Results 101 to 110 of about 461,590 (157)
Microorganisms and Their Metabolic Capabilities in the Context of the Biogeochemical Nitrogen Cycle at Extreme Environments. [PDF]
MartÃnez-Espinosa RM.
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The Nitrogen Cycle: A Large, Fast, and Mystifying Cycle. [PDF]
Takai K.
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Anthropogenic changes to the Holocene nitrogen cycle in Ireland. [PDF]
Guiry E +5 more
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Current Opinion in Chemical Biology, 1998
The minimal nitrogen cycle involves five reduction reactions and three oxidation reactions, each of which poses interesting problems in bioinorganic chemistry, energy transduction and protein structure/function relationships. Many of the major recent developments in this field have depended on the acquisition of protein crystal structures, including ...
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The minimal nitrogen cycle involves five reduction reactions and three oxidation reactions, each of which poses interesting problems in bioinorganic chemistry, energy transduction and protein structure/function relationships. Many of the major recent developments in this field have depended on the acquisition of protein crystal structures, including ...
openaire +2 more sources
2006
Elemental nitrogen (N2) makes up 80% of the atmosphere (by volume) and represents the dominant form of atmospheric nitrogen gas. Despite its high atmospheric abundance, N2 is generally nonreactive, due to strong triple bonding between the N atoms, making much of this N2 pool unavailable to organisms.
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Elemental nitrogen (N2) makes up 80% of the atmosphere (by volume) and represents the dominant form of atmospheric nitrogen gas. Despite its high atmospheric abundance, N2 is generally nonreactive, due to strong triple bonding between the N atoms, making much of this N2 pool unavailable to organisms.
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2001
In this chapter, we discuss the current understanding of internal N cycling, or the flow of N through plant and soil components, in the Niwot Ridge alpine ecosystem. We consider the internal N cycle largely as the opposing processes of uptake and incorporation of N into organic form and mineralization of N from organic to inorganic form.
Melany C. Fisk, Paul D. Brooks
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In this chapter, we discuss the current understanding of internal N cycling, or the flow of N through plant and soil components, in the Niwot Ridge alpine ecosystem. We consider the internal N cycle largely as the opposing processes of uptake and incorporation of N into organic form and mineralization of N from organic to inorganic form.
Melany C. Fisk, Paul D. Brooks
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Nitrogen Cycle Electrocatalysis
Chemical Reviews, 2009Victor, Rosca +3 more
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1981
Nitrogen has a crucial role to play in primary productivity, and indeed is the plant nutrient required in greatest quantity. In the biosphere it undergoes what is essentially a cyclical eight-electron shuttle between the most oxidized form at valence +5 (NO 3 - ) and the most reduced form at valence -3 (NH3).
W. D. Grant, P. E. Long
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Nitrogen has a crucial role to play in primary productivity, and indeed is the plant nutrient required in greatest quantity. In the biosphere it undergoes what is essentially a cyclical eight-electron shuttle between the most oxidized form at valence +5 (NO 3 - ) and the most reduced form at valence -3 (NH3).
W. D. Grant, P. E. Long
openaire +1 more source

