Adsorption inhibition

Other composite photocatalysts were prepared by mounting immobilized anatase particles on mesoporous silica and silica beads [189-191], The behavior of anatase-mounted activated carbons was also studied in detail [192-194], It was even suggested that carbon-coated anatase exhibits better performance in photocatalysis than anatase itself, demonstrating high adsorptivity, inhibition of interaction with organic binders, etc. [195,196],... 

Raymond, J.A., and A.L. DeVries (1977). Adsorption inhibition as a mechanism of freezing resistance in polar fishes. Proc. Natl. Acad. Sci. USA 74 2589-2593. 

Kelvin effect, 153 mattress model of adsorption inhibition, 153-154 medical applications, 155 recrystallization- inhibition applications, 155 repeating tripeptide unit, 152 step pinning model of adsorption inhibition, 153-154 structure, 152 subtypes, 152... 

The activation energy is lower over Pt than over Ir, Rh, Pd and Ru catalysts [87]. CO adsorption inhibits dissociation of O2 at low temperatures. Because of CO desorption, inhibition becomes less with increased temperatures. The overall rate of oxidation decreases at higher temperatures because of the decrease in surface coverage. 

Several analogues, which differ from natural sialic add in one or two positions, have been synthesised and tested in a virus-adsorption inhibition assays. 

A simple view of the effect of placing a dye molecule on a surface is that adsorption inhibits some of the low frequency skeletal motions which contribute to the radiationless decay of D to the ground state (internal conversion). Thus, it is easy to understand how adsorption of rhodamine B can lead to a lifetime which is longer than in solution, just as the solution lifetime increases significantly with solvent viscosity (15,26). We have taken Tj to be 1/k and recall, somewhat reassuringly, that T2 was the same on glass and on both semiconductors. 

With regard to the first point, initial work with polyethylene (II) postulated that the mechanism of adsorption inhibition involved collision of red cells with the surface, and transfer of some material from the cell surface to the tube wall. Such an effect might be considered to be more probable if it involved hydrophobic interactions, which would be more likely for polyethylene than for glass. However, as is shown by the present study, the extent of inhibition is about the same for both surfaces, so that whatever the mechanism or mechanisms, the inhibition appears equally likely for hydro-phobic and hydrophilic surfaces. The effect may be a general one that would occur for any surface. 

Nitsch, W. and Weber, G., Overcoming adsorptive inhibition of mass transfer in the range of critical micelle formation concentration, Chem. Eng. Techn., 48, 715, 1976. 

Polar crystals Scheme 4 describes an appropriate polar crystal belonging to space group P2i, The unique axis of the crystal is parallel to the X-A direction. Faces/I and fZ delineate the crystal in the polar + b direction and /3, /4, /5 in the - b direction. The faces within each pair/I,/2, and/3,/5, are homotopic since they are related by 2-fold symmetry. Since the crystal is polar the structures of the faces at the + b and - b ends are different. By application of the two-step mechanism of adsorption-inhibition, an inhibitor X-Y will bind selectively at faces/I and/2, and once bound, will retard growth along + b and possibly other directions but not along - 6, in the crystal of Scheme 4a. In an analogous way an inhibitor Zr-A will hinder the growth of faces /3, /4 and/5 but not of/I and/2 (the opposite would happen in the structure of Scheme 4b). Such retardation will be associated either with an increase in the areas of the inhibited faces with respect to the unaffected ones or with the... 

A generalization regarding the denominator of the L-H kinetics is of interest here. The adsorption terms appearing in the denominator are sometimes called adsorption inhibition terms. The denominator essentially represents the fraction of sites that are vacant, resulting from the expression ... 

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