Active Oxygen
Significance of benzylic hydroxymethylene group in the reaction of lignin side-chain with active oxygen species under oxygen bleaching conditions
... with active oxygen species (AOS) under oxygen bleaching conditions, a specially designed b-O-4 type model compound carrying the benzylic methoxyl group, ...
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Effect of Ardox-X Active Oxygen-Containing Toothpaste on Periodontal Parameters in Dentate and Implant-Wearing Patients
... containing active oxy- genated substance compared to Oral-B toothpaste on two periodontal indices, namely PI and ...activated oxygen (Ardox-X) had no effect on plaque levels compared to Oral-B toothpaste ...
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Influence of salicylic and succinic acids on formation of active oxygen forms in wheat coleoptiles
... Таким чином, спираючись на дані, одержані на різних об’єктах, не можна виклю- чити, що підвищення вмісту пероксиду водню в колеоптилях пшениці відбувається за раху- нок інгібування кат[r] ...
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Investigation on hydrogen abstraction from methyl glucoside by active oxygen species under oxygen delignification conditions III: effects of the origin of active oxygen species
... When a pair of carbohydrate model compounds, i.e., MGP β and methyl α -d-glucopyranoside (MGP α ), or MGP β and methyl β -d-mannopyranoside (MMP β ), was reacted together with AOS g[r] ...
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Effect of stereo-configurational difference of carbohydrate model compound on the reaction with active oxygen species under oxygen delignification conditions
... the primary degradation products of the carbohydrate model compounds, which should have a carbonyl group at a position, are significantly labile under alkaline conditions as those employed in this study and ...
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The importance of nickel oxyhydroxide deprotonation on its activity towards electrochemical water oxidation
... OER active phase of ...“active oxygen” Raman peak due to isotopic labeling and its pH-dependence, we conclude that this species is of superoxo nature and acts as precursor for oxygen ...
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Synthesis and characterization of polysaccharide maghemite composite nanoparticles and their antibacterial properties
... as a storage carbohydrate. Wu and Birch [35] showed that some microbes convert sucrose with remarkable yields into the structural isomers isomaltulose and treha- lulose, possibly to sequester the sugar in a form that ...
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Risks of age related macular degeneration and led lighting
... by active oxygen forms and light. Active oxygen forms appear due to in- fluence exerted by external factors and the visual cycle as А2Е (pyridinium bisretinoid) generates active ...
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Asymmetric oxygen vacancies : the intrinsic redox active sites in metal oxide catalysts
... of oxygen vacancies (regarded as active sites) in oxide ...of oxygen vacancies is related to the rate of vacancy formation and that of vacancy ...real active oxygen vacancy should have ...
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when the plant shifts from vegetative to reproductive stage. Key words : Antioxidant enzymes, ascorbate peroxidase, catalase, guaiacol peroxidase, heat stress, hydrogen peroxide, rice
... of active oxygen species and antioxidant enzymes increases, suggesting that plants undergo stressful conditions during the flowering process (Lokhande et ...
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Oxygen Reduction Reaction at in Situ Fabricated Active Gold Over Layers in Acidic Media
... and analytical properties for many electrochemical processes are significantly poor or inactive as compared with those of roughened or active metal over layer electrodes [1]. Metal over layers can be produced by ...
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Cops and robbers: putative evolution of copper oxygen binding proteins
... the active site against large ...high oxygen-transport capacity of COPs was reached by a variety of strategies ...eight oxygen-binding centres; the subunits then assemble to proteins with up to 160 ...
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A Review on Active Packaging: An Innovation in Food Packaging
... therefore, is to block the bloss of desirable odor from the product. This is also often the primary objective of barrier packaging. In some instances, the aroma-removal properties are unintentionally incorporated into ...
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Structural aspects of ozonides on lymphoma cell viability
... their active conformations or lowest energy ...less active and supports the low activity observed by OZ271 and OZ335 since primary amines on the alpha carbon are in a favorable position for participation in ...
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Ascorbic Acid Degradation in Cut Lemon Packaged Using Oxygen Scavenging Active Film During Storage
... of active film can be defined as the ability to scavenge reactive ...antiradical active film can act as a barrier to oxygen diffusion from the surrounding of the packaged ...reducing oxygen ...
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The Function of Haemoglobin in Chironomus Plumosus Under Natural Conditions
... The significance of haemoglobin in keeping the animals aerobic, and therefore active at low oxygen concentrations, was also evident from the behaviour of my carbon monoxide-treated larva[r] ...
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Human cerebrovascular function in health and disease: insights from integrative approaches
... autoregulation is impaired due to repetitive, sub- concussive head impact incurred during sparring. These impairments are associated with cerebral hypoperfusion, neurocognitive dysfunction, and marked orthostatic ...
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The biosynthesis of nitric oxide from L-arginine. Nitric oxide formation features and its functional role in mitochondria
... Besides the specific spatial localization in cells of different NOS isoforms with defined functions, there is also a phenomenon of directed and regula- ted NO transport in the vascular wall – the so-called ...
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Modification of carcinogenesis in mice with chemically-induced tumors
... reactive oxygen species (ROS): superoxide anion radical, hydrogen peroxide, hydroxyl radical, singlet oxygen and nitrogen oxide (Berezhnaya and Chekhun, 2005; Potselueva et ...and active nitrogen ...
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Poly[[diaqua μ4 pyrazine 2,3 dicarboxylato κ6N,O2:O2′:O3,O3′:O3 strontium(II)] monohydrate]
... number of coordinated atoms eight. The coordination polyhedron is a distorted pentagonal bipyramid with an oxygen atom at the apex on one side of the equatorial plane and two oxygen atoms forming the apices ...
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