for rubber. Several properties obtained via peroxide vulcanization are superior and not achievable with sulfur vulcanization, e.g.: aging resistance, no reversion and low compression set. However, other properties such as tensile strength and dynamic properties, are inferior to those of sulfur vulcanizates. The use of co-agents in peroxide cure leads to a certain extent to improvement in mechanical properties such as tensile strength. Nevertheless the properties are still inferior with respect to mechanical/dynamical properties

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Biddanda, Bopaiah, Anthony Weinke, Ian Stone, et al. "Extant Earthly Microbial Mats and Microbialites as Models for Exploration of Life in Extraterrestrial Mat Worlds." Life 11, no. 9 (2021): 883. http://dx.doi.org/10.3390/life11090883.

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As we expand the search for life beyond Earth, a water-dominated planet, we turn our eyes to other aquatic worlds. Microbial life found in Earth’s many extreme habitats are considered useful analogs to life forms we are likely to find in extraterrestrial bodies of water. Modern-day benthic microbial mats inhabiting the low-oxygen, high-sulfur submerged sinkholes of temperate Lake Huron (Michigan, USA) and microbialites inhabiting the shallow, high-carbonate waters of subtropical Laguna Bacalar (Yucatan Peninsula, Mexico) serve as potential working models for exploration of extraterrestrial lif

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16

Pietrzykowski, Marcin, and Justyna Likus-Cieślik. "Comprehensive Study of Reclaimed Soil, Plant, and Water Chemistry Relationships in Highly S-Contaminated Post Sulfur Mine Site Jeziórko (Southern Poland)." Sustainability 10, no. 7 (2018): 2442. http://dx.doi.org/10.3390/su10072442.

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The aim of the work was a comprehensive study of the soils (pH, EC, SOC, NT, ST), surface waters (pH, EC, Ca2+ Mg2+, Na+, NO3−, SO42−, Cl−, HCO3−), and reactions of trees and herbaceous plants in the restored forest ecosystem of a former sulfur mine. Common birch and Scots pine growth reaction, vitality (according to IUFRO standards- International Union of Forest Research Organizations), nutrient supply (Na, K, P, Ca, Mg, K), and Calamagrostis epigejos (L.) Roth chemical composition (Na, K, P, Ca, Mg, K) were assayed. The chemistry dynamics (pH, EC, DOC, NT, Ca, Mg, and S at the beginning and

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17

Mathew, Varughese, and Sheila Chopin. "High-Temperature Reliability of Copper Wire-Bonded Packages Encapsulated with Mold Compounds Containing Sulfur Compounds." Journal of Microelectronics and Electronic Packaging 12, no. 4 (2015): 226–31. http://dx.doi.org/10.4071/imaps.469.

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Cu wire-bonded (CuWB) packaging is more susceptible to corrosion than traditional inert gold wires. CuWB reliability greatly depends on the compatibility of Cu wire with the surrounding encapsulating mold compound as this matrix can provide a corrosive environment leading to reliability issues. Many mold compounds contain specific components, which are sulfur-based compounds. Since the reliability testing of an encapsulated packaged device involves thermal treatments, such as the high-temperature storage life (HTSL) test, there is a concern that corrosive sulfur compounds can be produced at hi

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Mathew, Varughese, and Sheila Chopin. "High Temperature Reliability of Copper Wire - Bonded Packages Encapsulated with Mold Compounds Containing Sulfur compounds." International Symposium on Microelectronics 2014, no. 1 (2014): 000477–82. http://dx.doi.org/10.4071/isom-wa42.

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Copper wire-bonded (CuWB) packaging is more susceptible to corrosion than traditional inert gold wires. CuWB reliability greatly depends on the compatibility of Cu wire with the surrounding encapsulating mold compound as this matrix can provide a corrosive environment leading to reliability issues. Many mold compounds contain specific components which are sulfur-based compounds. Since the reliability testing of an encapsulated packaged device involves thermal treatments such as high temperature storage life (HTSL) test, there is a concern that corrosive sulfur compounds can be produced at high

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19

Churkunti, Preetham Reddy, Jonathan Mattson, Christopher Depcik, and Ger Devlin. "Combustion analysis of pyrolysis end of life plastic fuel blended with ultra low sulfur diesel." Fuel Processing Technology 142 (February 2016): 212–18. http://dx.doi.org/10.1016/j.fuproc.2015.10.021.

