Results 11 to 20 of about 1,501,543 (304)

Molecular evidence for sediment nitrogen fixation in a temperate New England estuary [PDF]

open access: yes, 2016
Primary production in coastal waters is generally nitrogen (N) limited with denitrification outpacing nitrogen fixation (N2-fixation). However, recent work suggests that we have potentially underestimated the importance of heterotrophic sediment N2 ...
Foster, Sarah Q.   +3 more
core   +3 more sources

RNA-Seq study reveals genetic responses of diverse wild soybean accessions to increased ozone levels

open access: yesBMC Genomics, 2017
Background Ozone is an air pollutant widely known to cause a decrease in productivity in many plant species, including soybean (Glycine max (L.) Merr).
Nathan Waldeck   +5 more
doaj   +1 more source

Fertility and biochemical activity in sodic soils 17 years after reclamation with flue gas desulfurization gypsum

open access: yesJournal of Integrative Agriculture, 2021
Previous studies have mainly focused on changes in soil physical and chemical properties to evaluate the reclamation of sodic soils using flue gas desulfurization (FGD) gypsum.
Yong-gan ZHAO   +5 more
doaj   +1 more source

Testing the limits of contextual constraint: interactions with word frequency and parafoveal preview during fluent reading [PDF]

open access: yes, 2017
Contextual constraint is a key factor affecting a word's fixation duration and its likelihood of being fixated during reading. Previous research has generally demonstrated additive effects of predictability and frequency in fixation times.
Hand, Christopher J.   +4 more
core   +4 more sources

Metabolic Engineering Escherichia coli for the Production of Lycopene

open access: yesMolecules, 2020
Lycopene, a potent antioxidant, has been widely used in the fields of pharmaceuticals, nutraceuticals, and cosmetics. However, the production of lycopene extracted from natural sources is far from meeting the demand.
Zhaobao Wang   +3 more
doaj   +1 more source

Evolutionary Dynamics on Small-Order Graphs [PDF]

open access: yes, 2009
. We study the stochastic birth-death model for structured finite populations popularized by Lieberman et al. [Lieberman, E., Hauert, C., Nowak, M.A., 2005. Evolutionary dynamics on graphs. Nature 433, 312-316].
Antal T.   +16 more
core   +1 more source

Saccade-related modulations of neuronal excitability support synchrony of visually elicited spikes [PDF]

open access: yes, 2011
During natural vision, primates perform frequent saccadic eye movements, allowing only a narrow time window for processing the visual information at each location.
Ito, Junji   +3 more
core   +1 more source

Recent Advances in Developing Artificial Autotrophic Microorganism for Reinforcing CO2 Fixation

open access: yesFrontiers in Microbiology, 2020
With the goal of achieving carbon sequestration, emission reduction and cleaner production, biological methods have been employed to convert carbon dioxide (CO2) into fuels and chemicals.
Bo Liang   +4 more
doaj   +1 more source

Differences in microbial diversity and environmental factors in ploughing-treated tobacco soil

open access: yesFrontiers in Microbiology, 2022
During agricultural production, plowing affects the existing traits of the planted soil, including environmental factors (physicochemical properties and soil enzymatic activity) and microbial community, but whether deep tillage and conventional tillage ...
Yuzhen Zhang   +7 more
doaj   +1 more source

Retrospective review of patients with testicular torsion in a University Hospital in Bahrain

open access: yesUrology Annals, 2023
Introduction: Testicular torsion is a surgical emergency that, with delayed treatment, may be associated with loss of the testis. It commonly presents with sudden onset testicular pain, vague lower abdominal pain, nausea, and vomiting.
Ishaq M Alkooheji   +4 more
doaj   +1 more source

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