Large Deformations during the Coalescence of Fluid Interfaces

Nianhuan Chen, Tonya Kuhl, Rafael Tadmor, Qi Lin, Jacob Israelachvili

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

The measurement of surface forces and shape changes during the coalescence of fluid interfaces was discussed. A surface forces apparatus (SFA Mark III) was used to measure the forces between and the changing shapes of two surfaces. It was observed that large normal and lateral deformations were consistent with a simple theoretical analysis of the long-range effects of short-range attractive van der Walls forces. The results suggested that two fluidlike structures such as liquid droplets and soft biological cells can sense each other at much larger separation.

Original languageEnglish
Article number024501
Pages (from-to)245011-245014
Number of pages4
JournalPhysical Review Letters
Volume92
Issue number2
StatePublished - 16 Jan 2004
Externally publishedYes

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