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Wang, Hong Mei, Da Peng Zhou, Yuan Lian, Ming Pang, and Dan Liu. "Hydrothermal Synthesis and Photocatalytic Properties of Flower-Like CdS Nanostructures." Advanced Materials Research 335-336 (September 2011): 460–63. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.460.

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Hexagonal flower-like CdS nanostructures were successfully synthesized through a facile hydrothermal method with thiourea as sulfur source. By combining the results of X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), the structural and morphological characterizations of the products were performed. The photocatalytic activity of CdS nanostructures had been tested by degradation of Rhodamine B (RB) under UV light compared to commercial CdS powders, which indicated that the as-syntherize

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Saranya, M., and A. Nirmala Grace. "Hydrothermal Synthesis of CuS Nanostructures with Different Morphology." Journal of Nano Research 18-19 (July 2012): 43–51. http://dx.doi.org/10.4028/www.scientific.net/jnanor.18-19.43.

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Cus Nanostructures Have Been Successfully Prepared from Copper Chloride with Two Different Sulfur Sources Like Thiourea and Sodium Thiosulphate by Hydrothermal Route at 150oC. The Growth of Cus Nanostructures Were Investigated for Different Reaction Time Periods of 5 Hrs and 24 Hrs Respectively Using Water as Solvent. the as-Synthesized Cus Nanostructures Are Characterized by X-Ray Diffraction (XRD) and Field-Emission Scanning Electron Microscopy (FE-SEM). XRD Pattern Indicates that the Prepared Cus Nanomaterials Are in Pure Hexagonal Phase. Results Show that Cus Nanomaterials with Different H

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Togobitskaia, D. N., L. S. Molchanov, A. S. Vergun, V. G. Kislyakov, Y. M. Likhachov, and N. E. Khodotova. "Information and mathematical support of cast iron desulfurization technology." Fundamental and applied problems of ferrous metallurgy, no. 34 (2020): 62–72. http://dx.doi.org/10.52150/2522-9117-2020-34-62-72.

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The concept of the expert decision-making system for technological process management, created earlier at the Iron and Steel Institute of the National Academy of Sciences of Ukraine, provides for the choice of a rational technology for out-of-furnace desulfurization of cast iron. The purpose of this work is the further development of information and mathematical support of the expert system module for out-of-furnace processing of cast iron by co-injection of magnesium and lime in the framework of the target project to create end-to-end technology for high quality metal products. An integrated

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van de Velde, Sebastiaan J., Dominik Hülse, Christopher T. Reinhard, and Andy Ridgwell. "Iron and sulfur cycling in the cGENIE.muffin Earth system model (v0.9.21)." Geoscientific Model Development 14, no. 5 (2021): 2713–45. http://dx.doi.org/10.5194/gmd-14-2713-2021.

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Abstract. The coupled biogeochemical cycles of iron and sulfur are central to the long-term biogeochemical evolution of Earth's oceans. For instance, before the development of a persistently oxygenated deep ocean, the ocean interior likely alternated between states buffered by reduced sulfur (“euxinic”) and buffered by reduced iron (“ferruginous”), with important implications for the cycles and hence bioavailability of dissolved iron (and phosphate). Even after atmospheric oxygen concentrations rose to modern-like values, the ocean episodically continued to develop regions of euxinic or ferrug

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Santoso, D., RDB Lefroy, and GJ Blair. "A comparison of sulfur extractants for weathered acid soils." Soil Research 33, no. 1 (1995): 125. http://dx.doi.org/10.1071/sr9950125.

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The increasing incidence of S deficiency throughout the world has focused attention on ways of assessing the S status of soils. An incubation experiment was conducted using three acid soils varying in S sorption capacity. The soils were a gleyed podzolic (Aquic Haplustalf), a red earth (Haplohumult) and krasnozem (Haplohumult) with a S sorption (at 5 �g S mL(-1)) of 13, 48 and 135 �g S g(-1)) soil, respectively. A factorial combination of S (0 and S applied to 5 �g S mL(-1)) in soil solution), P (0 and P applied to 0.2 �g P mL(-1)) and lime (0, 1.5 x exch. Al) was applied to the soils which we

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Okibe, Naoko, Mariekie Gericke, Kevin B. Hallberg, and D. Barrie Johnson. "Enumeration and Characterization of Acidophilic Microorganisms Isolated from a Pilot Plant Stirred-Tank Bioleaching Operation." Applied and Environmental Microbiology 69, no. 4 (2003): 1936–43. http://dx.doi.org/10.1128/aem.69.4.1936-1943.2003.

