ライフサイエンスコーパス: nitroxide

1 he modified Taft steric constant E(s) of the nitroxide.

2 uires a paramagnetic spin catalyst such as a nitroxide.

3 ent for the neutral and charged forms of the nitroxide.

4 ium salts and trace amounts of corresponding nitroxide.

5 adical to the oxoammonium ion to re-form the nitroxide.

6 a peroxyl radical to eventually re-form the nitroxide.

7 n alkyl bromide and a hydroxy-functionalized nitroxide.

8 radical that is spin-trapped in situ by the nitroxide.

9 ed reversible redox behavior for all studied nitroxides.

10 toolset for the predictive design of pyridyl nitroxides.

11 ompared to corresponding 2,2,5,5-tetramethyl nitroxides.

12 es were much more reactive than the backbone nitroxides.

13 es were developed under the name of shifting-nitroxides.

14 ning of both the 15N-labeled and 14N-labeled nitroxides.

15 eased in the manner usually observed for bis-nitroxides.

16 ino nitroxide as the ratio [AS](0)/[nitronyl nitroxide](0) is increased.

17 hydrophilic tetracarboxylate ester pyrroline nitroxides 1 and 2, which serve as models in the search

18 Reduction of nitronyl nitroxide 3 in system NaNO2-AcOH yielded corresponding i

19 tetrafluoroborate (5), and its corresponding nitroxide (4) are reported.

20 These nitroxides, like nitroxide 5, exhibited narrow linewidths-consistent with

21 Nitroxide 8 (4-carboxymethylidene-2,2,6,6-tetramethyl-1-

22 r a variety of structural diversity, such as nitroxide 9,that can, for instance, target tissue compar

23 hyperfine coupling constant of the released nitroxide a(N,SG1), meaning that the stabilization of th

24 than those treated with phenoxazine (or its nitroxide) alone.

25 raction between the 15N-labeled incarcerated nitroxide and a 14N-labeled free nitroxide in the extern

26 ination of spectroscopically distinguishable nitroxide and gadolinium spin labels and Double Electron

27 applied a dual labeling approach, employing nitroxide and Gd(III) spin labels, in conjunction with Q

28 s verified with spectroscopically orthogonal nitroxide and Gd(III)-based labels.

29 (*) radical is connected to the PDI with the nitroxide and imide nitrogen atoms either para (1) or me

30 amine and is eventually converted into imino nitroxide and imino hydroxylamine.

31 X-ray diffraction analysis of both nitronyl nitroxide and iminonitroxide revealed a complete match o

32 and shifts the equilibrium in the mixture of nitroxide and reference hydroxylamine (3-carboxy-1-hydro

33 larity of both the incarcerated paramagnetic nitroxide and the nitroxides in the external bulk aqueou

34 e obtained for the reaction of imidozalidine nitroxide and the phenethyl radical.

35 imply that bulky substituents can stabilize nitroxide and/or destabilize hydroxylamine.

36 In the spectra of all ten compounds (nitroxides and corresponding oxoammonium salts), the car

37 ing to the formation of the respective imino nitroxides and hydroxylamines via a complex mechanism.

38 Cells cotreated with phenoxazine (or its nitroxide) and a superoxide source were better protected

39 charged guest@host complex (incarcerated 15N nitroxide) and charged molecules in the aqueous phase.

40 f FA, we examined the potential of tempol, a nitroxide antioxidant and a superoxide dismutase mimetic

41 However, for membrane proteins, the nitroxide appears to have more interactions with the pro

42 Nitroxide diradicals, in which nitroxides are annelated to m-phenylene forming tricycli

43 Two nitroxides are attached to phosphorothioates that are ch

44 The nitroxides are designed to have the methyl groups furthe

45 denoting that the oxidant properties of the nitroxides are determined by steric and electronic effec

46 is was circumvented by the protection of the nitroxide as a benzoylated hydroxylamine.

