Methyl Viologen-Induced Oxidative StressElectrochromicRedox-activeHerbicideOrganic compoundsDerivativesElectronRadicalReductionComplexFilmNegativeFormSurfaceMethyl viologen hydrogenaseHydrogenHydrogenaseParaquatCatalystsBaTiO3DichlorideWater-solubleElectrolytesSpeciesOrganicSodiumReceptorsChemicallyExperimentalPropertiesTreatmentTransportGreenGroupsApplicationsBandColorPerformance
Methyl Viologen-Induced Oxidative Stress1
- Salicylic acid alleviates methyl viologen induced oxidative stress through transcriptional modulation of antioxidant genes in Zea mays L. Maydica, 60(3), 1-9. (iari.res.in)
Electrochromic5
- Viologens have been commercialized as electrochromic systems because of their highly reversible and dramatic change of color upon reduction and oxidation. (wikipedia.org)
- Herein we synthesized a dual-electrochromic polymer by introducing oligoaniline and viologen to polymeric architecture as pendants (POV). (edu.au)
- An all-plastic viologen-based electrochromic device recently developed is electrochemically tested with optic and impedance analysis, revealing its voltage response. (uc3m.es)
- Electrochromic ionogels were prepared by addition of ethyl viologen dibromide (EV) to an ionogel containing [emIm][FAP] and hybrid sol-gel material. (dcu.ie)
- The objective of this study was to investigate the influence the introduction of a nitrogen containing heterocyclic spacer unit between the pyridinium termini of the viologen (1,1'-dialkyl(aryl)-[4,4'-bipyridine]-1,1'-diium) unit upon the electrochromic properties (reduction potential, reversibility, radical cation colour and background colour). (hud.ac.uk)
Redox-active2
- Viologens have been modified to optimize their performance in such batteries, e.g. by incorporating them into redox-active polymers. (wikipedia.org)
- At the start of her junior year, she began working with Professor Mark Lipke to study how viologen-like redox-active ligands affect the electronic properties of transition metal complexes. (rutgers.edu)
Herbicide4
- The viologen paraquat (R = methyl), is a widely used herbicide. (wikipedia.org)
- Compound 3 is a very strong reducing agent, with a redox potential of −1.48 V. The widely used herbicide paraquat is a viologen. (wikipedia.org)
- Paraquat (PQ, methyl viologen) is known as the herbicide and is often used as ROS inducer in biomedical studies (Castello et al. (buyresearchchemicalss.net)
- Arisi A.-C., Cornic G., Jouanin L., Foyer C.H., Overexpression of FeSOD in transformed poplar modifies the regulation of photosynthesis at low CO 2 partial pressures or following exposure to the prooxidant herbicide methyl viologen, Plant Physiol. (afs-journal.org)
Organic compounds2
- Viologens are organic compounds with the formula (C5H4NR)2n+. (wikipedia.org)
- Three electroactive organic compounds with different electron‐donating and electron‐accepting properties, i.e., naphthalene, naphthalimide, and viologen derivatives, were selectively bound to the external surface of the particle, the inside of the pore wall, or the surface of the internal mesopores to control the direction of charge transfer (pictured below). (chemistryviews.org)
Derivatives2
- As bipyridinium derivatives, the viologens are related to 4,4'-bipyridyl. (wikipedia.org)
- V]+ The radical cations are blue for 4,4'-viologens and green for 2,2'-derivatives. (wikipedia.org)
Electron4
- Viologens, in their dicationic form, typically undergo two one-electron reductions. (wikipedia.org)
- A molecular photodiode was fabricated with the hetero-Langmuir-Blodgett (LB) film consisting of an electron donor (D), sensitizer (S), relay (R) and acceptor (A). Ferrocene, flavin, viologen and TCNQ were used as D, S, R and A units, respectively. (elsevierpure.com)
- C 60 -photosensitized reduction system of methyl viologen (1,1′-dimethyl-4,4′-bipyridinium) electron-mediated by O 2 in organic solvents was demonstrated. (elsevierpure.com)