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ABSTRACT Microorganisms were enumerated and isolated on selective solid media from a pilot-scale stirred-tank bioleaching operation in which a polymetallic sulfide concentrate was subjected to biologically accelerated oxidation at 45°C. Four distinct prokaryotes were isolated: three bacteria (an Acidithiobacillus caldus-like organism, a thermophilic Leptospirillum sp., and a Sulfobacillus sp.) and one archaeon (a Ferroplasma-like isolate). The relative numbers of these prokaryotes changed in the three reactors sampled, and the Ferroplasma isolate became increasingly dominant as mineral oxidati

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Sun, Weiwei, Yujie Li, Shuangke Liu, Chang Liu, Xiaojian Tan, and Kai Xie. "Corrigendum to “Mechanism investigation of iron selenide as polysulfide mediator for long-life lithium-sulfur batteries” [Chem. Eng. J. 416 (2021) 129166]." Chemical Engineering Journal 428 (January 2022): 131397. http://dx.doi.org/10.1016/j.cej.2021.131397.

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Staunton-Sykes, John, Thomas J. Aubry, Youngsub M. Shin, et al. "Co-emission of volcanic sulfur and halogens amplifies volcanic effective radiative forcing." Atmospheric Chemistry and Physics 21, no. 11 (2021): 9009–29. http://dx.doi.org/10.5194/acp-21-9009-2021.

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Abstract. The evolution of volcanic sulfur and the resulting radiative forcing following explosive volcanic eruptions is well understood. Petrological evidence suggests that significant amounts of halogens may be co-emitted alongside sulfur in some explosive volcanic eruptions, and satellite evidence indicates that detectable amounts of these halogens may reach the stratosphere. In this study, we utilise an aerosol–chemistry–climate model to simulate stratospheric volcanic eruption emission scenarios of two sizes, both with and without co-emission of volcanic halogens, in order to understand h

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Hughes, Austin L. "Life-history evolution at the molecular level: adaptive amino acid composition of avian vitellogenins." Proceedings of the Royal Society B: Biological Sciences 282, no. 1812 (2015): 20151105. http://dx.doi.org/10.1098/rspb.2015.1105.

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Avian genomes typically encode three distinct vitellogenin (VTG) egg yolk proteins (VTG1, VTG2 and VTG3), which arose by gene duplication prior to the most recent common ancestor of birds. Analysis of VTG sequences from 34 avian species in a phylogenetic framework supported the hypothesis that VTG amino acid composition has co-evolved with embryo incubation time. Embryo incubation time was positively correlated with the proportions of dietary essential amino acids (EAAs) in VTG1 and VTG2, and with the proportion of sulfur-containing amino acids in VTG3. These patterns were seen even when only

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Markl, Erich, and Maximilian Lackner. "Devulcanization Technologies for Recycling of Tire-Derived Rubber: A Review." Materials 13, no. 5 (2020): 1246. http://dx.doi.org/10.3390/ma13051246.

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In general, composite materials are difficult to recycle. Tires belong to this class of materials. On top, one of their main constitutents, vulcanized rubber, is as elastomer, which cannot be remolten and hence is particularly challenging to put to a new use. Today, the main end-of-life routes of tires and other rubber products are landfilling, incineration in e.g., cement plants, and grinding to a fine powder, generating huge quantities and indicating a lack of sustainable recycling of this valuable material. True feedstock recycling is not feasible for complex mixtures such as tires, but dev

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Chien, Chuan Chi, Shui Wen Chang-Chien, Min Chao Wang, Yuan Chung Liao, Yueh Shih Lu, and Tsung Yin Yang. "Improvement of Acid Clay Using Calcium-Rich By-Product Recovered from Petroleum De-Sulfur Operation." Advanced Materials Research 853 (December 2013): 276–81. http://dx.doi.org/10.4028/www.scientific.net/amr.853.276.