47 lamine increases at the expense of the imino nitroxide as the ratio [AS](0)/[nitronyl nitroxide](0) i

48 rm- d 1 were investigated in the presence of nitroxides as paramagnetic catalysts.

49 eotides spin-labelled with triazole-appended nitroxides at the 2' position offers a robust and minima

50 probe, occurring approximately about the NO nitroxide axis.

51 behavior in a thermally unswitchable copper-nitroxide based molecular magnet Cu(hfac)2L(i-Pr) paves

52 We report a rare case of a copper-nitroxide based molecular magnet Cu(hfac)2L(i-Pr) that d

53 A new nitroxide-based biradical having a long electron spin-la

54 To employ in-cell EPR using nitroxide-based spin labels, the structure of the nitrox

55 view of this finding, we synthesized two new nitroxides bearing an exocyclic double bond: 4-methoxyca

56 development arises from the exchange of the nitroxide between the two phases.

57 e, and paracetamol were impregnated with bis-nitroxide biradical (bis-cyclohexyl-TEMPO-bisketal, bCTb

58 A series of seven functionalized nitroxide biradicals (the bTbK biradical and six derivat

59 ost commonly, MAS-DNP is based on the use of nitroxide biradicals as polarizing agents.

60 to form (*)NO(2) and the corresponding imino nitroxide, C-PTI.

61 the corresponding imino nitroxide, nitronyl nitroxide can discriminate NO from HNO only when present

62 ance (EPR) of biomolecules spin-labeled with nitroxides can offer uniquely sensitive and selective in

63 Rotation of gem-dimethyls in commonly used nitroxides causes spin echo dephasing times (Tm) to be t

64 ablished cardioprotectant, dexrazoxane, or a nitroxide conjugated to a triphenylphosphonium cation, M

65 imidazol-3-oxide- 1-oxyl (3), a new nitronyl nitroxide containing a multifunctional framework of stro

66 The nitroxide-containing nucleoside Cm is reported as the fi

67 Nitroxide-containing organic radical polymers (ORPs) hav

68 curacy of pKa determination for pH-sensitive nitroxides could be achieved regardless of the frequency

69 ic resonance (EPR) experiments show that the nitroxides couple to one another at distances as long as

70 lso explore alternative mechanisms for amine/nitroxide cycling for cases where the alkoxyamines do no

71 hat might, potentially, be involved in amine/nitroxide cycling, as well as several novel pathways pro

72 aspect of these studies is that both Cu(2+)/nitroxide DEER at cryogenic temperatures and T1 relaxati

73 Both of these profluorescent nitroxides demonstrated low cytotoxicity toward Chinese

74 Moreover, the new nitroxides demonstrated much higher stability toward red

75 cals has first been confirmed by using a new nitroxide-derived profluorescent radical trap.

76 Nitroxide diradicals, in which nitroxides are annelated

77 ching were achieved for pyrazolines with the nitroxide directly fused to the chromophore.

78 esonance data yield Cu(2+)-Cu(2+) and Cu(2+)-nitroxide distances that are uniquely consistent with on

79 for the R1 relaxation rate, suggesting that nitroxide dynamics remain coupled to the backbone on mem

80 ine variants of N-PGK were labelled with the nitroxide electron spin-label MTSL [(1-oxyl-2,2,5,5-tetr

81 Here we describe the introduction of nitroxide EPR probes into calmodulin by means of site-di

82 id) (ABTS(+)) radical, as well as the stable nitroxide free radical 4-hydroxy-2,2,6,6-tetramethylpipe

83 ne-1,4,7,10-tetraacetic acid) containing two nitroxide free radical units was synthesized.

84 domimetics with two pendant, chiral nitronyl nitroxide free radical units.

85 The direct (13)C NMR and EPR spectra of the nitroxide free radicals and the oxoammonium salts, along

86 A range of varying chromophore nitroxide free radicals and their nonradical methoxyamin

87 t as 63 nanoseconds, in a frozen solution of nitroxide free-radicals at temperatures as high as 190 k

88 n of the EPR nitrogen splitting of a dialkyl nitroxide function mounted within the macrocyclic ring.

