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Reactive Species of Oxygen (ROS)

Reactive oxygen species: toxic molecules or spark of life?

Reactive oxygen species: toxic molecules or spark of life?

... in reactive oxygen species (ROS) and tissue evidence of oxidative injury are common in patients with inflammatory processes or tissue ...an oxygen rich environment and ROS and their chemical ...

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Polyphenols in Fruits and Vegetables and Its Effect on Human Health

Polyphenols in Fruits and Vegetables and Its Effect on Human Health

... include reactive oxygen (ROS) and nitrogen species (RNS). Reactive species are commonly identified as substances leading to the oxidation of lipids (lipoxidation), glucose (glycation) ...

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The role of cellular reactive oxygen species in cancer chemotherapy

The role of cellular reactive oxygen species in cancer chemotherapy

... In cancer cells ROS are usually considered oncogenic because they have been implicated in initiation, progres- sion and metastasis of cancers however this is not clear cut, as ROS may also be crucial for tumor clearance. ...

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A REVIEW ON REACTIVE OXYGEN AND NITROGEN SPECIES

A REVIEW ON REACTIVE OXYGEN AND NITROGEN SPECIES

... Persuade of ROS, RNS and antioxidants had been under scanner. Evidence is mounting to suggest: a) ROS and RNS are significant regulators of metabolism in blood and tissues and this deregulation may trigger T-2DM and may ...

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Investigation Into The Growth Phase Dependent Sensitivity Of Mycobacterium Aurum To Chlorine And Quantification Of Reactive Oxygen Species

Investigation Into The Growth Phase Dependent Sensitivity Of Mycobacterium Aurum To Chlorine And Quantification Of Reactive Oxygen Species

... predominant species over most of the pH range of typical drinking waters (5 to 8), and thus we have used freshly prepared HOCl in our studies; direct use of HOCl helps in better quantification of the ...

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In situ observation of reactive oxygen species forming on oxygen evolving iridium surfaces

In situ observation of reactive oxygen species forming on oxygen evolving iridium surfaces

... In brief, water diffuses through the desiccation cracks of the ⇡10 nm thick, sputter-deposited electrodes and the PEM due to the pressure difference between the liquid on one side of the membrane and the evacuated ...

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Various Factors Involving Aging: Electron Transfer, Reactive Oxygen Species And Oxidative Stress

Various Factors Involving Aging: Electron Transfer, Reactive Oxygen Species And Oxidative Stress

... transfer, reactive oxygen species, antioxidants, reactive nitrogen species, heart, brain, lung, prostate, mitochondria, and miscellaneous ...with oxygen can occur, giving rise to ...

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Proteins Needed to Activate a Transcriptional Response to the Reactive Oxygen Species Singlet Oxygen

Proteins Needed to Activate a Transcriptional Response to the Reactive Oxygen Species Singlet Oxygen

... IMPORTANCE Oxygen serves many crucial functions on Earth; it is produced during photosynthesis and needed for other path- ...While oxygen is relatively inert, it can be converted to reactive ...

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Ehrlichia chaffeensis and Its Invasin EtpE Block Reactive Oxygen Species Generation by Macrophages in a DNase X Dependent Manner

Ehrlichia chaffeensis and Its Invasin EtpE Block Reactive Oxygen Species Generation by Macrophages in a DNase X Dependent Manner

... singlet oxygen. Enzymatic detoxification of ROS to less toxic species by microbial catalases, superoxide dismutases, and peroxidases is a well-known strategy used by bacterial pathogens such as Helicobacter, ...

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Tumor-targeted hybrid protein oxygen carrier to simultaneously enhance hypoxia-dampened chemotherapy and photodynamic therapy at a single dose

Tumor-targeted hybrid protein oxygen carrier to simultaneously enhance hypoxia-dampened chemotherapy and photodynamic therapy at a single dose

... tumor-targeted oxygen delivery, human serum albumin (HSA), the most abundant plasma protein showing complete biocompatibility, non-toxicity and low immunogenicity, as well as in vivo stability and ...

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Reactive oxygen species in iridium based OER catalysts

Reactive oxygen species in iridium based OER catalysts

... reactive oxygen, explains the exceptional reactivity of amor- phous Ir III/IV ...electrophilic oxygen in Ir III/IV oxyhydroxides is an optimal precursor site for the nucleophilic attack of ...

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Antimicrobial Actions of Reactive Oxygen Species

Antimicrobial Actions of Reactive Oxygen Species

... In 1932, the uptake of Micrococcus by canine leukocytes was found to result in a burst of oxygen consumption (2). This phenomenon was later rediscovered (3, 4) and linked to the formation of hydro- gen peroxide ...

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Free Radicals: Health Implications and their Mitigation by Herbals

Free Radicals: Health Implications and their Mitigation by Herbals

... of reactive oxygen/ nitrogen species (ROS/RNS) and other related radicals lead to oxidative stress which has been implicated in aging and a number of ...

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Reactive oxygen species measure for rapid detection of infection in fluids

Reactive oxygen species measure for rapid detection of infection in fluids

... of reactive oxygen species (ROS) could be an efficient diagnostic tool to rapidly diagnose infections in peritoneal, pleural and bronchoalveolar lavage (BAL) fluids in ICU ...

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Reactive Oxygen Species (ROS) Homeostasis in Influenza Virus Infection

Reactive Oxygen Species (ROS) Homeostasis in Influenza Virus Infection

... The balance of redox reactions is maintained in normal cells by the antioxidant system, which includes enzymatic antioxidant systems, such as superoxide dismutases (SODs) and catalases (CATs), glutathione peroxidase ...

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Journal of Applied Pharmaceutical Science

Journal of Applied Pharmaceutical Science

... nanoparticles (PtNPs) has been given less attention. The presence of antioxidants such as PtNPs is proposed to reduce the effect of reactive oxygen species (ROS). For years, PtNPs have been only used ...

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IMPACT OF UV-B RADIATION ON PHOTOSYNTHESIS - AN OVERVIEW

IMPACT OF UV-B RADIATION ON PHOTOSYNTHESIS - AN OVERVIEW

... molecular oxygen, triggering the generation of ...molecular oxygen by Mehler reaction in PSI are rapidly converted into hydrogen peroxide by chloroplast Cu-Zn-superoxide dismutase, which is then removed by ...

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Reactive oxygen species a double-edged sword for mesothelioma

Reactive oxygen species a double-edged sword for mesothelioma

... It is well known that oxidative stress can lead to chronic inflammation which, in turn, could mediate most chronic diseases including cancer. Oxidants have been implicated in the activity of crocidolite and amosite, the ...

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The compensatory effect of glutathione on alleviating salinity–induced modulations in growth and biochemical traits in maize irrigated with diluted seawater

The compensatory effect of glutathione on alleviating salinity–induced modulations in growth and biochemical traits in maize irrigated with diluted seawater

... Existing plants, in their current form, are not fully equipped to withstand the increasing occurrence of extreme events. Plants with greater fitness are required in the foreseeable future. Only stress-acclimated plants ...

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What is the function of neuroglobin?

What is the function of neuroglobin?

... diffusion from the capillaries to the respiratory chain in the mitochondria. However, within the past ten years it has become evident that certain globins may carry out various other functions. For example, maize globin ...

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