- On addition of MV 2+ , electron transfer from O 2 ·- to MV 2+ was observed in aprotic solvents such as benzonitrile, yielding blue methyl viologen cation radical (MV ·+ ). By irradiation of the system of C 60 /electron donor/O 2 / MV 2+ , MV ·+ was also generated. (elsevierpure.com)
Radical1
- The name viologen alludes to violet, one color it can exhibit, and the radical cation (C5H4NR)2+ is colored intensely blue. (wikipedia.org)
Reduction2
- Viologens are called so, because these compounds produce violet color on reduction [violet + Latin gen, generator of]. (wikipedia.org)
- Other viologens have been commercialized because they can change color reversibly many times through reduction and oxidation. (wikipedia.org)
Complex1
- Lower redox potentials are observed in the CV measurement, ascribed to the complex interplay between viologen and oligoaniline moieties. (edu.au)
Film1
- Chloride desorption through the viologen film is discussed as the reason for an order-disorder transition within the viologen film at even more negative potentials. (rsc.org)
Negative1
- Viologens are used in the negative electrolytes of some experimental flow batteries. (wikipedia.org)
Form2
- The basic nitrogen centers in these compounds are alkylated to give viologens: (C5H4N)2 + 2 RX → [(C5H4NR)2]2+(X−)2 The alkylation is a form of quaternization. (wikipedia.org)
- The toxicity of the 2,2'-, 4,4'-, or 2,4'-bipyridylium-based viologens is related to their ability to form stable free radicals. (wikipedia.org)
Surface1
Methyl viologen hydrogenase2
- The combined deletion of ech , mbh , shi and hydG resulted in a strain that did not produce hydrogen and showed no methyl viologen hydrogenase activity in cell extracts. (researchsquare.com)
- Methyl viologen hydrogenase activity was greatly reduced in all combined deletion strains except the strain with an intact hydG gene. (researchsquare.com)
Hydrogen3
- 42. Kinetic Study of the Reduction of Water to Hydrogen by Reduced Methyl Viologen Mediated by Platinised Alumina, A. Mills, P. Douglas and T. Russell, J. Chem. (profandrewmills.com)
- The amount of hydrogen evolved in the process is indicated by a simple redox dye, benzyl viologen. (sciencecheerleaders.org)
- No sophisticated or expensive hydrogen detection equipment is required-only a redox dye, benzyl viologen, which turns purple when it is reduced. (sciencecheerleaders.org)
Hydrogenase1
- One region from the M. thermoautotrophicum strains delta H and Winter, extending approximately 13.5 kb upstream from the adjacent mvhDGAB and mrtBDGA operons that encode the methyl-viologen-reducing hydrogenase (MVH) and the methyl coenzyme M reductase II (MRII), respectively, was sequenced, and 76% sequence identity and very similar gene organizations were demonstrated. (nih.gov)
Paraquat2
- The viologen paraquat (R = methyl), is a widely used herbicide. (wikipedia.org)
- Compound 3 is a very strong reducing agent, with a redox potential of −1.48 V. The widely used herbicide paraquat is a viologen. (wikipedia.org)
Catalysts1
- Viologen catalysts have been reported to have the potential to oxidize glucose and other carbohydrates catalytically in a mildly alkaline solution, which makes direct carbohydrate fuel cells possible. (wikipedia.org)
BaTiO34
- The employed analyses collectively reveal thateach additive in the PEO host contributes to a specific property:LiTFSI is essential in providing ionic species, while BaTiO3 and viologen enhance the thermal stability, ionic conductivity,and transport number. (polito.it)
- Synergistically,the added BaTiO3 and viologen improve the electrochemicalproperties of HSPE for the applications in all-solid-state-lithiumpolymer batteries. (polito.it)
- Hybrid solid polymer electrolytes (HSPE) comprising poly(ethylene oxide) (PEO), LiTFSI, barium titanate (BaTiO3), and viologen are prepared by a facile hot press. (nottingham.edu.cn)
