scholarly journals Dietary Antioxidant An Indispensible Nutrient

2018 ◽  
Vol 09 (01) ◽  
pp. 80-82
Author(s):  
Shizma Junejo ◽  
Zara Sami ◽  
Faiza Rafique Shaikh
Keyword(s):  
Reactive Oxygen Species ◽  
Hydrogen Peroxide ◽  
Superoxide Anion ◽  
Reactive Nitrogen Species ◽  
Hypochlorous Acid ◽  
Oxygen Species ◽  
Nitrogen Species ◽  
Hydroperoxyl Radical ◽  
Dietary Antioxidant ◽  
Sulphur Species

hemical reactions alongside different molecules. Having been originated from constituents like oxygen, sulphur as well as nitrogen which contribute towards production of reactive oxygen species (ROS), reactive nitrogen species (RNS), reactive sulphur species (RSS)1.They include superoxide anion(O2-•), hydroperoxyl radical (HO2•), hydroxyl radical (•OH), hydrogen peroxide (H2O2), singlet oxygen (1 O2), hypochlorous acid (HOCl) and peroxynitrite (ONOO- ) .

scholarly journals A novel ratiometric fluorescent probe for rapid detection of hydrogen peroxide in living cells

RSC Advances ◽  
2019 ◽  
Vol 9 (67) ◽  
pp. 39532-39535
Author(s):  
Linan Hu ◽  
Jiayi Liu ◽  
Jie Zhang ◽  
Hailiang Zhang ◽  
Pengfei Xu ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Hydrogen Peroxide ◽  
Fluorescent Probe ◽  
Rapid Detection ◽  
Reactive Nitrogen Species ◽  
Living Cells ◽  
Oxygen Species ◽  
Nitrogen Species ◽  
Biologically Relevant ◽  
Ratiometric Fluorescent Probe

A new ratiometric fluorescent probe JNY-1 for sensitive detection of H2O2 is presented with selectivity over other reactive oxygen species, reactive nitrogen species, and biologically relevant species. Imaging of H2O2 in liver cancer HepG2 cells was achieved.

scholarly journals Insights into the respiratory chain and oxidative stress

2018 ◽  
Vol 38 (5) ◽  
Author(s):  
Véronique Larosa ◽  
Claire Remacle
Keyword(s):  
Oxidative Stress ◽  
Reactive Oxygen Species ◽  
Signal Transduction ◽  
Hydrogen Peroxide ◽  
Superoxide Anion ◽  
Oxygen Species ◽  
Hydroperoxyl Radical ◽  
Photosynthetic Organisms ◽  
The Common ◽  
And Oxidative Stress

Reactive oxygen species (ROS) are highly reactive reduced oxygen molecules that result from aerobic metabolism. The common forms are the superoxide anion (O2∙−) and hydrogen peroxide (H2O2) and their derived forms, hydroxyl radical (HO∙) and hydroperoxyl radical (HOO∙). Their production sites in mitochondria are reviewed. Even though being highly toxic products, ROS seem important in transducing information from dysfunctional mitochondria. Evidences of signal transduction mediated by ROS in mitochondrial deficiency contexts are then presented in different organisms such as yeast, mammals or photosynthetic organisms.

Plasmonic Enhancement of Nitric Oxide Generation

Nanoscale ◽  
2021 ◽  
Author(s):  
Rachael Knoblauch ◽  
Chris Geddes
Keyword(s):  
Nitric Oxide ◽  
Reactive Oxygen Species ◽  
Reactive Nitrogen Species ◽  
Reactive Oxygen ◽  
Reactive Nitrogen ◽  
Oxygen Species ◽  
Nitrogen Species ◽  
Plasmonic Enhancement ◽  
Cancer Treatments

While the utility of reactive oxygen species in photodynamic therapies for both cancer treatments and antimicrobial applications has received much attention, the inherent potential of reactive nitrogen species (RNS) including...

scholarly journals A Generator of Peroxynitrite Activatable with Red Light

2021 ◽  
Author(s):  
Cristina Parisi ◽  
Mariacristina Failla ◽  
Aurore Fraix ◽  
Luca Menilli ◽  
Francesca Moret ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Reactive Nitrogen Species ◽  
Red Light ◽  
Reactive Oxygen ◽  
Reactive Nitrogen ◽  
Oxygen Species ◽  
Nitrogen Species ◽  
New Horizons ◽  
Light Stimuli ◽  
Spatiotemporal Control

The generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) as “unconventional” therapeutics with precise spatiotemporal control by using light stimuli may open entirely new horizons for innovative...

scholarly journals What Did We Accomplish in Fighting Radical Species in Human Health?

Antioxidants ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 466
Author(s):  
Rachid Skouta
Keyword(s):  
Reactive Oxygen Species ◽  
Human Health ◽  
Reactive Nitrogen Species ◽  
Reactive Oxygen ◽  
The Body ◽  
Reactive Nitrogen ◽  
Oxygen Species ◽  
Nitrogen Species ◽  
Radical Species ◽  
Physiological Level

Maintaining the physiological level of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in the body is highly important in the fight against radical species in the context of human health [...]

scholarly journals Glutathione Participation in the Prevention of Cardiovascular Diseases

Antioxidants ◽  
2021 ◽  
Vol 10 (8) ◽  
pp. 1220
Author(s):  
Deyamira Matuz-Mares ◽  
Héctor Riveros-Rosas ◽  
María Magdalena Vilchis-Landeros ◽  
Héctor Vázquez-Meza
Keyword(s):  
Cardiovascular Diseases ◽  
Superoxide Anion ◽  
Reactive Nitrogen Species ◽  
Hypochlorous Acid ◽  
Reduced Glutathione ◽  
Heart Diseases ◽  
Reactive Species ◽  
Oxygen Species ◽  
Cardiovascular Pathologies

Cardiovascular diseases (CVD) (such as occlusion of the coronary arteries, hypertensive heart diseases and strokes) are diseases that generate thousands of patients with a high mortality rate worldwide. Many of these cardiovascular pathologies, during their development, generate a state of oxidative stress that leads to a deterioration in the patient’s conditions associated with the generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS). Within these reactive species we find superoxide anion (O2•–), hydroxyl radical (•OH), nitric oxide (NO•), as well as other species of non-free radicals such as hydrogen peroxide (H2O2), hypochlorous acid (HClO) and peroxynitrite (ONOO–). A molecule that actively participates in counteracting the oxidizing effect of reactive species is reduced glutathione (GSH), a tripeptide that is present in all tissues and that its synthesis and/or regeneration is very important to be able to respond to the increase in oxidizing agents. In this review, we will address the role of glutathione, its synthesis in both the heart and the liver, and its importance in preventing or reducing deleterious ROS effects in cardiovascular diseases.

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