Results 151 to 160 of about 227,979 (276)

The Pristine survey II: a sample of bright stars observed with FEROS

open access: yes, 2017
Extremely metal-poor (EMP) stars are old objects formed in the first Gyr of the Universe. They are rare and, to select them, the most successful strategy has been to build on large and low-resolution spectroscopic surveys.
Aguado, D. S.   +10 more
core   +2 more sources

The performance of different methods in characterizing soil live prokaryotic diversity and abundance is highly variable

open access: yesiMetaOmics, Volume 2, Issue 2, June 2025.
We systematically compared and assessed the commonly used methods for studying live soil microbes, including alkaline buffer washing, propidium monoazide (PMA) treatment, DNase pre‐digestion, and rRNA‐based analysis, based on soils collected across the western region of China.
Yuan Du   +9 more
wiley   +1 more source

Ascorbic and silicic acid application mitigated toxic effects of ozone in mung bean (Vigna radiata L. Wilczek) by modulating growth, secondary metabolites, water relations, and grain quality attributes

open access: yesJournal of the Science of Food and Agriculture, Volume 105, Issue 8, Page 4400-4411, June 2025.
Abstract BACKGROUND Elevated levels of tropospheric ozone (O3) pose a significant threat to plant health and productivity. Developing ozone‐tolerant varieties is crucial for mitigating these environmental stresses. This study investigates the effects of ascorbic acid (AA) and silicic acid (SA) treatments on 12 different mung bean varieties under ...
Naeem Iqbal   +4 more
wiley   +1 more source

Stellar population in star formation regions of galaxies

open access: yesOpen Astronomy, 2018
We developed techniques for searching young unresolved star groupings (clusters, associations, and their complexes) and of estimating their physical parameters.
Gusev Alexander S.   +5 more
doaj   +1 more source

Lysine acetylation modulates s‐OPA1 GTPase activity and oligomerization in mitochondrial membrane remodeling

open access: yesProtein Science, Volume 34, Issue 6, June 2025.
Abstract Mitochondrial dynamics are regulated by coordinated fission and fusion events that rely on key proteins and lipids organized spatially within the mitochondria. The dynamin‐related GTPase Optic Atrophy 1 (OPA1) is essential for inner mitochondrial membrane fusion and cristae structure maintenance.
Javaid Jabbar   +4 more
wiley   +1 more source

Color science of nanocrystal quantum dots for lighting and displays

open access: yesNanophotonics, 2013
Colloidal nanocrystals of semiconductor quantum dots (QDs) are gaining prominence among the optoelectronic materials in the photonics industry. Among their many applications, their use in artificial lighting and displays has attracted special attention ...
Erdem Talha, Demir Hilmi Volkan
doaj   +1 more source

Some Notes on Photometry [PDF]

open access: green, 1892
Silvanus P. Thompson
openalex   +1 more source

The Oxytocin Neurons in the Paraventricular Nucleus Are Essential for Chronic Sleep Deprivation‐Mediated Anxiety‐Related Behaviors

open access: yesCNS Neuroscience &Therapeutics, Volume 31, Issue 6, June 2025.
Chronic sleep deprivation (cSD) promoted anxiety‐related behaviors mainly through inhibiting AMPAR‐mediated postsynaptic excitability of PVNOXT neurons. LTF simulation of PVNOXT neurons could increase anxiety‐like behaviors by inhibiting the PVNOXT‐mPFC pathway. PVNOXT‐mediated inhibitory transmission of the mPFC was enhanced by HSF following cSD.
Yuxin Wang   +17 more
wiley   +1 more source

Quantifying the Contamination from nearby Stellar Companions in Gaia DR3 Photometry

open access: yesThe Astronomical Journal
Identifying and removing binary stars from stellar samples is a crucial but complicated task. Regardless of how carefully a sample is selected, some binaries will remain and complicate interpretation of results, especially via flux contamination of ...
Kendall Sullivan   +3 more
doaj   +1 more source

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