Results 91 to 100 of about 225,493 (345)
Symbiotic unicellular cyanobacteria fix nitrogen in the Arctic Ocean. [PDF]
, 2018 Biological dinitrogen (N2) fixation is an important source of nitrogen (N) in low-latitude open oceans. The unusual N2-fixing unicellular cyanobacteria (UCYN-A)/haptophyte symbiosis has been found in an increasing number of unexpected environments ...
Bronk, Deborah A +5 more
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Nitrogen removal in marine environments: recent findings and future research challenges [PDF]
, 2005 Respiratory reduction of nitrate (denitrification) is recognized as the most important process converting biologically available (fixed) nitrogen to N2. In current N cycle models, a major proportion of global marine denitrification (50–70%) is assumed to
Aller, Robert Curwood +7 more
core +3 more sources
Advanced Functional Materials, EarlyView.Metabolic changes in immune cells direct the phenotype and function of the host immune system. Smart nanomaterials must target metabolic pathways to direct immune cell fate. This study reports the fabrication and first application of germanane quantum dots (GeHQDs) to modulate inflammation in vitro and in vivo.
Abhay Srivastava +7 more
wiley +1 more source
Extreme enrichment in atmospheric 15N15N. [PDF]
, 2017 Molecular nitrogen (N2) comprises three-quarters of Earth's atmosphere and significant portions of other planetary atmospheres. We report a 19 per mil (‰) excess of 15N15N in air relative to a random distribution of nitrogen isotopes, an enrichment that ...
Fischer, Tobias P +8 more
core +1 more source
Controlling 3D Contractility via Engineered Fibrous Hydrogel Composites
Advanced Functional Materials, EarlyView.A tunable composite contractile assembly (CCA) is developed that can permit or resist contraction without changing cell‐adhesion and density, unlike collagen whose inherent coupling of these ECM cues limits its use as a platform in contractility studies.
Karen L. Xu +7 more
wiley +1 more source
Microgravity Effects on the Early Events of Biological Nitrogen Fixation in Medicago Truncatula: Results from the SyNRGE Experiment [PDF]
, 2012 SyNRGE (Symbiotic Nodulation in a Reduced Gravity Environment) was a sortie mission on STS-135 in the Biological Research in Canisters (BRIC) hardware to study the effect of microgravity on a plant-microbe symbiosis resulting in biological nitrogen ...
Roberts, Michael, Stutte, Gary W.
core +1 more source
Upcycling of Disposable Face Masks into Water‐Resistant and Flame Retardant Foams
Advanced Functional Materials, EarlyView.Disposable mask waste is upcycled into lightweight polypropylene‐based foams with tunable porosity and composite architectures reinforced by ear‐loop fibers. The sustainable solvent‐based process enables upcycling rates of 91% and solvent recovery of >90%.
Jingjing Pan +3 more
wiley +1 more source
<p dir="ltr">Biological nitrogen fixation supplies the largest quantity of new, natural nitrogen to terrestrial ecosystems, but little is known about its function and controls in tropical forests. Recent work at Barro Colorado Island and the facilities of the Smithsonian Tropical Research Institute has made substantial advances in our ...
Nina Wurzburger, Sarah A. Batterman
openaire +3 more sources
Agronomy, Nutritional Value, and Medicinal Application of Faba Bean (Vicia faba L.)
Horticultural Plant Journal, 2019 Faba bean (Vicia faba L.) is a cool season grain legume crop with the potential to be grown as multi-purpose crop in areas with short growing season. Faba bean is grown in many regions in the world due to its high nutritional value, medicinal effect, and
Fatemeh Etemadi +4 more
doaj +1 more source
Luzerne-Sortenvergleich im Trockengebiet Ostösterreichs [PDF]
, 2007 The main source of nitrogen in organic farming is biological nitrogen fixation, the result of a symbiosis between legumes and nodulating bacteria. Lucerne (Medicago sativa L.) is the most biomass efficient forage legume under the semiarid conditions in ...
Freyer, Bernhard +3 more
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