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The objective of this research is to study the efficiency of acclimating the Tapumei Series red clay collected from Ming-Tou, Na-Tou in central Taiwan by using the calcium-rich by-product recovered from the CFB (Circulation Fluidized-Bed Boiler) de-sulfur operation. At the end of the testing period, the samples were dried, sieved and analyzed for pH, exchangeable calcium, magnesium, potassium, and sodium, and aluminum. The plant growth was observed for 7 weeks in order to investigate the influence of soil improvement on the growth and production of corn. The results reveal that all samples sho

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Amano, Tamaki, Akitoshi Seiyama, and Motomi Toichi. "Brain Activity Measured With Near-Infrared Spectroscopy During EMDR Treatment of Phantom Limb Pain." Journal of EMDR Practice and Research 7, no. 3 (2013): 144–53. http://dx.doi.org/10.1891/1933-3196.7.3.144.

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This report describes a female client with phantom limb pain (PLP), who was successfully treated by eye movement desensitization and reprocessing (EMDR) using a PLP protocol, as well as her cerebral activities, measured by near-infrared spectroscopy (NIRS), throughout the therapeutic session. She suffered from paralysis in the left lower limb because of sciatic nerve damage caused by a surgical accident, in which she awoke temporarily from anesthesia during surgery and felt intense fear. When recalling this experience, the superior temporal sulcus was activated. However, at the end of the sess

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Cavanaugh, Colleen M. "Electron microscopy and the deep sea: Discovery and exploration of symbioses between invertebrates and bacteria." Proceedings, annual meeting, Electron Microscopy Society of America 46 (1988): 6–7. http://dx.doi.org/10.1017/s0424820100102110.

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Electron microscopy has played an important role in the discovery of symbioses between sulfur-oxidizing chemoautotrophic bacteria and marine invertebrates. Initially proposed for deep-sea hydrothermal vent tubeworms, associations between chemoautotrophs and invertebrate hosts appear to be widespread in nature (see review). In these proposed mutualistic symbioses, bacterial endosymbionts are thought to provide the host animal with an internal source of nutrition via the autotrophic fixation of CO2, analogous to the role of chloroplasts in plants. Reduced inorganic compounds, e.g., sulfide, serv

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Hayashida, Hakase, James R. Christian, Amber M. Holdsworth, et al. "CSIB v1 (Canadian Sea-ice Biogeochemistry): a sea-ice biogeochemical model for the NEMO community ocean modelling framework." Geoscientific Model Development 12, no. 5 (2019): 1965–90. http://dx.doi.org/10.5194/gmd-12-1965-2019.

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Abstract. Process-based numerical models are a useful tool for studying marine ecosystems and associated biogeochemical processes in ice-covered regions where observations are scarce. To this end, CSIB v1 (Canadian Sea-ice Biogeochemistry version 1), a new sea-ice biogeochemical model, has been developed and embedded into the Nucleus for European Modelling of the Ocean (NEMO) modelling system. This model consists of a three-compartment (ice algae, nitrate, and ammonium) sea-ice ecosystem and a two-compartment (dimethylsulfoniopropionate and dimethylsulfide) sea-ice sulfur cycle which are coupl

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Mandal, Subhrangshu, Moidu Jameela Rameez, Sumit Chatterjee, et al. "Molecular mechanism of sulfur chemolithotrophy in the betaproteobacterium Pusillimonas ginsengisoli SBSA." Microbiology 166, no. 4 (2020): 386–97. http://dx.doi.org/10.1099/mic.0.000890.

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Chemolithotrophic sulfur oxidation represents a significant part of the biogeochemical cycling of this element. Due to its long evolutionary history, this ancient metabolism is well known for its extensive mechanistic and phylogenetic diversification across a diverse taxonomic spectrum. Here we carried out whole-genome sequencing and analysis of a new betaproteobacterial isolate, Pusillimonas ginsengisoli SBSA, which is found to oxidize thiosulfate via the formation of tetrathionate as an intermediate. The 4.7 Mb SBSA genome was found to encompass a soxCDYZAXOB operon, plus single thiosulfate

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Olson, Kenneth R., and Karl D. Straub. "The Role of Hydrogen Sulfide in Evolution and the Evolution of Hydrogen Sulfide in Metabolism and Signaling." Physiology 31, no. 1 (2016): 60–72. http://dx.doi.org/10.1152/physiol.00024.2015.

