Results 11 to 20 of about 14,221 (217)
Hydrides mediate nitrogen fixation
Cell Reports Physical Science, 2022 Summary: The fixation of atmospheric dinitrogen to ammonia is crucial for the sustainable growth of human society. The reduction of N2 to NH3 needs the inputs of electrons and hydrogens, which could be supplied by hydridic hydrogens. Hydrides are thus at
Qianru Wang +3 more
doaj +1 more source
Nature Communications, 2022 Direct conversion of dinitrogen to organonitrogen compounds is a challenging goal in nitrogen fixation chemistry. Here, the authors report the catalytic formation of cyanate anion from dinitrogen under ambient conditions using a molybdenum complex.
Takayuki Itabashi +8 more
doaj +1 more source
Frontiers in Plant Science, 2023 In mature symbiotic root nodules, differentiated rhizobia fix atmospheric dinitrogen and provide ammonium to fulfill the plant nitrogen (N) demand. The plant enables this process by providing photosynthates to the nodules.
Marie-Laure Martin +15 more
doaj +1 more source
Catalytic nitrogen fixation using visible light energy
Nature Communications, 2022 The development of a nitrogen fixation process that relies on the renewable energy, such as visible light, is an important goal in sustainable chemistry. Here, authors establish an iridium and molybdenum-catalysed ammonia formation from dinitrogen driven
Yuya Ashida +8 more
doaj +1 more source
Dinitrogen Fixation in Male-Sterile Soybeans [PDF]
Plant Physiology, 1982 Partial male-sterile (ms(4)/ms(4)) soybeans (Glycine max L. Merr.) and their fertile isoline (Ms(4)/Ms(4)) were grown in adjoining field plots. From 62 until 92 days after emergence, the nitrogenase activity, assayed by acetylene reduction, of the average male-sterile plant was approximately twice that of the average fertile plant. At approximately 100
J, Imsande, E J, Ralston
openaire +2 more sources
How many metals does it take to fix N2? A mechanistic overview of biological nitrogen fixation [PDF]
, 2006 During the process of biological nitrogen fixation, the enzyme nitrogenase catalyzes the ATP-dependent reduction of dinitrogen to ammonia. Nitrogenase consists of two component metalloproteins, the iron (Fe) protein and the molybdenum-iron (MoFe) protein;
Howard, James B., Rees, Douglas C.
core +1 more source
Diazotrophs Show Signs of Restoration in Amazon Rain Forest Soils with Ecosystem Rehabilitation. [PDF]
, 2020 Biological nitrogen fixation can be an important source of nitrogen in tropical forests that serve as a major CO2 sink. Extensive deforestation of the Amazon is known to influence microbial communities and the biogeochemical cycles they mediate. However,
Bohannan, Brendan JM +5 more
core +3 more sources
Sustainable synthesis of amino acids by catalytic fixation of molecular dinitrogen and carbon dioxide [PDF]
, 2018 The industrial process of nitrogen fixation is complex and results in a huge economic and environmental impact. It requires a catalyst and high temperature and pressure to induce the rupture of the strong N–N bond and subsequent hydrogenation.
Alemán Llansó, Carlos +4 more
core +2 more sources
Gradient-Driven Molecule Construction: An Inverse Approach Applied to the Design of Small-Molecule Fixating Catalysts [PDF]
, 2014 Rational design of molecules and materials usually requires extensive screening of molecular structures for the desired property. The inverse approach to deduce a structure for a predefined property would be highly desirable, but is, unfortunately, not ...
Reiher, Markus, Weymuth, Thomas
core +1 more source
Role of molybdenum in dinitrogen fixation by Clostridium pasteurianum [PDF]
Journal of Bacteriology, 1975 The role of Mo in the activity and synthesis of the nitrogenase components of Clostridium pasteurianum has been studied by observing the competition of Mo with its structural analogue W. Clostridial cells when fixing N2 appeared strictly dependent upon the available Mo, showing maximal N2-fixing activity at molybdate concentrations in the media of 10 ...
J, Cardenas, L E, Mortenson
openaire +2 more sources