Results 111 to 120 of about 1,474,876 (314)

The crystal structures of iron and cobalt pyridine (py)–sulfates, [Fe(SO4)(py)4]n and [Co3(SO4)3(py)11]n

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
The solid-state structures of two metal–pyridine–sulfate compounds, namely catena-poly[[tetrakis(pyridine-κN)iron(II)]-μ-sulfato-κ2O:O′], [Fe(SO4)(C5H5N)4]n, (1), and catena-poly[[tetrakis(pyridine-κN)cobalt(II)]-μ-sulfato-κ2O:O′-[tetrakis(pyridine-κN ...
Duyen N. K. Pham   +4 more
doaj   +1 more source

Dimethyl sulfate and diisopropyl sulfate as practical and versatile O-sulfation reagents

open access: yesNature Communications
AbstractO-Sulfation is a vital post-translational modification in bioactive molecules, yet there are significant challenges with their synthesis. Dialkyl sulfates, such as dimethyl sulfate and diisopropyl sulfate are commonly used as alkylation agents in alkaline conditions, and result in the formation of sulfate byproducts.
Shuaishuai Yue   +6 more
openaire   +3 more sources

ALDOA Promotes Glycolysis and NLRP3/GSDMD Pyroptosis to Accelerate ALS Progression

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Amyotrophic lateral sclerosis (ALS) is characterized by progressive motor neuron degeneration. Glycolytic dysregulation is implicated in disease progression, yet the underlying mechanisms remain unclear. This study investigates how Aldolase A (ALDOA) drives ALS progression through glycolysis‐mediated motor neuron pyroptosis.
Kaixin Yan   +9 more
wiley   +1 more source

Possible contribution of heavy pollution to the decadal change of rainfall over eastern China during the summer monsoon season

open access: yesEnvironmental Research Letters, 2013
A regional climate model (RegCM4.1) is used to conduct two sets of sensitivity experiments. There are 20-year runs in each set of experiments. The experiments in each set include the variation of anthropogenic SO _2 emissions during 1989–2008 but exclude
Yang Zhou   +5 more
doaj   +1 more source

The composition of ambient and fresh biomass burning aerosols at a savannah site, South Africa

open access: yesSouth African Journal of Science, 2016
Atmospheric aerosols play a key role in climate change, and have adverse effects on human health. Given South Africa’s status as a rapidly-developing country with increasing urbanisation and industrial growth, information on the quality of ambient air is
Minna Aurela   +6 more
doaj   +1 more source

Sulfate and nitrate collected by filter sampling near the tropopause [PDF]

open access: yes
Filter samples collected near the tropopause with an F-106 aircraft and two Boeing 747 aircraft were analyzed for sulfate and nitrate ion content. Within the range of routine commercial flight altitudes (at or below 12.5 km), stratospheric mass mixing ...
Humenik, F. M.   +2 more
core   +1 more source

Effect of sulfate aerosol on tropospheric NOx and ozone budgets: Model simulations and TOPSE evidence [PDF]

open access: yes, 2003
The distributions of NOx and O3 are analyzed during TOPSE (Tropospheric Ozone Production about the Spring Equinox). In this study these data are compared with the calculations of a global chemical/transport model (Model for OZone And Related chemical ...
Atlas, Elliot   +11 more
core   +1 more source

Rheumatologic Manifestations of Patients With Type B Insulin Resistance

open access: yesArthritis Care &Research, EarlyView.
Objective The objectives of this study were to identify laboratory and clinical features associated with type B insulin resistance (TBIR), a rare condition caused by autoantibodies that inhibit the insulin receptor, most frequently occurring in the setting of systemic lupus erythematosus (SLE), and to increase awareness of this rare, life‐threatening ...
S. Amara Ogbonnaya   +4 more
wiley   +1 more source

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

Phosphorus Immobilization in Poultry Litter and Litter-amended soils with Aluminum, Calcium and Iron amendments [PDF]

open access: yes, 1994
Arkansas produces approximately one billion broilers each year. Phosphorous (P) runoff from fields receiving poultry litter is believed to be one of the primary factors affecting water quality in Northwest Arkansas.
Daniels, T. C.   +2 more
core   +2 more sources

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