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The chemical versatility of sulfur and its abundance in the prebiotic Earth as reduced sulfide (H2S) implicate this molecule in the origin of life 3.8 billion years ago and also as a major source of energy in the first seven-eighths of evolution. The tremendous increase in ambient oxygen ∼600 million years ago brought an end to H2S as an energy source, and H2S-dependent animals either became extinct, retreated to isolated sulfide niches, or adapted. The first 3 billion years of molecular tinkering were not lost, however, and much of this biochemical armamentarium easily adapted to an oxic envi

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RAMASAMY, KARTHIK, WEERAKANYA MANEEPRAKORN, NASIR IQBAL, MOHAMMAD AZAD MALIK, and PAUL O'BRIEN. "COBALT(II)/NICKEL(II) COMPLEXES OF DITHIOACETYLACETONE [M(SacSac)2](M = Co, Ni) AS SINGLE SOURCE PRECURSORS FOR COBALT/NICKEL SULFIDE NANOSTRUCTURES." International Journal of Nanoscience 10, no. 04n05 (2011): 815–22. http://dx.doi.org/10.1142/s0219581x11009234.

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Cobalt(II)/Nickel(II) complexes of 4-thiopent-3-ene-2-thione (SacSac), [ M(SacSac) 2]( M = Co, Ni ) have been used as single source precursors (SSPs) for the preparation of cobalt/nickel sulfide thin films by aerosol-assisted chemical vapor deposition (AACVD). Cobalt or nickel sulfide nanoparticles were grown by thermal decomposition of the precursor in hot trioctylphosphine oxide (TOPO) or hexadecylamine (HDA). XRD analysis showed that all samples of cobalt or nickel sulfide are of the sulfur deficient phases ( Ni9S8, Co9S8, Ni7S6 , or Ni3S2 ). SEM and TEM analysis showed that nickel sulfide

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Blackall, Linda L. "Interesting anaerobes in the environment." Microbiology Australia 36, no. 3 (2015): 133. http://dx.doi.org/10.1071/ma15046.

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Prokaryotes (Bacteria and Archaea) have a wide range of capacities to survive by generating energy in environments and situations lacking oxygen, which abound on Earth. Anaerobic metabolic strategies include anaerobic respiration (numerous types – e.g. nitrate reduction – Paracoccus denitrificans; sulfur respiration – Desulfuromonadales; methanogenesis – Methanosarsina spp.; iron reduction – Geobacter spp.; dehalorespiration – Dehalococcoides ethenogenes) and fermentation (sugars converted to simpler organic compounds like acids, gases and alcohols – e.g. Lactobacillus spp.). Relatively novel

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Knoll, Andrew H., and Donald E. Canfield. "Isotopic Inferences on Early Ecosystems." Paleontological Society Papers 4 (October 1998): 212–43. http://dx.doi.org/10.1017/s1089332600000449.

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Long thought to be inaccessible to empirical inquiry, Earth's early biosphere has in recent decades become a central focus of evolutionary and paleobiological research. Knowledge of Precambrian ecosystems comes from three principal sources. The conventional fossil record consists of the compressed and permineralized remains of cyanobacteria, protists and other microorganisms (e.g., Knoll, 1996), complemented by stromatolites and oncolites, the accretionary trace fossils of microbial mat communities (Walter, 1976). Independent inferences about early evolution can be drawn from molecular phyloge

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Šefl, V. "Parameters influencing the low-cycle fatigue life of materials in pressure water reactor nuclear power plants / Parametry ovlivòující únavové chování materiálù pro tlakovodní jaderné reaktory v režimu nízkocyklové únavy." Koroze a ochrana materialu 59, no. 3 (2015): 91–98. http://dx.doi.org/10.1515/kom-2015-0016.

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Abstract In this literature review we identify and quantify the parameters influencing the low-cycle fatigue life of materials commonly used in nuclear power plants. The parameters are divided into several groups and individually described. The main groups are material properties, mode of cycling and environment parameters. The groups are further divided by the material type - some parameters influence only certain kind of material, e.g. sulfur content may decreases fatigue life of carbon steel, but is not relevant for austenitic stainless steel; austenitic stainless steel is more sensitive to

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Zhang, Lingxiu, Huilan Yi та Nan Sang. "Sulfur dioxide-induced exacerbation of airway inflammation via reactive oxygen species production and the toll-like receptor 4/nuclear factor-κB pathway in asthmatic mice". Toxicology and Industrial Health 37, № 9 (2021): 564–72. http://dx.doi.org/10.1177/07482337211033136.

