Results 131 to 140 of about 97,404 (322)

Biochar as a Strategy to Mitigate Greenhouse Gases in Degraded Drylands of the Brazilian Semiarid Region: Carbon Stocks and CO2 Fluxes

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
This study evaluated the effects of pyrolytic biochars derived from co‐pyrolyzed sewage sludge and cashew residues on total organic carbon (TOC) recovery and CO2 emissions in degraded soils under greenhouse conditions. Biochar applications (5 to 40 Mg ha−1) enhanced soil carbon stocks and variably influenced CO2 fluxes over time.
João Marcos Rodrigues dos Santos   +16 more
wiley   +1 more source

Helicobacter pylori prevalence and its association with fecal occult blood and hemoglobin concentration in children in Ilam, Iran

open access: yesJPGN Reports, EarlyView.
Abstract Objectives Helicobacter pylori (H. pylori) is a widespread Gram‐negative bacterium, affecting over half of the global population. This study investigated the prevalence of H. pylori among children in Ilam, western Iran, and assessed potential associations between infection, fecal occult blood tests (FOBT), hemoglobin concentration (HbC), and ...
Saeed Hemati   +2 more
wiley   +1 more source

Iron physiology and metabolism of model phytoplankton taxa in a western boundary continental shelf ecosystem

open access: yesLimnology and Oceanography, EarlyView.
Abstract Continental shelf ecosystems support diverse phytoplankton communities that contribute to global primary productivity. Iron is an important micronutrient controlling the growth of marine phytoplankton, but its role in influencing phytoplankton ecophysiology in western boundary continental shelf ecosystems is understudied.
Lucy E. Quirk   +2 more
wiley   +1 more source

The mode of action of urease. II [PDF]

open access: green, 1914
Donald D. Van Slyke   +2 more
openalex   +1 more source

Impact of Seasonal Variation on Antioxidant, Enzyme Inhibitory, and Anti‐Inflammatory Potentials of Cistus creticus Leaf Extracts

open access: yesChemistryOpen, EarlyView.
The phytochemical profile and biological activities of Cistus creticus leaf ethanolic extracts show strong seasonal variation. Spring extracts contain the highest phenolic levels with potent antioxidant and anti‐inflammatory effects, while summer extracts are richest in flavonoids and exhibit the greatest sun protection factor value and enzyme ...
Khalil Guelifet   +11 more
wiley   +1 more source

The application of low crude protein wheat-soyabean diets to growing and finishing pigs: 2. The effects on nutrient digestibility, nitrogen excretion, faecal volatile fatty acid concentration and ammonia emission from boars [PDF]

open access: yes, 2005
peer-reviewedThis study received financial support from Telltech Ltd. (Wicklow, Ireland) and Enterprise Ireland (Dublin, Ireland).Diets containing 132, 152, 183 and 206 g/kg crude protein (CP) were fed to growing and finishing boars to evaluate the ...
Callan, J.J.   +3 more
core  

Gastric Urease [PDF]

open access: yesBiochemical Journal, 1924
J M, Luck, T N, Seth
openaire   +2 more sources

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