Results 111 to 120 of about 100,188 (300)

Dipole‐Manipulated Built‐In Electric Field Enables Ultrafast Charge Separation in Perylene Diimide Polymers for Photoelectrochemical Water Splitting

open access: yesAdvanced Science, EarlyView.
Molecular dipole engineering in dendritic perylene diimide polymers through nitrogen‐rich heterocyclic linkers amplifies the built‐in electric field, enabling sub‐picosecond charge separation and efficient multi‐electron accumulation. This structure–dynamics–performance relationship establishes a versatile design strategy for high‐performance organic ...
Ying‐Xin Qiao   +11 more
wiley   +1 more source

Ecophysiological traits of grasses: resolving the effects of photosynthetic pathway and phylogeny

open access: yes, 2009
C4 photosynthesis is an important example of convergent evolution in plants, having arisen in eudicots, monocots and diatoms. Comparisons between such diverse groups are confounded by phylogenetic and ecological differences, so that only broad ...
Colin P. Osborne   +6 more
core   +1 more source

Trophic Diversity in Duckweed: Mixotrophy, More Than the Sum of its Extremes

open access: yesAdvanced Science, EarlyView.
In the context of rising DOC in aquatic environments, mixotrophic duckweed may impact carbon cycling by acting as either a carbon sink, as they absorb CO2 through photosynthesis, or a carbon source, as they release CO2 through respiration of absorbed DOC, which depends on DOC concentration, light availability, temperature, and other environmental ...
Zuoliang Sun   +5 more
wiley   +1 more source

Flow of light energy in benthic photosynthetic microbial mats [PDF]

open access: yes, 2010
This work presents, the first balanced light energy budget for a benthic microbial mat ecosystem, and shows how the budget and the spatial distribution of the local photosynthetic efficiencies within the euphotic zone depend on the absorbed irradiance ...
Al-Najjar, M., Al-Najjar, Mohammad
core  

NLSS3 Impairs SHM1 Autophagic Degradation to Regulate Leaf Morphology and Salt Tolerance in Rice

open access: yesAdvanced Science, EarlyView.
In rice, NLSS3 binds and shields SHM1 from autophagic degradation to maintain serine homeostasis. The A132P mutation in nlss3 disrupts this, triggering SHM1 loss, metabolic dysfunction, K+ imbalance, and impaired ROS scavenging, which collectively drive narrow leaves and salt sensitivity.
Xiong Liu   +15 more
wiley   +1 more source

Vernalization of Winter Crops Increases Photosynthetic Energy Conversion Efficiency and Seed Yield

open access: yesPlants
We summarize our present knowledge of the regulation of photostasis and photosynthetic performance versus photoprotection in response to vernalization and conclude that the enhanced photosynthetic performance of winter crops is due to an inherent ...
Norman P. A. Hüner   +5 more
doaj   +1 more source

Wildfire Smoke Boosts Photosynthetic Efficiency

open access: yesEos, 2020
Wildfires can destroy large tracts of vegetation. But their smoke plumes may help crops and other plants use sunlight more efficiently.
openaire   +1 more source

Multiple effects of inhibition of mitochondrial alternative oxidase pathway on photosynthetic apparatus in Rumex K-1 leaves

open access: yes, 2012
The effects of inhibition of mitochondrial alternative oxidase (AOX) respiratory pathway on photosynthetic apparatus in Rumex K-1 leaves were studied.
L.T. Zhang   +4 more
core   +1 more source

Fully Textured Monolithic Sb2S3/Silicon Tandem for Unbiased and Stable Solar‐Driven Water Splitting Paired with Iodide Oxidation Reaction

open access: yesAdvanced Science, EarlyView.
Monolithically integrated Sb2S3 on industry‐compatible textured silicon for tandem photoelectrochemical hydrogen evolution coupled with iodide oxidation. ABSTRACT Solar‐driven photoelectrochemical (PEC) production of chemical fuels such as hydrogen is a viable solution to address climate neutrality objectives.
Jihong Min   +13 more
wiley   +1 more source

The effect of chromium and aluminum on growth, root morphology, photosynthetic parameters and transpiration of the two barley cultivars

open access: yes, 2011
The effect of aluminum and chromium on two barley genotypes differing in Al tolerance was studied in a hydroponic experiment. Al stress decreased plant growth, biomass production, chlorophyll content and photosynthetic efficiency determined as variable ...
G. Zhang, S. Ali, L. Qiu, F. Zeng
core   +1 more source

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