Sogami and Ise

You cannot have faith in experimental science and uphold the view that experiment is the sole judge of scientific truth without rejecting the DLVO theory on the basis of the experiments described in this chapter. However, it is much easier to say that an old theory is wrong than it is to say what the right theory is. Fortunately, at the time of our discoveries, Sogami and Ise had pointed the way to a correct understanding of these phenomena [26, 27],... 

Sogami and Ise [1] derived the same result by using the alternative definition of G, as the sum of the chemical potentials. I also adopted this approach as an independent check of the calculation and obtained [9]... 

The fact that the repulsive barrier does not evolve as we increase the volume fraction beyond a certain point seemingly indicates that at this point the addition of counterions does not lead to a decrease in the screening length. This evokes that the added counterions are located in space where there are no particles. This interpretation is somewhat reminiscent of the one implied by Sogami and Ise [41], who report the existence of an effective attraction between two macroions, because the counterions can be attracted simultaneously by neighboring particles. Such counterion-mediated attraction is only possible if the space between two particles is somewhat depleted of counterions. Our experimentally determined potentials are in fact very similar to the one reported by Sogami and Ise, such that we could conceive that both the effective attraction and the cessation of the evolution of the repulsive barrier are caused by the fact that counterions migrate to the space with a low particle concentration. This interpretation is obviously very speculative and our data do not exclude the possibility that the appearance of effective attractions is due to many body effects... 

Ise and Sogami went to great pains in their recent book [10] to explain the equation of the state of the simple ion system in the form... 

Ise, N. and Sogami, I.S., Structure Formation in Solution Ionic Polymers and Colloidal Particles, Springer Verlag, Berlin-Heidelberg-New York, 2005. 

Nikolov, A.D. et al.. Ordered structures in thinning micellar foam and latex films, in Ordering and Organisation in Ionic Solutions, Ise, N. and Sogami, I., Eds., World Scientific, Singapore, 1988. 

AD Nikolov, DT Wasan, PA Kralchevsky, IB Ivanov. In N Ise, I Sogami, eds. Ordering and Organisation in Ionic Solutions. Singapore World Scientific, 1988, p 302. 

The driving force for the formation of the ordered phase is still unclear and has been a matter of much controversy. It has been claimed by Ise and Sogami [lOS, 106] that the densely ordered phase originates from attractive interactions between polyions, a point of view that has been heavily criticized by others [107]. For a detailed discussion of this controversy see [8]. 

Matsumoto M, Kataoka Y (1 8) In Ise N, Sogami 1 (eds) Ordering and organization in ionic solutions. World Scientifir Singapore, p 574... 

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