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presence of iron oxide species was determined and ascertained by temperature programmed reduction (TPR). In the selective catalytic reduction of NO by ammonia, no difference of conversion between ...
Vanadyl species are frequently employed as structural mimics of the fleeting Fe (IV)=O intermediate in C–H hydroxylation carried out by non-heme iron hydroxylases. We study active site models of non ...
Abstract After pointing out the importance of trace elements for normal fungi activity , some of these elements were qualitatively and quantitatively determined in different species of Candida ...
and Fenton-like reactions. The main limitation in the reactivity of these systems is the solubility and redox equilibria of Fe3+/ Fe +2 species . In this way, the use of iron ligands (redox active or redox inert ...
–oxide interfaces, the oxide structure strongly affects the reactivity. Fu et al. have deposited Fe and FeO x with different structures on a Pt(111) surface and observed maximum CO oxidation activity ...
, the combined effect depends on the oxidation state of iron species whose effectiveness to activate sulfite to promote the degradation of SAs increased following this order: Fe (III) < Fe (II) < Fe (0) < Fe ...
. Apparent activation energies from model-independent analysis methods agreed well with those from model-dependent methods. Nucleation as rate- determining step in the reduction of the iron oxide species ...
and inferior quality. Plants have developed two elaborate mechanisms to acquire Fe from the soil and maintain proper endogenous Fe levels (Strategy I and II), which are used by different species (Grillet ...
of biogenic iron (0.6, 0.9, 9.2% Fe ) were deposited. γ-FeOOH deposition on the support was identified the process being determined by the anodic Al2O3 surface structure. The catalytic activity in the CO ...
three oxidants changed from the oxo– iron (IV)–porphyrin π‐cation radical [FeIV(tmps.+)(O)] (1++) at pH7.5, whereas a mixture of both species ...
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