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H<sub>2</sub>O<sub>2</sub>‑Responsive Organic Small-Molecule MRI Probes for Acute Kidney Injury Imaging and Detection. [PDF]
ACS OmegaChen R +13 more
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Influence of Protonation and Iron(II) Complexation on Magnetic Interactions in Spin-Labeled Mechanically Interlocked Molecules. [PDF]
ChemistryGualandi L +7 more
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Redox-active nitroxides enhance cisplatin efficacy against cervical cancer. [PDF]
Redox BiolSoltau CP +9 more
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Nitroxide-mediated radical processes
The Chemical Record, 2005In the present short review article recent achievements in nitroxide-mediated radical polymerizations are presented. The basic concept behind these reactions, which is the Persistent Radical Effect (PRE), will be briefly explained. The effect of the nitroxide structure on the polymerization process will be discussed.
Armido, Studer, Tobias, Schulte
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Fluorinated nitroxide radicals
Mendeleev Communications, 2006AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Alexander I. Kokorin, Igor A. Grigor'ev
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Journal of the American Chemical Society, 1973
In contrast to earlier reports, it is shown that dialkyl nitroxides are stable in strong acid solutions at room temperature. The nitroxides yield epr spectra indicating that they are protonated in solutions such as 100% H2SO4 which have Hammett acidity function values, H0, more negative than ca. -7.5. In solutions having H0 more positive than ca.
Malatesta, V., Ingold, K. U.
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In contrast to earlier reports, it is shown that dialkyl nitroxides are stable in strong acid solutions at room temperature. The nitroxides yield epr spectra indicating that they are protonated in solutions such as 100% H2SO4 which have Hammett acidity function values, H0, more negative than ca. -7.5. In solutions having H0 more positive than ca.
Malatesta, V., Ingold, K. U.
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Nitroxide radical biostability in skin
Free Radical Biology and Medicine, 1993Nitroxide radicals are important chemical tools in dermatologic research (e.g., for studying biophysical properties of skin lipids and epidermal membranes with the method of electron paramagnetic resonance, EPR, spectroscopy). However, nitroxides may loose their paramagnetic properties in biological tissues, which could limit their usefulness in ...
J, Fuchs +5 more
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Mutagenicity of nitroxide-free radicals
Archives of Biochemistry and Biophysics, 1986Stable nitroxides were found to be mutagenic using Salmonella typhimurium tester strain TA 104, a strain chosen on the basis of its high sensitivity to oxidative damage. Nitroxide mutagenicity was dramatically increased in the presence of the superoxide radical generating system, xanthine oxidase/hypoxanthine, and it was suppressed in cells carrying ...
H, Sies, R, Mehlhorn
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Proton hyperfine tensors in nitroxide radicals
The Journal of Physical Chemistry, 1990The proton hyperfine tensors of five nitroxide radicals have been obtained by ENDOR spectroscopy in frozen solution. The spectra are interpreted by computing the dipolar hyperfine interaction and simulating the spectra. EPR spectra in solution of the same radicals have been simulated by taking into account the effects of the proton hyperfine tensors ...
M. Brustolon +4 more
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Nature, 1964
THE stability of organic free radicals is generally attributed to electron delocalization, steric inhibition of dimerization, or both (for example, 2,4,6-tri-t-butylphenoxyl), and the nitroxide radicals appear to accord well with these views. In the well-known diaryl nitroxides (I)1,2 the group is attached to two conjugated systems, in (II)3 and (III ...
A. R. FORRESTER, R. H. THOMSON
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THE stability of organic free radicals is generally attributed to electron delocalization, steric inhibition of dimerization, or both (for example, 2,4,6-tri-t-butylphenoxyl), and the nitroxide radicals appear to accord well with these views. In the well-known diaryl nitroxides (I)1,2 the group is attached to two conjugated systems, in (II)3 and (III ...
A. R. FORRESTER, R. H. THOMSON
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