Academic literature on the topic 'Iron carbon associations'

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Journal articles on the topic "Iron carbon associations"

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Ghio, Andrew J., and Dina M. Schreinemachers. "Heme Oxygenase Activity Correlates with Serum Indices of Iron Homeostasis in Healthy Nonsmokers." Biomarker Insights 11 (January 2016): BMI.S36226. http://dx.doi.org/10.4137/bmi.s36226.

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Heme oxygenase (HO) catalyzes the breakdown of heme to carbon monoxide, iron, and biliverdin. While the use of genetically altered animal models in investigation has established distinct associations between HO activity and systemic iron availability, studies have not yet confirmed such participation of HO in iron homeostasis of humans. Carbon monoxide produced through HO activity will bind to hemoglobin in circulating erythrocytes, and therefore, blood carboxyhemoglobin (COHb) can be used as an index of HO activity. Using the second National Health and Nutrition Examination Survey, we tested
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Duan, Xun, Zhe Li, Yuhong Li, et al. "Iron–organic carbon associations stimulate carbon accumulation in paddy soils by decreasing soil organic carbon priming." Soil Biology and Biochemistry 179 (April 2023): 108972. http://dx.doi.org/10.1016/j.soilbio.2023.108972.

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Suzuki, Tomoko, Hideki Hashimoto, Nobuyuki Matsumoto, Mitsuaki Furutani, Hitoshi Kunoh, and Jun Takada. "Nanometer-Scale Visualization and Structural Analysis of the Inorganic/Organic Hybrid Structure of Gallionella ferruginea Twisted Stalks." Applied and Environmental Microbiology 77, no. 9 (2011): 2877–81. http://dx.doi.org/10.1128/aem.02867-10.

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ABSTRACTThe so-called Fe/Mn-oxidizing bacteria have long been recognized for their potential to form extracellular iron hydroxide or manganese oxide structures in aquatic environments. Bacterial species belonging to the genusGallionella, one type of such bacteria, oxidize iron and produce uniquely twisted extracellular stalks consisting of iron oxide-encrusted inorganic/organic fibers. This paper describes the ultrastructure ofGallionellacells and stalks and the visualized structural and spatial localization of constitutive elements within the stalks. Electron microscopy with energy-dispersive
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Zhao, Qian, Simon R. Poulson, Daniel Obrist, et al. "Iron-bound organic carbon in forest soils: quantification and characterization." Biogeosciences 13, no. 16 (2016): 4777–88. http://dx.doi.org/10.5194/bg-13-4777-2016.

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Abstract. Iron oxide minerals play an important role in stabilizing organic carbon (OC) and regulating the biogeochemical cycles of OC on the earth surface. To predict the fate of OC, it is essential to understand the amount, spatial variability, and characteristics of Fe-bound OC in natural soils. In this study, we investigated the concentrations and characteristics of Fe-bound OC in soils collected from 14 forests in the United States and determined the impact of ecogeographical variables and soil physicochemical properties on the association of OC and Fe minerals. On average, Fe-bound OC co
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Joss, Hanna, Monique S. Patzner, Markus Maisch, Carsten W. Mueller, Andreas Kappler, and Casey Bryce. "Cryoturbation impacts iron-organic carbon associations along a permafrost soil chronosequence in northern Alaska." Geoderma 413 (May 2022): 115738. http://dx.doi.org/10.1016/j.geoderma.2022.115738.

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Ma, Yingjun, Xiaofei Wang, Keqiang Zhang, et al. "Increase in more stable iron-organic carbon associations by swine slurry application in paddy soils." Environmental Technology & Innovation 38 (May 2025): 104180. https://doi.org/10.1016/j.eti.2025.104180.

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Porras, R. C., C. E. Hicks Pries, M. S. Torn, and P. S. Nico. "Synthetic iron (hydr)oxide-glucose associations in subsurface soil: Effects on decomposability of mineral associated carbon." Science of The Total Environment 613-614 (February 2018): 342–51. http://dx.doi.org/10.1016/j.scitotenv.2017.08.290.

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Pate, J. S., W. H. Verboom, and P. D. Galloway. "Co-occurrence of Proteaceae, laterite and related oligotrophic soils: coincidental associations or causative inter-relationships?" Australian Journal of Botany 49, no. 5 (2001): 529. http://dx.doi.org/10.1071/bt00086.

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This communication presents the hypothesis that certain Australian lateritic and related oligotrophic soils may have been partly derived biotically from soluble iron-rich complexes generated following secretion of low-molecular weight organic acids by phosphate-absorbing specialised proteoid (cluster) roots of proteaceous plants. Subsequent precipitation of the iron is then pictured as occurring onto the oxide rinds of developing laterite after consumption of the organic components of the complexes by soil bacteria. The hypothesis is f irst examined in relation to current theories of origins o
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Ghio, A. J., J. Stonehuerner, and D. R. Quigley. "Humic-like substances in cigarette smoke condensate and lung tissue of smokers." American Journal of Physiology-Lung Cellular and Molecular Physiology 266, no. 4 (1994): L382—L388. http://dx.doi.org/10.1152/ajplung.1994.266.4.l382.

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Deposition of pigmented matter in the lower respiratory tract correlates with the extent of emphysema in smokers as well as with free radical generation and iron accumulation. Pulmonary emphysema is postulated to be mediated by free radical generation which is either directly or indirectly associated with cigarette smoke exposure. The hypothesis was tested that 1) incomplete combustion of tobacco yields humic-like substances (HLS) which 2) deposit in the lung as pigmented particulates, 3) complex iron cations in vitro and in vivo, and 4) have a capacity to catalyze oxidant formation. HLS, isol
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Fekadu, Miftah, Tsegaye Bekele, and Sisay Feleke. "Carbon Storage of Wooden Houses, Trees, and Grazing Land in Rural Areas of Enemorina Ener District, Southern Ethiopia." Journal of Natural Resources and Development 9 (August 20, 2019): 42–58. http://dx.doi.org/10.5027/jnrd.v9i0.05.