89 allowing the preparation of a library of the nitroxide functionalized pyrazolines and corresponding m

90 up bulky spirocyclic moieties adjacent to a nitroxide group and provides an important supplementatio

91 The nitroxide groups substantially shortened the T1 of the b

92 13C relaxivity in C60 induced by nitroxide has also been measured.

93 yclic C(2)-symmetric chiral pyrrolidine-type nitroxide has been successfully synthesized starting fro

94 sion were observed, with the presence of the nitroxide having no significant impact on the cycloaddit

95 ed in an endofullerene based on a reversible nitroxide/hydroxylamine system.

96 ncarcerated nitroxide and a 14N-labeled free nitroxide in the external aqueous solution was observed

97 spiro dinitroxide biradicals that orient the nitroxides in a rigid, approximately orthogonal geometry

98 surements of local hydration dynamics around nitroxides in bulk water and on the surface of proteins

99 ed the oxidation potential of the respective nitroxides in comparison to electron-donating groups.

100 The positions of nitroxides in other helices at the cytoplasmic surface r

101 incarcerated paramagnetic nitroxide and the nitroxides in the external bulk aqueous phase.

102 escence is partially quenched by surrounding nitroxides in the native state; exposure to ascorbate or

103 he distribution of distances between the two nitroxides in the peptides when in solution and when bou

104 Two nitroxides incorporating anthracene and fluorescein chro

105 y that for both systems triplet quenching by nitroxide induces spin polarization of the radical spin

106 It is concluded that nitronyl nitroxide is readily reduced by HNO to nitronyl hydroxyl

107 hered to streptavidin or the mobility of the nitroxides is altered.

108 paramagnetic resonance imaging (EPRI) using nitroxides is an emergent imaging method for studying in

109 -PTIO), which yields the corresponding imino nitroxides, is widely used for NO detection (mainly by e

110 e inner loop (residues 401-413), and the EPR nitroxide label revealed ligand-induced conformational d

111 , GroEL may come into close proximity to the nitroxide label.

112 EPR spectroscopy of nitroxide-labeled BASPs was used to probe differences be

113 We found that the gem-diethyl nitroxide-labeled Bax variants were reasonably stable in

114 Moreover, the nitroxide-labelled GDP binds inside the channel and seem

115 ane that is characterized by the presence of nitroxide labels both at the wheel and at the dumbbell.

116 Reduction of the nitroxide labels by a polymeric reductant revealed locat

117 Monitoring distances between 10 pairs of nitroxide labels distributed across the intracellular re

118 CC6803 (Cph1) by measuring distances between nitroxide labels introduced into the protein.

119 evealed location-dependent reactivity of the nitroxide labels: peripheral nitroxides were much more r

120 trates that HNO readily reacts with nitronyl nitroxides, leading to the formation of the respective i

121 Metal complexes of a tripodal nitroxide ligand [{(2-(t) BuNO)C6 H4 CH2 }3 N](3-) (TriN

122 These nitroxides, like nitroxide 5, exhibited narrow linewidth

123 to find a globally minimized arrangement of nitroxide locations that simultaneously satisfied the cr

124 n electrostatic potential through changes in nitroxide magnetic parameters and the degree of rotation

125 ate that this fully isotopically substituted nitroxide markedly improves signal-to-noise ratio and, t

126 n relaxation parameters demonstrate that new nitroxides may be suitable for PELDOR distance measureme

127 formation of alkoxyamines on the fate of the nitroxide-mediated polymerization (NMP) of styrene.

128 through temporal regulation of initiation in nitroxide-mediated polymerization reactions.

129 A nitroxide-mediated polymerization strategy allows one-st

130 or use in, for example, organic synthesis or nitroxide-mediated polymerization.

