redox system


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redox system

[′rē‚däks ‚sis·təm]
(chemistry)
A chemical system in which reduction and oxidation (redox) reactions occur.
References in periodicals archive ?
Caption: Figure 4: Schematic representation of connection of free energy of light (hv) to redox free energy of secondary donor ([D.sup.+]/D) and acceptor (A/[A.sup.-]) redox systems and to the proton motive force ([mathematical expression not reproducible]) driven by continuous turnover of the RC protein in the membrane.
(8.) Cigdem, Y, Ufuk, Y, "Redox Polymerization of Methyl Methacrylate with Allyl Alcohol 1,2-Butoxylate-BlockEthoxylate Initiated by Ce(IV)/HN[O.sub.3] Redox System." Eur.
The activity of the erythrocyte plasma membrane redox system (PMRS) was measured by following the reduction of ferricyanide according to the method of Avron and Shavit [22].
In general, all cyclic voltammograms exhibit similar current-potential profiles in these redox systems except PANI in Figures 6(a) and 6(f) and NDC-1 in Figures 6(b) and 6(g); these are suggesting that the surface conditions of the modified electrode are almost similar.
In this paper, we provide an overview on pathways involved in the reduced apoptosis of RA-FLS and then discuss specially the possible roles of NO and the Trx1 redox system.
Recently a number of studies have pointed out a single transcription factor in redox system, NF-E2-related factor-2 (NRF2), which coordinates oxidant-antioxidant balance in collaboration with Keap1 (reviewed in the current issue by D.
In the present work, a redox system catalyzed with ammonium peroxidisulfate [[(N[H.sub.4]).sub.2][S.sub.2][O.sub.8]], acting as initiator; sodium metabisulfite (N[a.sub.2][S.sub.2][O.sub.5]), reductor agent, acting as electron donator, and iron sulfate heptahydrated as catalyzing salt was used to study the effect of surfactant type (anionic and nonionic) and surfactant and monomer concentration on the synthesis of polymethylmethacrylate (PMMA).
To combat deleterious effects of ROS, cells have evolved an intrinsic antioxidant defense network that consists of a glutathione redox system, comprised of reduced glutathione (GSH) and two important enzymes, glutathione reductase and glutathione peroxidase (Gpx1).
Figure lb gives the scanning reaction results of the vinyl ester resin with the redox system (0.3% CoNap and 1.5% CHP) as measured by FTIR.
Because the MEKP/CoNa redox system would give much gas upon mixing and leave bubbles in the final sample plaques, we resorted to BPO/DMA as the free radical initiator for RIM operations.
Despite the overwhelming evidence of the role of oxidative stress in acute and chronic infection and the associated diseases, the impact of the majority of infectious agents on the host redox systems is not sufficiently characterized, with published data plagued by the controversies.
Their topics include the diversity of interactions in redox systems: from short-lived to long-lived complexes, the role of cardiolipin in a mitochondrial supercomplex assembly, mitochondrial respiratory supercomplexes in physiology and diseases, the regulation of photosynthetic electron transport via supercomplex formation in the thylakoid membrane, membrane organization and electron transport switches in cyanobacteria, and the regulation of cellular signaling by thioredoxin.