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In Ethiopia, wood was the main construction material for rural houses. In 2013, about 79% of the rural houses of Ethiopia were fully made of wood. Although carbon storage of wood is well known for climate change mitigation, there is lack of information on carbon stock of wooden houses in Ethiopia. Thus, a study was conducted to analyze the carbon stock of dominant land uses that surround rural wooden houses in three agro-ecologies and representative three peasant associations (PA) or Kebeles in Southern Ethiopia. Field measurement and household survey were made by selecting sixty-four houses m
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Book chapters on the topic "Iron carbon associations"

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"Iron." In Around the World in 18 Elements. The Royal Society of Chemistry, 2014. http://dx.doi.org/10.1039/bk9781849738040-00010.

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In Douglas Adams’ Hitchhiker's Guide to the Galaxy, Arthur Dent (Earthman) is extremely put out when he discovers that Ford Prefect (his friend, but not in fact a human) has changed the Guide's entry on Earth from “harmless” to “mostly harmless”. Had Ford given a similarly perfunctory chemical analysis of Earth he might well have entered “mostly iron silicate”. The complexity of life on Earth is certainly dependent upon carbon, liquid water and a source of energy, but the role that iron plays in life on Earth is as varied as it is vital as I hope to convince you. It is impossible to overstate
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Ho, C., and H. W. Kim. "Design of Novel Hemoglobins." In Biological NMR Spectroscopy. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195094688.003.0013.

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Human normal adult hemoglobin (Hb) A, the oxygen carrier of blood, is a tetrameric protein consisting of two α chains of 141 amino acid residues each and two β chains of 146 amino acid residues each. Each Hb chain contains a heme group which is an iron complex of protoporphyrin IX. Under physiological conditions, the heme-iron atoms of Hb remain in the ferrous state. In the absence of oxygen, the four heme-irom atoms in Hb A are in the highspin ferrous state [Fe(II)] with four unpaired electrons each. Each of the four heme-iron atoms in Hb A can combine with an O2 molecule to give oxyhemoglobi
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Morishima, Isao. "Pressure Effects on the Ligand-Binding Kinetics for Hemoproteins and Their Site-Directed Mutants." In High Pressure Effects in Molecular Biophysics and Enzymology. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195097221.003.0016.

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The effects of high pressure up to 1500 bar on the recombination kinetics of oxygen and carbon monoxide (CO) binding to human hemoglobin (intact and isolated chain forms), human myoglobin (and its mutants), and cytochrome P-450 were studied by the use of millisecond and nanosecond laser photolysis. The activation volumes for the binding of CO to the R- and T-quaternary states of hemoglobin (Hbs) were determined to be –9.0 and –31.7 ml, respectively. The characteristic pressure dependence of the activation volume was observed for the R-state Hb but not for the T-state Hb. More detailed studies
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Conference papers on the topic "Iron carbon associations"

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Mirzaei, Yeganeh, Timothy Eglinton, Negar Haghipour, and Yves Gelinas. "Probing Organic Carbon Associations with Iron Oxide and Clay Minerals in Sediments of the St. Lawrence Estuary (Canada) Using Chemical Fractionation, Stable/Radiocarbon Analysis as well as Integrated Machine Learning and Multivariate Analysis." In Goldschmidt 2024. Geochemical Society, 2024. https://doi.org/10.46427/gold2024.24573.

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Moore, Oliver, Alastair Lough, Clare Woulds, Lisa Curti, Caroline Peacock, and William Homoky. "Production of Geopolymerised Organic Carbon in Association with Iron at Hydrothermal Vents." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.20729.

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Sorkhani, Hamidreza Afrand, Mohammad Avatefi Hemmat, Taghi Shamekhi, Elaheh Mohseni, and Osman Devrim Elvan. "Forest Laws and Wildfire: A Comparative Legal Study of Iran, France, Türkiye and South Africa." In 3rd International Congress on Engineering and Life Science. Prensip Publishing, 2023. http://dx.doi.org/10.61326/icelis.2023.17.

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Global warming and climate changes have caused an increase in the frequency and intensity of forest fires in recent years, which in turn exacerbates the climate change speed with the emissions of carbon from burned plant biomass. This paper deals with the comparative study of forest fire in the forest laws of Iran, France, Türkiye and South Africa countries to identify the national solutions in dealing with wildfires and to suggest the best solutions. Comparative law is among the best ways to study the legal solutions of specific countries to learning from each other’s and improve the laws. Co
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Kappanna, Hemanth, Marc C. Besch, Daniel K. Carder, Mridul Gautam, Adewale Oshinuga, and Matt Miyasato. "Development of an Advanced Retrofit Aftertreatment System Targeting Toxic Air Contaminants and Particulate Matter Emissions From HD-CNG Engines." In ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/icef2010-35131.

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Increasing urban pollution levels have led to the imposition of evermore stringent emissions regulations on heavy-duty engines used in transit buses. This has made compressed natural gas (CNG) a promising fuel for reducing emissions, particularly particulate matter (PM) from heavy-duty transit buses. Indeed, research studies performed at West Virginia University (WVU) and elsewhere have shown that pre-2010 compliant natural gas engines emit an order of magnitude lower PM emissions, on a mass basis, when compared to diesel engines without any exhaust aftertreatment devices. However, on a number
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