Results 281 to 290 of about 428,876 (333)

Square‐Planar Ruthenium Alkylidyne Complexes Undergo Stepwise Rather Than Concerted [2 + 2] Cycloadditions with Alkynes

open access: yesAngewandte Chemie, EarlyView.
After decades of research into metal alkylidyne complexes and their extensive use as catalysts for alkyne metathesis, one might think that there is nothing fundamentally new to be discovered in this field. The present study into formally d4‐configured Ru alkylidynes shows that this notion is incorrect: not only is a novel and convenient entry route ...
Mingxu Cui   +3 more
wiley   +2 more sources

Pollinator, herbivore, and climatic selective pressures differ across a floral color transition zone

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Spatial and temporal variations in climate and ecological interactions may underlie the origin and maintenance of floral color polymorphisms across a species range. Betalains are nitrogen‐containing, phylogenetically restricted pigments that, like the widespread and well‐studied anthocyanins and carotenoids, may attract pollinators ...
Sierra L. Jaeger   +5 more
wiley   +1 more source

Long-term effects of simulated microgravity in the central nervous system of rhesus monkeys: a voxel-wise multimodal MRI study. [PDF]

open access: yesFront Physiol
Wang J   +14 more
europepmc   +1 more source

Construction of pathogenic Sec16a mutation mouse model using CRISPR/Cas9

open access: yesAnimal Models and Experimental Medicine, EarlyView.
Yaqiang Hu et al. engineered a pathogenic Sec16a mutant mouse model using CRISPR/Cas9 technology. They observed that the Sec16a mutant mice displayed diminished learning and memory capabilities, along with a limb‐clasping phenotype upon tail suspension.
Yaqiang Hu   +6 more
wiley   +1 more source

Intraspecific support for the climate variability hypothesis: oxidative damage in lizards after acute temperature exposure. [PDF]

open access: yesJ Exp Biol
Haussmann BD   +8 more
europepmc   +1 more source

Flow of heterotrophic production in oligotrophic ocean waters. [PDF]

open access: yesFront Microbiol
Alothman A   +3 more
europepmc   +1 more source

Coccolith clumped isotopes reveal modest rather than extreme northern high latitude amplification during the Miocene. [PDF]

open access: yesNat Commun
Mejía LM   +8 more
europepmc   +1 more source

Exploring the Effect of Production Conditions of Chlorella minutissima on Its Pharmaceutical Potential: A Natural Source for Bioactive Compounds

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In this study, Chlorella minutissima UTEX 234‐1 was produced under 12.43 μmol of photons m−2 s−1 (from the side surface, I1), 23.29 μmol of photons m−2 s−1 (from the top surface, I2), and 62.14 μmol of photons m−2 s−1 (from the top surface, I3) in BG‐11 medium (B1).
Çağla Yarkent   +2 more
wiley   +1 more source

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