Results 171 to 180 of about 14,221 (217)
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Dinitrogen Fixation in Illinois Bundleflower
Crop Science, 2004Symbiotic N2 fixation capacity may affect productivity of the perennial legume Illinois bundleflower [Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald]. Our objective was to estimate N2 fixation of three Illinois bundleflower accessions managed for forage.
Jaehyun Byun +5 more
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1999
Abstract Biological N2 fixation is the conversion of atmospheric N2 to NH3 by bacteria. The reduction of the triple bond of N2 to form NH3 is performed under anaerobic conditions by the nitrogenase enzyme complex at the expense of 12-16 ATP with H2 as a by-product.
David D Myrold +2 more
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Abstract Biological N2 fixation is the conversion of atmospheric N2 to NH3 by bacteria. The reduction of the triple bond of N2 to form NH3 is performed under anaerobic conditions by the nitrogenase enzyme complex at the expense of 12-16 ATP with H2 as a by-product.
David D Myrold +2 more
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Dinitrogen Fixation by Vanadium Complexes with a Triamidoamine Ligand
Inorganic Chemistry, 2018Dinitrogen-divanadium complexes with triamidoamine ligands, 1-3, were synthesized and characterized by resonance Raman, UV-vis, and NMR spectroscopy and elemental and X-ray structure analyses. X-ray structure analyses reveal that all three of the complexes have a dimeric structure with a μ-N2 ligand (N-N bond length 1.200-1.221 Å).
Yoshiaki Kokubo +10 more
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Dark Anaerobic Dinitrogen Fixation by a Photosynthetic Microorganism
Science, 1979Photosynthetic purple bacteria can grow with dinitrogen gas as the sole nitrogen source under anaerobic conditions with light as the energy source. The bacterium Rhodopseudomonas capsulata can fix nitrogen in darkness with alternative energy conversion systems, namely, anaerobic sugar fermentation and aerobic ...
M T, Madigan, J D, Wall, H, Gest
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New Avenues in Dinitrogen Fixation Research
Chemistry - A European Journal, 2001The present article focuses on a recent finding concerning dinitrogen fixation by using titanium oxide/conducting polymer composite systems and its comparison with an earlier fixation method (Schrauzer process) that makes use of a powdered titanium oxide.
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A unifying framework for dinitrogen fixation in the terrestrial biosphere
Nature, 2008Dinitrogen (N(2)) fixation is widely recognized as an important process in controlling ecosystem responses to global environmental change, both today and in the past; however, significant discrepancies exist between theory and observations of patterns of N(2) fixation across major sectors of the land biosphere.
Benjamin Z, Houlton +3 more
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Dinitrogen fixation in the Indian Ocean
2009Several lines of geochemical evidence suggest that biological dinitrogen (N 2 ) fixation is a quantitatively important process in the marine nitrogen (N) cycle. However, global and basin-scale rates of N 2 fixation remain poorly constrained due to spatial and temporal under-sampling; this is particularly the case in the Indian Ocean (IO).
Margaret R. Mulholland +1 more
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Divergent selection for dinitrogen fixation and yield in soybean
Theoretical and Applied Genetics, 1992Nitrogen fixation is generally considered to be a major parameter of productivity in soybean (Glycine max). The aim of the investigations reported here was to analyse the genetic behaviour of this trait in view of its possible use as an indirect criterion of selection for productivity.
N, Burias, C, Planchon
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Regulation of dinitrogen fixation in intact Azotobacter vinelandii
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1974Abstract 1. In intact Azotobacter vinelandii the influence of oxygen on the levels of oxidized nicotinamide adenine dinucleotides and adenine nucleotides in relation to nitrogenase activity was investigated. 2. The hypothesis that a high ( NADH + NADPH ) ( NAD + + NADP + ) is the driving force for the transport of reducing ...
H, Haaker, A, de Kok, C, Veeger
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Ligands for Dinitrogen Fixation at Schrock-Type Catalysts
Inorganic Chemistry, 2009Catalytic dinitrogen reduction with the Schrock complex is still hampered by low turn-over numbers that are likely to result from a degradation of the chelate ligand. In this work, we investigate modifications of the original HIPTN(3)N ligand applied by Schrock and co-workers in catalytic reduction of dinitrogen with density functional methods.
Schenk S, Reiher M
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