Forces Between Molecules

How does helical structure effect correlation forces between DNA molecules?

The Poisson-Boltzmann approximation of the electrostatic interaction between two macro-ions, immersed in salt solution, assumes that the interactions between ions are very weak. For helical molecules, by using such considerations, one may derive the Kornyshev-Leikin theory of interaction [1] to describe the long-range behaviour of the forces between them. However, there may be certain cases whe...

Forces from periodic charging of adsorbed molecules

Forces between Protein Molecules in Solution Arising from Fluctuations in Proton Charge and Configuration.

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Existence of hydration forces in the interaction between apoferritin molecules adsorbed on silica surfaces.

The atomic force microscope, together with the colloid probe technique, has become a very useful instrument to measure interaction forces between two surfaces. Its potential has been exploited in this work to study the interaction between protein (apoferritin) layers adsorbed on silica surfaces and to analyze the effect of the medium conditions (pH, salt concentration, salt type) on such intera...

Effective Forces between Colloidal Particles

Colloidal suspensions have proven to be excellent model systems for the study of condensed matter and its phase behavior [1]. Many of the properties of colloidal suspensions can be investigated with a systematic variation of the characteristics of the systems and, in addition, the energy, length and time scales associated with them allow for experimental probing of otherwise inaccessible regime...