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Sulfur dioxide (SO2) is a common air pollutant that can exacerbate asthmatic airway inflammation. The mechanisms underlying these effects are not yet fully understood. In this study, we investigated the effects of SO2 exposure (10 mg/m3) on asthmatic airway inflammation in ovalbumin-induced asthmatic mice. Our results showed that SO2 exposure alone induced slight airway injury, decreased superoxide dismutase activity, and increased nuclear factor-κB (NF-κB) expression in the lungs of mice. Moreover, SO2 exposure in asthmatic mice induced marked pathological damage, significantly increased the

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Żółtowski, Andrzej, and Wojciech Gis. "Ammonia Emissions in SI Engines Fueled with LPG." Energies 14, no. 3 (2021): 691. http://dx.doi.org/10.3390/en14030691.

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Ammonia is a toxic exhaust component emitted from internal combustion engines. Both pure ammonia and the products of its reaction with nitrogen and sulfur compounds, being the source of particulate matter (PM) emissions, are dangerous for human health and life. The aim of the article was to demonstrate that NH3 can be produced in exhaust gas after-treatment systems of spark-ignition (SI) engines used in light-duty vehicles. In some cases, NH3 occurs in high enough concentrations that can be harmful and dangerous. It would be reasonable to collect research data regarding this problem and consid

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Briechle, Bernd M., Youngsang Kim, Philipp Ehrenreich, et al. "Current–voltage characteristics of single-molecule diarylethene junctions measured with adjustable gold electrodes in solution." Beilstein Journal of Nanotechnology 3 (November 26, 2012): 798–808. http://dx.doi.org/10.3762/bjnano.3.89.

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We report on an experimental analysis of the charge transport through sulfur-free photochromic molecular junctions. The conductance of individual molecules contacted with gold electrodes and the current–voltage characteristics of these junctions are measured in a mechanically controlled break-junction system at room temperature and in liquid environment. We compare the transport properties of a series of molecules, labeled TSC, MN, and 4Py, with the same switching core but varying side-arms and end-groups designed for providing the mechanical and electrical contact to the gold electrodes. We p

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Prisk, G. K., A. M. Lauzon, S. Verbanck, et al. "Anomalous behavior of helium and sulfur hexafluoride during single-breath tests in sustained microgravity." Journal of Applied Physiology 80, no. 4 (1996): 1126–32. http://dx.doi.org/10.1152/jappl.1996.80.4.1126.

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We performed single-breath wash-in tests for He and SF6 in four subjects exposed to 14 days of microgravity (microG) during the Spacelab flight Spacelab Life Sciences-2. Subjects inspired a vital capacity breath of 5% He-1.25% SF6-balance O2 and then exhaled to residual volume at 0.5l/s. The tests were also performed with a 10-s breath hold at the end of inspiration. Measurements were also made with the subjects standing and supine in 1 G. Phase III slope was measured after the dead-space washout and before the onset of airway closure. In all subjects in 1 G, whether standing or supine, phase

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Khare, Peeyush, Jo Machesky, Ricardo Soto, Megan He, Albert A. Presto, and Drew R. Gentner. "Asphalt-related emissions are a major missing nontraditional source of secondary organic aerosol precursors." Science Advances 6, no. 36 (2020): eabb9785. http://dx.doi.org/10.1126/sciadv.abb9785.

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Asphalt-based materials are abundant and a major nontraditional source of reactive organic compounds in urban areas, but their emissions are essentially absent from inventories. At typical temperature and solar conditions simulating different life cycle stages (i.e., storage, paving, and use), common road and roofing asphalts produced complex mixtures of organic compounds, including hazardous pollutants. Chemically speciated emission factors using high-resolution mass spectrometry reveal considerable oxygen and reduced sulfur content and the predominance of aromatic (~30%) and intermediate/sem

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Trömel, M. "Atomvolumen, Packungsdichte der Atome und chemische Bindung in nichtmetallischen Elementen." Acta Crystallographica Section B Structural Science 63, no. 4 (2007): 532–36. http://dx.doi.org/10.1107/s0108768107022604.

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The atomic volume of crystalline elements is largely determined by the packing density of atoms in the respective modification. The determination of packing density is improved by assuming that the atomic distances depend on bond valences according to Pauling's equation. With the additional assumption of equal valence in different modifications, the experimental atomic volume of an element in any given structure is reduced to its volume in close-packed structures, e.g. f.c.c. The ratio of this reduced atomic volume and the experimental atomic volume is a measure of packing density. Reduced ato

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Lascano, Agustina M., Frédéric Grouiller, Mélanie Genetti, et al. "Surgically Relevant Localization of the Central Sulcus With High-Density Somatosensory-Evoked Potentials Compared With Functional Magnetic Resonance Imaging." Neurosurgery 74, no. 5 (2014): 517–26. http://dx.doi.org/10.1227/neu.0000000000000298.