131 iphenylphosphino)styrene was synthesized via nitroxide-mediated polymerization.

132 Species 6b induces the controlled nitroxide-mediated radical polymerization (NMP) of styre

133 a of the resulting K1 mutants reflect higher nitroxide mobilities than the spectra of analogous mutan

134 exchange interaction between the trityl and nitroxide moieties determines the magnetic field at whic

135 Reduction of paramagnetic nitroxide moieties to a diamagnetic species resulted in

136 201) leading to a rigid complex with remote nitroxide moieties.

137 ing that increasing the distance between the nitroxide moiety and methyl groups is effective in lengt

138 ants for collisional quenching of Trp by the nitroxide moiety are approximately 1 / 5 x 10(12) M(-1)

139 Tethering the nitroxide moiety directly to the lipid polar headgroup d

140 es (ROS) was measured using a profluorescent nitroxide molecular probe 9-(1,1,3,3-tetramethylisoindol

141 ork has established that stable paramagnetic nitroxide molecules are excellent probes of intermolecul

142 X-band EPR spectroscopy was used to monitor nitroxide motions in the 0.1-50 ns regime.

143 xide-based spin labels, the structure of the nitroxides must confer reduction resistance to withstand

144 itroxide yields only the corresponding imino nitroxide, nitronyl nitroxide can discriminate NO from H

145 on an adamantane core bearing six equivalent nitroxide-nitroxide distances is also reported.

146 The synthesis of four nitronyl nitroxide (NN) biradicals is described which are conjuga

147 ly blue-colored Ullman imidazolinyl nitronyl nitroxide (NN) mono-radicals have found various applicat

148 es (BDTTh(2)) linked with nitronyl and imino nitroxides (NN and IN) as BDT-NN, BDT-IN, BDTTh(2)-NN, a

149 In a nitroxide (NO)-labeled sample, distance distributions ob

150 The nitroxides of 7-azadispiro[5.1.5.2]pentadecane and 7-aza

151 ascorbate than spirocyclohexane-substituted nitroxides of piperidine series and showed 1.3-3.14 time

152 In materials science, since the use of nitroxides often limits the signal enhancement to the ma

153 ly manipulate the oxidizing power of surface nitroxide/oxoammonium redox couple, hence showing the pr

154 310-helical conformation with both nitronyl nitroxide pendants positioned on the same side of the he

155 ,SG1), meaning that the stabilization of the nitroxide played an important role in C-ON bond homolysi

156 th microwaves in the presence of typical bis-nitroxide polarizing agents is utilized for steady-state

157 gh power battery electrodes by hybridizing a nitroxide-polymer redox supercapacitor (PTMA) with a Li-

158 atives were synthesized, each containing the nitroxide probe 2,2,6,6-tetramethyl-piperidine-1-oxyl-4-

159 -RE, measured using a nucleotide-independent nitroxide probe and double-electron-electron-resonance s

160 irected spin labeling, a covalently attached nitroxide probe containing a chemically inert unpaired e

161 The nitroxide probe rotational dynamics in longer chain dete

162 These profluorescent nitroxide probes are potentially powerful tools for imag

163 ctural and dynamic features using a class of nitroxide probes that are linked to chemically substitut

164 Sensitivity of the nitroxide probes to H(2)O(2)-induced damage was also dem

165 tor demonstrated good cellular uptake of the nitroxide probes.

