Journal ArticleDOI
Measurement of forces between two mica surfaces in aqueous electrolyte solutions in the range 0–100 nm
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The main results and conclusions of experimental measurements of the forces between molecularly smooth mica surfaces in aqueous electrolyte solutions are as follows: as mentioned in this paper, and they are based on the following assumptions:Abstract:
The main results and conclusions of experimental measurements of the forces between molecularly smooth mica surfaces in aqueous electrolyte solutions are as follows:read more
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Soft Matter in a Tight Spot: Nanorheology of Confined Liquids and Block Copolymers
TL;DR: The linear frequency-dependent shear rheology and force-distance profiles of molecularly-thin fluids of very different structure were contrasted as mentioned in this paper, and the results indicated a prolongation of the longest relaxation time (τ1) with increasing compression.
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Dynamic effects on force measurements. I. Viscous drag on the atomic force microscope cantilever
TL;DR: In this article, theoretical calculations and experimental measurements are used to show that in such a dynamic regime the AFM cantilever can be significantly deflected due to viscous drag force, and the conditions when this effect can be minimized or even suppressed are specified.
Journal ArticleDOI
PEG-covered lipid surfaces: bilayers and monolayers.
David Needham,Dennis H. Kim +1 more
TL;DR: This review paper surveys the ways in which various micropipet techniques have been used to study the mechanochemical and interactive features of lipid bilayer vesicles and monolayer-coated gas bubbles.
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Normal and frictional forces between surfaces bearing polyelectrolyte brushes.
TL;DR: The extremely low frictional forces between the charged brushes is attributed to the exceptional resistance to mutual interpenetration displayed by the compressed, counterion-swollen brushes, together with the fluidity of the hydration layers surrounding the charged, rubbing polymer segments.
Journal ArticleDOI
Friction and normal interaction forces between irreversibly attached weakly charged polymer brushes.
Benoît Liberelle,Suzanne Giasson +1 more
TL;DR: The reversible characteristics of the normal force profiles and friction measurements confirmed the strong attachment of the PAA brushes to the mica substrate and suggested that the increase in friction is associated with an increase in mutual interpenetration upon compression as observed with neutral polymers.