Parsons approach

The Onsager method is thus applicable with low concentrations of a solution of rods (high concentrations (O 1) [8, 12-16]. Parsons approach [13] is distinguished by the greatest simplicity and generality with respect to application to solutions of rigid-chain macromolecules. The central approximation in [13] consists of the hypothesis that the pair correlation... 

S. N. Denting and S. L. Morgan, Experimental Design A Chemometric Approach Elsevier Science Publishing Co., Inc., Amsterdam, The Netherlands, 1987. D. D. Wolff and M. L. Parsons, Pattern Recognition Approach to Data Interpretation Plenum Press, New York, 1983. 

The applicability of the GCSG model has been tested by the Parsons-Zobel approach the Parsons-Zobel plots were linear for all systems, with the value of /re very close to unity. The values of Cf30 obtained by extrapolation of the 1/C(1/Q) curves to 1 /Cd = Owere in good agreement with the values of Cf calculated by Grahame s method. The C/,01 curves for Ga, In(Ga), Tl(Ga), and Hg apparently merge at [Pg.67]

The electrical double layer at Hg, Tl(Ga), In(Ga), and Ga/aliphatic alcohol (MeOH, EtOH) interfaces has been studied by impedance and streaming electrode methods.360,361 In both solvents the value ofis, was independent of cei (0.01 < cucio4 <0.25 M)and v. The Parsons-Zobel plots were linear, with /pz very close to unity. The differential capacity at metal nature, but at a = 0,C,-rises in the order Tl(Ga) < In(Ga) < Ga. Thus, as for other solvents,120 343 the interaction energy of MeOH and EtOH molecules with the surface increases in the given order of metals. The distance of closest approach of solvent molecules and other fundamental characteristics of Ga, In(Ga), Tl(Ga)/MeOH interfaces have been obtained by Emets etal.m... 

Chemistry (Malinowski and Howery 1980), Chemometrics (Sharaf et al. 1986), Pattern Recognition in Chemistry (Varmuza 1980), and Pattern Recognition Approach to Data Interpretation (Wolff and Parsons 1983). 

Wolff, D. D., Parsons, M. L. Pattern Recognition Approach to Data Interpretation. Plenum Press, New York, 1983. 

Graph used to calculate the point of no net flux for dopamine (DA). Using regression analysis, the extracellular concentration of DA is estimated via the difference method [the DA concentration in the perfusate minus the concentration of DA in the dialysate] plotted against the DA concentration in the perfusate. Values above the zero on the y-axis indicate diffusion to the brain, whereas values below the zero indicate diffusion from the brain. The zero point on the y-axis represents a steady state, at which no net flux of DA occurs across the dialysis membrane and represents the extracellular concentration of DA on the x-axis. Figure from Parsons, L.H., Justice, J.B., Jr. (1994). Quantitative approaches to in vivo brain microdialysis. Crit Rev Neurobiol. 8(3) 189-220... 

Parsons LH, Justice JB Jr. 1994. Quantitative approaches to in vivo brain microdialysis. Grit Rev Neurobiol 8(3) 189-220. 

Read SJ, Parsons AA, Harrison DG, Phhpott K, Kabnick KS, et al. 2001. Stroke genomics approaches to identify, validate and understand ischemic stroke gene expression. J Gereb Blood Flow Metab 21 755. 

A complete theory of electrocatalysis leading to volcano curves has been developed only for the process of hydrogen evolution and can be found in a seminal paper by Parsons in 1958 [26]. The approach has shown that a volcano curve results irrespective of the nature of the rate-determining step, although the slope of the branches of the volcano may depend on the details of the reaction mechanism. 

Wajsman Z, Marino R, Parsons J, Obion D, McCarley D. Bladder-sparing approach in the treatment of invasive bladder cancer. Sent Urology 1990 3 210-215. 

R. Parsons and J. O M. Bockris, Trans. Faraday Soc. 47 914 (1951). Gurney-Butler approach applied quantitatively to proton discharge (numerical). 

Goodall, K. Parsons, A. F. A diastereoselective radical cydization approach to pyrogluta-mates. Tetrahedron Lett. 1997, 38, 491-494. Nachman, R. J. Olsen, J. D. Ranunculin a toxic constituent of the poisonous range plant bur buttercup (ceratocephalus testiculatus). 

A critical examination of the volta potential method has been made by Parsons (40) and by de Bethune (41) and some of the problems of this approach have been summarized by Halliwell and Nyburg (39). Randles (42) has obtained a value for AG° abs. hyd. for H+(g) by a procedure in this category and this combined with entropy estimates yields the value for Wn+ accepted by Rosseinsky (38) in his review, namely —269.7 kcal mole-1. 

It has been proposed that the phenomenon of DWI lesion reversal means that patients without perfusion-diffusion mismatch may still benefit from thrombolytic therapy (Kidwell et al. 2000). However, others consider more research is needed before adopting such an approach into clinical practice (Schellinger et al. 2003). We have not found that non-mismatch patients benefited from thrombolysis compared to historical controls (Parsons et al. 2002a). The ongoing Australasian Echoplanar Imaging Thrombolysis Evaluation Trial (EPITHET) has been designed, in part, to answer the question of whether non-mismatch patients benefit from thrombolysis (Parsons et al. 2002a). 

The adsorption properties of oxides in electrolyte solutions have been studied in less detail than those of metals. The explanation of these phenomena is based on the model of binding sites which assumes that ions are bound to the hydrated centers which are characterized by acidic- or basic-type dissociation [64,66,71], and also on the electrostatic approach based on the Grahame-Parsons theory [522]. 

In this simplest approach, following the concept of Delahay [3.305, 3.306] and Parsons [3.307], all adsorption sites of S are considered to be energetically equal. It is further assumed that localized adsorption of and desorption of Me Jg takes place... 

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