Results 1 to 10 of about 345,929 (388)

Oxidative stress: oxidants and antioxidants [PDF]

open access: yesExperimental Physiology, 1997
An imbalance between oxidants and antioxidants in favour of the oxidants, potentially leading to damage, is termed ‘oxidative stress’. Oxidants are formed as a normal product of aerobic metabolism but can be produced at elevated rates under pathophysiological conditions. Antioxidant defense involves several strategies, both enzymatic and non‐enzymatic.
H. Sies
semanticscholar   +3 more sources

Atmospheric chemistry of bioaerosols: heterogeneous and multiphase reactions with atmospheric oxidants and other trace gases. [PDF]

open access: yesChemical Science, 2016
Advances in analytical techniques and instrumentation have now established methods for detecting, quantifying, and identifying the chemical and microbial constituents of particulate matter in the atmosphere.
Estillore, Armando D   +2 more
core   +3 more sources

Combined Effects of Diazoxide and Moderate-Intensity Exercise on the Restoration of Redox Balance Post-Fatigue in Fast- and Slow-Twitch Skeletal Muscles of Hypertensive Rats [PDF]

open access: yesBiology
Muscle fatigue, defined as a decline in force generation, is closely linked to redox imbalance—a condition exacerbated by oxidative stress in hypertension. This study investigated the effects of diazoxide administration and moderate-intensity exercise on
Estefanía Bravo-Sánchez   +10 more
doaj   +2 more sources

Dynamics of oxidants, antioxidants and hormones during different phases of pregnancy in hairy goats [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2021
The aim of the present study was to observe the variation in oxidant (MDA), antioxidants (SOD, GSH, GSH-Px) and hormones (P4 and E2) levels in pregnant hairy goats during breeding season.
Nebi ÇETİN   +4 more
doaj   +1 more source

Mechanisms underlying the Effects of Heat Stress on Intestinal Integrity, Inflammation, and Microbiota in Chickens

open access: yesThe Journal of Poultry Science, 2023
Poultry meat and egg production benefits from a smaller carbon footprint, as well as feed and water consumption, per unit of product, than other protein sources.
Motoi Kikusato, Masaaki Toyomizu
doaj   +1 more source

Resveratrol Reduces ROS by Increasing GSH in Vitrified Sheep Embryos

open access: yesAnimals, 2023
The in vitro production and cryopreservation of mammalian embryos generates reactive oxygen species (ROS) due to conditions of the system that can overcome their antioxidant protection.
Andrea Carolina González-Garzón   +7 more
doaj   +1 more source

Comparisons of Combined Oxidant Capacity and Redox-Weighted Oxidant Capacity in Their Association with Increasing Levels of COVID-19 Infection

open access: yesAtmosphere, 2022
Background: Ozone (O3) and nitrogen dioxide (NO2) are substances with oxidizing ability in the atmosphere. Only considering the impact of a single substance is not comprehensive.
Huibin Guo   +4 more
doaj   +1 more source

Simultaneous nanocatalytic surface activation of pollutants and oxidants for highly efficient water decontamination

open access: yesNature Communications, 2022
Removal of organic micropollutants from water through advanced oxidation processes (AOPs) is hampered by the excessive input of energy and/or chemicals as well as the large amounts of residuals resulting from incomplete mineralization.
Ying-Jie Zhang   +14 more
semanticscholar   +1 more source

Foliar Application of Salicylic Acid Improves Water Stress Tolerance in Conocarpus erectus L. and Populus deltoides L. Saplings: Evidence from Morphological, Physiological, and Biochemical Changes

open access: yesPlants, 2021
Reforestation efforts are being challenged as water stress is hampering the sapling growth and survival in arid to semiarid regions. A controlled experiment was conducted to evaluate the effect of foliar application of salicylic acid (SA) on water stress
Zikria Zafar   +5 more
doaj   +1 more source

Oxidants and Antioxidants in the Redox Biochemistry of Human Red Blood Cells

open access: yesACS Omega, 2022
Red blood cells (RBCs) are exposed to both external and internal sources of oxidants that challenge their integrity and compromise their physiological function and supply of oxygen to tissues.
M. Möller   +7 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy