Results 1 to 10 of about 577,887 (337)

Aging increases oxidative stress in semen [PDF]

open access: yesInvestigative and Clinical Urology, 2021
Purpose: As age increases, oxidative stress increases, sperm motility decreases, and DNA fragmentation increases. To date, reports of age-related effects on semen have focused on reactive oxygen species (ROS) or total antioxidant capacity (TAC) as ...
Mitsuru Nago   +5 more
doaj   +1 more source

Catalytic degradation of ammonia and nitrate from wastewater - A critical review [PDF]

open access: yesAdvances in Environmental Technology, 2022
The foibles in extant wastewater treatment technologies release untreated nitrate and ammonia containing compounds into different potable water sources.
Manali Date, Dipika Jaspal
doaj   +1 more source

Noninvasive Diagnosis of the Mitochondrial Function of Doxorubicin-Induced Cardiomyopathy Using In Vivo Dynamic Nuclear Polarization–Magnetic Resonance Imaging

open access: yesAntioxidants, 2022
Doxorubicin (DOX) induces dose-dependent cardiotoxicity via oxidative stress and abnormal mitochondrial function in the myocardium. Therefore, a noninvasive in vivo imaging procedure for monitoring the redox status of the heart may aid in monitoring ...
Yukie Mizuta   +7 more
doaj   +1 more source

Nitric oxide reversibly binds the reduced [2Fe-2S] cluster in mitochondrial outer membrane protein mitoNEET and inhibits its electron transfer activity

open access: yesFrontiers in Molecular Biosciences, 2022
MitoNEET is a mitochondrial outer membrane protein that regulates energy metabolism, iron homeostasis, and production of reactive oxygen species in cells.
Chelsey R. Fontenot   +2 more
doaj   +1 more source

Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding

open access: yesPharmaceuticals, 2021
This study aimed to evaluate the effect of riboflavin (RF) and Rose Bengal (RB) photosensitizer modified adhesive resin on the degree of conversion (DC), and antimicrobial capacity after bonded to tooth surface. Different concentrations of RB and RF were
Ali Alqerban
doaj   +1 more source

Iron-silica interaction during reduction of precipitated silica-promoted iron oxides using in situ XRD and TEM [PDF]

open access: yesApplied Catalysis A: General 613 (2021) 118031, 2021
The effect of silica-promotion on the reduction of iron oxides in hydrogen was investigated using in situ X-ray diffraction and aberration-corrected transmission electron microscopy to understand the mechanism of reduction and the identity of the iron(II) silicate phase that has historically been designated as the cause of the iron-silica interaction ...
arxiv   +1 more source

Technologies to Reduce the Emission of Nitrogen Oxides in Flue Gases [PDF]

open access: yesمحیط زیست و توسعه فرابخشی, 2021
Nitrogen oxides are one of the most important pollutants in the air, which releasing into the atmosphere causes to produce of dangerous secondary pollutants.
Samane Komeili   +2 more
doaj   +1 more source

Vanadium Dioxide Thin Films Synthesized Using Low Thermal Budget Atmospheric Oxidation [PDF]

open access: yesThin Solid Films. 706, 138003 (2020), 2021
Vanadium dioxide is a complex oxide material, which shows large resistivity and optical reflectance change while transitioning from the insulator to metal phase at ~68 {\deg}C. In this work, we use a modified atmospheric thermal oxidation method to oxidize RF-sputtered Vanadium films.
arxiv   +1 more source

THE IMPROVEMENT OF STUDENTS’ LEARNING ACTIVENESS AND LEARNING OUTCOMES ON OXIDATION REDUCTION CONCEPT THROUGH STAD LEARNING MODEL

open access: yesIdeguru, 2020
The purpose of this study (1) to find out how the application of the Student Teams Achivement Division (STAD) learning model can increase students’ learning activities/activeness; (2) to determine the improvement of students’ learning activities ...
Dian Sri Suhesti
doaj   +1 more source

Variation of iron redox kinetics and its relation with molecular composition of standard humic substances at circumneutral pH. [PDF]

open access: yesPLoS ONE, 2017
Oxidation and reduction kinetics of iron (Fe) and proportion of steady-state Fe(II) concentration relative to total dissolved Fe (steady-state Fe(II) fraction) were investigated in the presence of various types of standard humic substances (HS) with ...
Ying Ping Lee   +4 more
doaj   +1 more source

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