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Abstract BACKGROUND: Resection of abnormal brain tissue lying near the sensorimotor cortex entails precise localization of the central sulcus. Mapping of this area is achieved by applying invasive direct cortical electrical stimulation. However, noninvasive methods, particularly functional magnetic resonance imaging (fMRI), are also used. As a supplement to fMRI, localization of somatosensory-evoked potentials (SEPs) recorded with an electroencephalogram (EEG) has been proposed, but has not found its place in clinical practice. OBJECTIVE: To assess localization accuracy of the hand somatosenso

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Panahi, Yunes, Amirhossein Sahebkar, Seyyed Masoud Davoudi, Mojtaba Amiri, and Fatemeh Beiraghdar. "Efficacy and Safety of Immunotherapy with Interferon-Gamma in the Management of Chronic Sulfur Mustard-Induced Cutaneous Complications: Comparison with Topical Betamethasone 1%." Scientific World Journal 2012 (2012): 1–7. http://dx.doi.org/10.1100/2012/285274.

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The present trial investigated the efficacy of immunotherapy with interferon-gamma (IFN-γ) in the treatment of sulfur mustard (SM)-induced chronic skin complications. Forty subjects who were suffering from chronic skin complications of SM and were diagnosed to have severe atopic dermatitis, were assigned to IFN-γ (50 μg/m2) subcutaneously three times per week (n=20) or betamethasone valerate topical cream 0.1% (n=20) every night for 30 days. Extent and intensity of cutaneous complications was evaluated using scoring atopic dermatitis (SCORAD) index, and quality of life using dermatology life q

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Rowe, BA, and DE Johnson. "Residual benefits of limestone and superphosphate on barley yields and soil-water deficits on a krasnozem in north-western Tasmania." Australian Journal of Experimental Agriculture 35, no. 5 (1995): 611. http://dx.doi.org/10.1071/ea9950611.

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Twelve years after the last application of limestone, the residual benefits of 15 t/ha of surface applied limestone were measured on barley grown on a krasnozem [Gn4.11, pH 5.5 (1:5 soil:water)] at Elliott in north-western Tasmania. Liming increased grain yield by 77% (1.9 t/ha) when phosphorus (P), sulfur (S), potassium (K), and molybdenum (Mo) were non-limiting. An increase in the number of ears per m2 accounted for 73% of the yield increase, number of seeds per ear 20%, and slightly larger grains 7%. The soil-water deficit on the limed plots at the end of the growing season did not exceed t

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Ben Hania, Wajdi, Anne Postec, Thomas Aüllo, et al. "Mesotoga infera sp. nov., a mesophilic member of the order Thermotogales , isolated from an underground gas storage aquifer." International Journal of Systematic and Evolutionary Microbiology 63, Pt_8 (2013): 3003–8. http://dx.doi.org/10.1099/ijs.0.047993-0.

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Strain VNs100T, a novel mesophilic, anaerobic, rod-coccoid-shaped bacterium, having a sheath-like outer structure (toga), was isolated from a water sample collected in the area of an underground gas storage aquifer. It was non-motile with cells appearing singly (2–4 µm long×1–2 µm wide), in pairs or as long chains and stained Gram-negative. Strain VNs100T was heterotrophic, able to use arabinose, cellobiose, fructose, galactose, glucose, lactose, lactate, mannose, maltose, raffinose, ribose, sucrose and xylose as energy sources only in the presence of elemental sulfur as terminal electron acce

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Brosnan, John T. "Homocysteine and Cardiovascular Disease: Interactions Between Nutrition, Genetics and Lifestyle." Canadian Journal of Applied Physiology 29, no. 6 (2004): 773–80. http://dx.doi.org/10.1139/h04-050.

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Homocysteine is a sulfur-containing amino acid that arises during methionine metabolism. Although its concentration in plasma is only about 10 micromolar, even moderate hyperhomocysteinemia is associated with increased incidence of cardiovascular disease and Alzheimer's disease. Elevations in plasma homocysteine are commonly found as a result of vitamin deficiencies, polymorphisms of enzymes of methionine metabolism, and renal disease. Pyridoxal, folic acid, riboflavin, and Vitamin B12 are all required for methionine metabolism, and deficiences of each of these vitamins result in elevated plas

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