- Synergistically, the added BaTiO3 and viologen improve the electrochemical properties of HSPE for the applications in all-solid-state-lithium polymer batteries. (nottingham.edu.cn)
Dichloride1
- Ramani's research team, consisting of Shrihari Sankarasubramanian and Javier Parrondo, in addition to Sharma, looked at two actives (a ferrocene dichloride cathode and a propyl viologen tetrachloride anode) and six electrolytes (sulfuric acid, hydrochloric acid, methane sulfonic acid, sodium sulfate. (materialstoday.com)
Water-soluble1
- When the alkylating agent is a small alkyl halide, such as methyl chloride or methyl bromide, the viologen salt is often water-soluble. (wikipedia.org)
Electrolytes1
- Viologens are used in the negative electrolytes of some experimental flow batteries. (wikipedia.org)
Species1
- A macrocyclic receptor containing two viologen species connected by conjugated terphenyl groups. (aston.ac.uk)
Organic1
- Viologens are organic compounds with the formula (C5H4NR)2n+. (wikipedia.org)
Sodium3
- The bipolaron di-octyl bis(4-pyridyl)biphenyl viologen 2 in scheme 2 can be reduced by sodium amalgam in DMF to the neutral viologen 3. (wikipedia.org)
- was affected neither by addition of 4 mM methyl viologen, nor by treatment of the membranes with 0.1% sodium dodecyl sulfate (SDS) for 1 h, but appreciably increased on addition of methyl viologen to the SDS-treated membranes. (elsevierpure.com)
- Sonoike, K & Katoh, S 1988, ' Effects of sodium dodecyl sulfate and methyl viologen on the differential extinction coefficient of P-700 - a band shift of chlorophyll a associated with oxidation of P-700 ', BBA - Bioenergetics , vol. 935, no. 1, pp. 61-71. (elsevierpure.com)
Receptors1
- Viologen-based redox-switchable anion-binding receptors. (univ-grenoble-alpes.fr)
Chemically2
- Methyl viologen also induced the band shift in the chemically oxidized-minus-reduced difference spectrum of P-700 in the SDS-treated membranes. (elsevierpure.com)
- Chemically and Electrochemically Triggered Assembly of Viologen Radicals: Towards Multiaddressable Molecular Switches. (univ-grenoble-alpes.fr)
Experimental1
- Reversible dimerization of viologen radicals covalently linked to a calixarene platform: Experimental and theoretical aspects. (univ-grenoble-alpes.fr)
Properties1
- Tunable Chromic Properties of Viologen-Metal Polymers Modulated by Coordination Modes for Inkless Erasable Printing. (bvsalud.org)
Treatment1
- Other bipyridinium dyes, 1,1′-trimethylene-2,2′-bipyridinium dibromide and 1,1′-trimethylene-5,5′-dimethyl-2,2′-bipyridinium dibromide were equally effective as methyl viologen, and a prolonged treatment of the membranes with SDS caused a similar band shift in the difference spectrum of P-700. (elsevierpure.com)
Transport1
- The enhanced value in the Li+-transport number of HSPE are presumably attributed to the electrostatic attraction of TFSI anions and the positive charges of viologen. (nottingham.edu.cn)
Green1
- V]+ The radical cations are blue for 4,4'-viologens and green for 2,2'-derivatives. (wikipedia.org)
Groups1
- In some viologens, the pyridyl groups are further modified. (wikipedia.org)
Applications1
- In some applications, N-heptyl viologens are used. (wikipedia.org)
Band1
- Detailed studies on the light-minus-dark difference spectrum of P-700 revealed that methyl viologen induces a shift-type change consisting of a bleaching at 695 nm and a positive band at 685 nm, and consequently increases the magnitude of the 700 nm bleaching without affecting P-700 photooxidation in the SDS-treated membranes. (elsevierpure.com)
Color1
- The name viologen alludes to violet, one color it can exhibit, and the radical cation (C5H4NR)2+ is colored intensely blue. (wikipedia.org)
Performance1
- Viologens have been modified to optimize their performance in such batteries, e.g. by incorporating them into redox-active polymers. (wikipedia.org)