166 ved alkyl radical with a diarylamine-derived nitroxide-proceeds by different mechanisms depending on

167 The nitroxides proved to be hundreds of times more effective

168 hed to the cytoplasmic domain of CLS and the nitroxide quencher attached to the lipid bilayer, we sho

169 nthesized two series of compounds in which a nitroxide radical and a fullerene C(60) moiety were kept

170 ements larger than 10 were obtained with bis-nitroxide radical at 14.1 T and low temperature ( approx

171 n ubiquitin in the presence of two different nitroxide radical cosolutes, at multiple static magnetic

172 e examine a family of polythiophenes bearing nitroxide radical groups, showing that while both specie

173 the buffer solution, respectively, and (B) a nitroxide radical partitioning between polar (aqueous) a

174 ected spin labeling (SDSL) utilizes a stable nitroxide radical to obtain structural and dynamic infor

175 A stable nitroxide radical, 1-oxyl-4-bromo-2,2,5,5-tetramethylpyr

176 These nitroxide radical-based nanostructures have longitudinal

177 arization of solvent molecules that approach nitroxide radical-based spin labels within <5-10 A.

178 l state and hence the electroactivity of the nitroxide radical.

179 ds to its corresponding catalytically active nitroxide-radical.

180 We attach nitroxide radicals (i.e., spin labels) to multiple phosp

181 The ORCA is based on spirocyclohexyl nitroxide radicals and poly(ethylene glycol) chains conj

182 Nitroxide radicals are introduced into the reverse micel

183 recent reports that the coupling factor for nitroxide radicals cannot be quantified due to the diffi

184 TEMPO oxoammonium salts and three homologous nitroxide radicals have been prepared and characterized.

185 cleotide-independent labeling scheme, stable nitroxide radicals were attached to eight specific pRNA

186 pening metathesis polymerization (ROMP), and nitroxide radicals were incorporated at three different

187 Nitroxide radicals were introduced at selected positions

188 -aromatics, iron coordination complexes, and nitroxide radicals.

189 e-coupled clusters of copper(II) with stable nitroxide radicals.

190 MeO or EtO) supported by air-stable nitronyl nitroxide radicals.

191 ganic solvents in the presence of paramagnet nitroxide radicals.

192 es cysteine residues and sulfhydryl-reactive nitroxide reagents, can be challenging for proteins that

193 ascorbate or ascorbate/glutathione leads to nitroxide reduction and a concomitant 2- to 3.5-fold inc

194 Electrochemical analysis and chemical nitroxide reduction experiments show that the dipole mom

195 We find that most of the literature nitroxide regeneration cycles should be discarded on eit

196 t the very beginning of the irradiation; the nitroxide resulting from the trapping of propargyl radic

197 tereomers (R(p) or S(p)) were separated, and nitroxide rotational motions were monitored using electr

198 tic resonance (EPR) spectra, which report on nitroxide rotational motions, were found to vary dependi

199 The synthesized chiral nitroxide showed a very high stability to reduction with

200 The new isotopically substituted nitroxide shows increased sensitivity to changes in O(2)

201 d with a hydroxylamine reagent to generate a nitroxide side chain (K1).

202 With a commonly used nitroxide side chain (R1) and Cu(2+), it has been found

203 A disulfide-linked nitroxide side chain (R1) is the most widely used spin l

204 Here, we introduce a highly constrained nitroxide side chain designated RX as an alternative to

205 electron paramagnetic resonance spectra of a nitroxide side chain placed at position 85 or 409 of the

206 directed spin labeling of Ser(155)Cys with a nitroxide side chain, we detected a change in conformati

207 distance data, and the known rotamers of the nitroxide side chain.

208 of helices rather than rearrangement of the nitroxide side chains are responsible for observed dista

209 tances and distance changes between pairs of nitroxide side chains introduced in helices at the cytop

210 nce quantum yield between the profluorescent nitroxide species and their nonradical adducts provides

211 ed to hydrogen-bonded and nonhydrogen-bonded nitroxide species.

212 of ordered arrays of reorienting isoindoline nitroxide spin centers with variable concentrations thro

213 er of which was modified with a paramagnetic nitroxide spin label (MTSL).

214 A nitroxide spin label (R5a) was covalently attached to a

215 eta42) to an alternative sequence in which a nitroxide spin label attached to cysteine has been intro

216 f spin-lattice relaxation rate (T1(-1)) of a nitroxide spin label by a paramagnetic metal.

