Oscillations anion effects

Zueva and Protopopov studied the anion effect on the redox reaction of KI03/H202/Cys HC1 in H2S04 (1982-1), and observed increases in amplitude of oscillations. Also, the effect of cysteine hydrochloride on the alterations of oscillations in the same system were studied, (1982-2). 

The effect of anion ordering on the stability of FISDW phases has been confirmed quantitatively by calculation of the spin susceptibility following the standard approach and including an additional periodic potential with wave vector Q = (0, 5, 0) [135]. After this numerical computation even phases (N = 0, 2) are suppressed, whereas odd phases N = 1,3 are not. The same model also explains the normal-phase reentrance above 17 T. However, the predicted oscillation for Tc versus the magnetic field in the N = 0 phase is still lacking in the experimental data. 

Fig. 4.4. (D and E) Primary electron acceptor (An 2) plastoquinone (or quencher Q). (D) Optical spectrum of the light induced plastosemiquinone anion (O), compared to the spectrum of PQ semi-quinone in non-aqueous solvent ( ). The additional spectral shifts at 545 and 685 nm are attributed to electrochromic effects on pheophytin (from Ref. 85). (E) ESR spectrum of A7, j reduced by light (a) or by dithionite (b) in Ch/amydomonas PSIl particles (from Ref. 87). (F) Secondary electron acceptor (An ) plastoquinone. (F) Flash-induced optical changes due to the reduction of the secondary electron acceptor plastoquinone the spectra oscillate in a dampened sequence following subsequent flashes indicating the production of semiquinone (1st and 3rd flash) and quinol species (2nd and 4th) (from Ref. 103).

---