منابع مشابه
Use of UV-vis reflection spectroscopy for determining the organization of viologen and viologen tetracyanoquinodimethanide monolayers.
UV-vis reflection spectroscopy has been used for proving in situ the organization of pure viologen and hybrid viologen tetracyanoquinodimethanide monolayers at the air-water interface. Other more classical measurements concerning Langmuir monolayers, including surface pressure-area and surface potential-area isotherms, are also provided. The organization of the viologen in the Langmuir monolaye...
متن کاملSolid-phase synthesis of peptide-viologen conjugates.
This paper presents a robust method for the conjugation of viologens to peptides using an amide coupling strategy that is compatible with standard Fmoc solid-phase peptide synthesis. Methodology is presented for monitoring the milligram scale process quantitatively by UV spectroscopy. This chemistry enables the synthesis of a broad range of asymmetric viologens in high yield at room temperature...
متن کاملRedox tunable viologen-based porous organic polymers
The use of an organic donor–acceptor polymer containing a viologen electron acceptor and triarylamine electron donor as a platform in the development of multifunctional materials is presented. The highly robust porous organic polymer (POP) system allows for exploration of the interplay between electronic and host–guest interactions in the synthesized polymers, POP-V1, which contains a redox-act...
متن کاملBenzyl viologen-mediated counteraction of diquat and paraquat phytotoxicities.
There was reason from bacterial and algal systems to expect that pretreatments with a paraquat analog might confer tolerance against a subsequent paraquat treatment. Thus, a series of compounds were tested for protective activity against bipyridinium herbicides. These included other bipyridinium compounds and derivatives, as well as compounds having similar or more positive redox potentials tha...
متن کاملEffects of oxygen and methyl viologen on Thermus aquaticus.
Under increased oxygen tensions, Thermus aquaticus exhibited a lag period in growth of 80 min, during which the specific activities of catalase, peroxidase, and superoxide dismutase increased. Methyl viologen increased the lag period, decreased the maximum population density, increased cell lysis, and induced catalase and superoxide dismutase. Methyl viologen, in conjunction with chloramphenico...
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ژورنال
عنوان ژورنال: Journal of General Physiology
سال: 1933
ISSN: 1540-7748,0022-1295
DOI: 10.1085/jgp.16.6.859