ライフサイエンスコーパス: semiquinone radical

1 ] cluster and to FMN in the form of a flavin semiquinone radical.

2 tron out of the substrate to form a reactive semiquinone radical.

3 -based reaction mechanism possibly involving semiquinone radical.

4 d a species with the optical properties of a semiquinone radical.

5 yrosyl radical in the formation of the ortho-semiquinone radical.

6 uced enzyme exhibits a stable anionic flavin-semiquinone radical.

7 75 or the introduced His, interacts with the semiquinone radical.

8 idue of HbO(2) to generate its corresponding semiquinone radical.

9 57 and the proton on N(5) of the neutral FMN semiquinone radical.

10 activity becomes one-electron-oxidized to a semiquinone radical.

11 de synthase (eNOS) reduces adriamycin to the semiquinone radical.

12 lavin in resting nNOS exits as an air-stable semiquinone radical.

13 agents can serve as coupling partners to the semiquinone radical.

14 flavin molecule is found as a stable neutral semiquinone radical.

15 ct observation of the nitro group-stabilized semiquinone radical.

16 ve proxies, which includes the generation of semiquinone radicals.

17 a big concern, because the catechol-derived semiquinone radical after the oxidation of catechol (CA)

18 These states include the anionic semiquinone radical and fully reduced neutral and anioni

19 c cobalt complex featuring a ligand-centered semiquinone radical and outer-sphere pyrene trimethylamm

20 ite first produces some neutral, blue flavin semiquinone radical and, finally, fully reduced FADH2.

21 environments, we were able to stabilize two semiquinone radicals and thus observed their weak emissi

22 of O2 due to further cycling between oxygen, semiquinone radicals, and iron species.

23 e low-energy (3)MLCT(SQ) state (Ru(III) phen-semiquinone radical anion) as the predominant nonradiati

24 Az-NN; SQ = the zinc(II) complex of spin-1/2 semiquinone radical anion, NN = spin-1/2 nitronylnitroxi

25 mmogram, which leads to the formation of the semiquinone radical anions (P)-(+)-1(*-) and (M)-(-)-1(*

26 o mixed valency in the corresponding quinone-semiquinone radical anions.

27 Reactive semiquinone radicals are quickly produced upon the encou

28 These semiquinone radicals are reactive intermediates that hav

29 gher the steady-state level of the resulting semiquinone radical at near neutral pH.

30 eased amounts of reactive oxygen species and semiquinone radical, both of which can cause DNA damage,

31 characterized the nNOS heme iron and flavin semiquinone radical by electron paramagnetic resonance (

32 adical, Ph = 1,4-phenylene, SQ = S = (1)/(2) semiquinone radical, Cat = S = 0 catecholate, and py = p

33 We report the first direct detection of a semiquinone radical generated by the Q(o) site using con

34 However, the semiquinone radicals generated in pure hydroquinone solu

35 are rapidly oxidized by dioxygen, while the semiquinone radicals generated in SRFA solution are resi

36 rent relaxation behavior and a stable flavin semiquinone radical identified by EPR as a neutral radic

37 by EPR spectroscopy, the properties of this semiquinone radical in appropriately poised samples of p

38 ze a signal assigned as a stable red anionic semiquinone radical in the resting state of MAO B.

39 e critical role of quinoid intermediates and semiquinone radicals in CL generation from polychlorinat

40 odynamic and EPR spectroscopic properties of semiquinone radicals in these mutants were characterized

41 The semiquinone radical is attenuated on titration with puta

42 A stable neutral flavin-semiquinone radical is observed in the air-oxidized enzy

43 A neutral flavin-semiquinone radical is observed in the oxidized enzyme,

44 of cytochrome bo(3) from Escherichia coli, a semiquinone radical is stabilized in a high-affinity bin

45 five-line ESR spectrum characteristic of the semiquinone radical of UQ(0) (UQ(0)).

46 (2)O(2)/NO(2)(-) generates the corresponding semiquinone radicals presumably via one-electron oxidati

47 ces Fe(III) in acidic conditions, generating semiquinone radicals (Q(*-)) that can oxidize Fe(II) bac

48 d QH(2)(*+) that quickly deprotonates into a semiquinone radical (QH(*)).

49 he characteristic hyperfine structure of the semiquinone radical signal observed in the wild-type oxi

50 uced forms exhibit neutral and anionic flavo-semiquinone radical signals, respectively, demonstrating

51 We anticipate that this versatile semiquinone radical species will be central to the devel

52 uggesting that Int-2 is a peroxo-Fe(III)-4NC semiquinone radical species.

53 chain-propagating species, the deprotonated semiquinone radical (SQ(*) (-)) generated from both the

54 oth dihydroxy PCBs and PCB quinones can form semiquinone radicals (SQ(*-)) in vitro.

55 measurements identify a predominant anionic semiquinone radical state in cell.

56 The generation of semiquinone radicals, superoxide, and hydroxyl radicals

57 n as isolated contained an air-stable flavin semiquinone radical that was sensitive to FeCN6 oxidatio

58 1 complex in the presence of an intermediate semiquinone radical, thus making the Qo-site a strong ca

59 agents, the flavin can be cycled through the semiquinone radical to the fully reduced state with ligh

60 eactive species switched from singlet oxygen/semiquinone radicals to SO(4)(*-)/(*)OH and then to COO(

61 the formation of the protein tyrosine ortho-semiquinone radical (ToQ.).

62 F and the R71H mutants, no EPR signal of the semiquinone radical was observed in the redox potential

63 inoid intermediates, but more interestingly, semiquinone radicals were produced during the degradatio

64 ron reduction of adriamycin forms adriamycin semiquinone radical, which rapidly reacts with oxygen to

65 ation methods gave rise to a transient DOPAL semiquinone radical, which was characterized by electron

66 As isolated, both flavins are present as red semiquinone radicals, which can be reduced by stigmast-1