217 lectron paramagnetic resonance spectrum of a nitroxide spin label can be obtained from the Fourier tr

218 xcited porphyrin triplet state (S = 1) and a nitroxide spin label chemically incorporated into a smal

219 a measurement of 140 amol of the most common nitroxide spin label in a approximately 593 fL liquid ce

220 detected by EPR as a change in mobility of a nitroxide spin label positioned near the maltose-binding

221 The paramagnetic nitroxide spin label was attached to Cys residues that w

222 ectroscopy shows that rotational motion of a nitroxide spin label, placed at the N-terminal end of th

223 An R5a nitroxide spin label, which was covalently attached at a

224 A pargyline based nitroxide spin labeled irreversible inhibitor (ParSL) wa

225 Nitroxide spin labels are used for double electron-elect

226 ling technology has enabled the insertion of nitroxide spin labels at positions on the surface of the

227 opy, an undecaribonucleotide derivative with nitroxide spin labels at terminal nucleotides was utiliz

228 vative of nonaribonucleotide pUUCGUAAAA with nitroxide spin labels attached to the 5'-phosphate and t

229 magnetic resonance detection and imaging of nitroxide spin labels in an individual macromolecule to

230 ements are the instabilities of the standard nitroxide spin labels in the cell environment and the li

231 d by the short lifetime of the commonly used nitroxide spin labels in the reducing milieu inside a ce

232 osition and sample temperature indicate that nitroxide spin labels on the exterior surface of BtuB, w

233 ibrium distribution of distances between two nitroxide spin labels rigidly attached to the helices of

234 placed, site-specifically attached pairs of nitroxide spin labels to monitor changes in the mini TAR

235 Nitroxide spin labels were incorporated into selected si

236 e-helical collagen V mimic (synthesized with nitroxide spin labels) in the active site of the catalyt

237 Nitroxide spin labels, introduced specifically at three

238 proximately 7 nm between introduced pairs of nitroxide spin labels, we show that distances are close

239 those observed previously in the presence of nitroxide spin labels, while this phenomenon is signific

240 ipolar coupling to paramagnetic probes, here nitroxide spin labels.

241 g from chemical exchange processes involving nitroxide spin labels.

242 ule that could be individually modified with nitroxide spin labels.

243 electron spin resonance from a T (1) = 1 ms nitroxide spin probe in a thin film at 4.2 K and 0.6 T.

244 at 236.6 and 9.5 GHz probed the tumbling of nitroxide spin probes in the lower stem, in the upper lo

245 anorods (GNRs) on paramagnetic properties of nitroxide spin probes.

246 he spin-spin and spin-lattice relaxations of nitroxide spin probes.

247 om representation of the covalently attached Nitroxide spin-label and virtual "solvent" particles cor

248 A first thiol-specific pH-sensitive nitroxide spin-label of the imidazolidine series, methan

249 d spin labeling by resolving rotamers of the nitroxide spin-label side chain in a variety of alpha-he

250 s in the proximity of a strategically placed nitroxide spin-label up to 8 A away.

251 NMR titrations with three nitroxide spin-labeled analogues of collagenous peptide,

252 The unliganded form of nitroxide spin-labeled HIV-1 protease and three differen

253 Here we report the synthesis of a nitroxide spin-labeled lipid A, characterize its localiz

254 n doing so, this work establishes 2'-alkynyl nitroxide spin-labelling as a minimally perturbing metho

255 n two unpaired electron spins (site-directed nitroxide spin-labels) is measured.

256 The paramagnetic nitroxides (spin-adducts) formed as a result of reaction

257 nvestigate more carefully the effects of the nitroxide structure on the re-formation rate constant k(

258 possible for most common ESR probes, such as nitroxides, studied at typical ESR frequencies because,

259 The conjugated phenyl nitroxide substituted HBC with five alkyl chains exhibit

260 The unique reaction of NO with nitronyl nitroxides such as 2-(4-carboxyphenyl)-4,4,5,5-tetrameth

261 nt supplementation to traditional methods of nitroxide synthesis.

