[PDF] Top 20 Models of the Oxygen Evolving Complex of Photosystem II

... and electronic states with the minimized structures obtained from QM. The optimization of the structures was carried out for the high spin configuration of each compound. Using this structure, we also calculated the ... See full document

... the oxygen-evolving complex (OEC) of photosystem II (PSII), presents an attractive alternative energy source to traditional petrochemical ...evolve oxygen from a synthetic ... See full document

... Nature of the s2 state electron paramagnetic resonance signals from the oxygen evolving complex of photosystem II: Q-band and oriented X-band studies.. Evidence for two forms of the g=4.[r] ... See full document

... Considering the above points, an interesting picture emerges which highlights structural factors largely ignored in mechanistic considerations to date. These have focussed closely on the Mn cluster itself and ... See full document

... complexes fall within a small number of structure types: cuboidal, square, linear, or adamantane-shaped. Although magnetic susceptibility and spectroscopic studies indicate that the spin ground state correlates with the ... See full document

... Chapter 4 revisited another controversial topic, the quenching of fluorescence and its protective mechanism of PSII. Based on Chapter 3, it can be accepted that excessive light energy does cause PSII photodamage in ... See full document

... as models to find new models for inhibitors of ...OEC complex and between P 680 to Q A of PS II, and inhibited the photosystem II (PS II) by ... See full document

... current models for water oxidation invoke a function for Cl' in charge neutralisation in the higher S-states (Pecoraro et al, 1998; Tommos & Babcock, ... See full document

... double-zeta basis sets from the previous chapter. Some of the structural models from the pre- vious chapter were retained, with modifications made to ensure convergence. Spin-effects were also investigated, using ... See full document

... studied. A considerable decrease of the most important chlorophyll fluorescence parameters values mainly in the cucumber leaves, compared to the control, was observed. It indicates damages as well as at a donor and ... See full document

... The photosystem II (PSII) complex found in all oxygen-evolving photosynthetic organisms functions as a water-plastoquinone oxidoreductase, using light energy to catalyze water splitting ... See full document

... releasing oxygen and reduce carbon dioxide forming large carbon compounds primarily ...Photosynthetic complex comprises of two photosystems: Photosystem II and ...I. Photosystem ... See full document

... PSII complex in high light conditions (Schroda et a l, ...one photosystem over the other this balance is ...the complex that it favours ...light-limited photosystem receives more ... See full document

... and oxygen is a process that offers the prospect of a genuinely sustainable energy technology if the source of the energy is derived from sustainable solar, wind, tide, and ...the Photosystem II ... See full document

... the complex have short stretches of amphipathic a-helix parallel to the transm embrane spans th at form an interrupted (I) helix described in ...carbonyl oxygen atoms and peptide amino groups which form as ... See full document

... This study used a multi-faceted approach to quantify changes in photobiology of the symbionts from two common coral species, Turbinaria reniformis and Stylophora pistillata (hereafter Stylophora and Turbinaria), in ... See full document

... u rea . 9M u re a in O.IM Tris-HCl pH 8.0 was added dropw ise w ith rap id stirrin g to a suspension of photosystem -I particles, in itial concentration 1.5 m g chlorophyll/m l. The suspension w as diluted w ith ... See full document

... as observed in Symbiodinium isolated from the coral Galaxea fasicularis into seawater (Goiran et al. 1997). The process of making FIS could therefore shock Sym- biodinium. This effect might be more significant in the ... See full document

... The goal of this work is to improve the efficiency of the solid low-reactive fuels use in thermal power plants. To achieve the goal we set the following tasks: to develop an equilibrium mathematical model that allows ... See full document

...  A “correlation radius”, where the site energies of closely neighbouring chlorophylls are correlated, has been investigated93 but its applicability to low-­‐ tempera[r] ... See full document