262 centrations in orthogonally labelled Cu(II) -nitroxide systems using a commercial Q-band EPR instrume

263 Good agreement was found between nitroxide T (1) 's measured mechanically and inductively

264 IMTSL-PTE) containing a reversibly ionizable nitroxide tag attached to the lipids' polar headgroup.

265 e been spin-labeled at both ends with stable nitroxide TEMPO radicals.

266 a paramagnetic catalyst (dissolved O2 or the nitroxide Tempo) a slow back conversion into oH2@C60 was

267 agents referred to as TEMTriPols, in which a nitroxide (TEMPO) and a trityl radical are chemically te

268 (-/-) mice a diet supplemented with a stable nitroxide, Tempol, and showed that the progression of ne

269 Interestingly, only nitroxides that were efficiently converted to amines in

270 xchange-coupled biradicals, e.g., the trityl-nitroxides (TNs), possess particular magnetic properties

271 We reasoned that targeting a redox cycling nitroxide to mitochondria could prevent reactive oxygen

272 This was achieved by employing two different nitroxides to build the alkoxyamine moiety, each contain

273 (*)NO(2) oxidizes the nitronyl and imino nitroxides to their respective oxoammonium cations, whic

274 enols and the carboxylic acid functionalized nitroxide TPC.

275 mmon families of persistent organic radicals-nitroxide, triphenylmethyl, verdazyl, phenalenyl, and di

276 The manganese-nitronyl-nitroxide two-dimensional coordination polymer {[Mn2(NIT

277 echanically blocked on a thread containing a nitroxide unit by a Cu(I) catalyzed azide-alkyne cycload

278 pling between the two mechanically connected nitroxide units and were analyzed by a model assuming th

279 ious lengths, were coupled with the shifting-nitroxide via an enol ester link and tested against seve

280 avenue for the preparation of profluorescent nitroxides via nitrile imine-mediated tetrazole-ene cycl

281 bility of obtaining multifunctional nitronyl nitroxides via the interaction of paramagnetic lithium d

282 A 15N-labeled nitroxide was incarcerated into an octa acid nanocapsule

283 ckbone dynamics could be mapped with SDSL, a nitroxide was introduced at 55 independent sites in a mo

284 For two nitroxides, we present results from EPR spectroscopy, X-

285 monstrated cytoprotective properties of some nitroxides, we probed if cross-dismutation operates in p

286 loping a framework for designing narrow-line nitroxides, we sought to understand the unexpectedly nar

287 5,5-tetraalkyl imidazoline and imidazolidine nitroxides were investigated.

288 activity of the nitroxide labels: peripheral nitroxides were much more reactive than the backbone nit

289 Nitroxides were recently shown to catalyze the cross-dis

290 Importantly, the pyrazoline profluorescent nitroxides were shown to efficiently act as sensors for

291 -350) revealed greater immobilization of the nitroxide when compared to that of the N-terminally modi

292 Nitroxides which exhibit a change in their EPR hyperfine

293 m involving the acid-catalyzed reaction of a nitroxide with a peroxyl radical to yield an oxoammonium

294 c cycle involving the rapid combination of a nitroxide with an alkyl radical to yield an alkoxyamine

295 d by switching the position of fullerene and nitroxide with respect to the peptide nitrogen and carbo

296 d utilizing the reaction of a profluorescent nitroxide with the B-n-butylcatecholboronate ester forme

297 ed by electron interchange reactions between nitroxides with an N-acetyl substituent and oxoammonium

298 Nitroxides with narrow linewidths are essential for low-

299 (c) values of the cross-coupling reaction of nitroxides with tert-butoxylcarbonyl-2-prop-2-yl radical

300 Since the reaction of NO with nitronyl nitroxide yields only the corresponding imino nitroxide,