Direct measurement of interparticle forces by the optical trapping technique

Tadao Sugimoto; Tetsuya Takahashi; Hiroyuki Itoh; Shun Ichi Sato; Atsushi Muramatsu

doi:10.1021/la970541a

Direct measurement of interparticle forces by the optical trapping technique

Tadao Sugimoto, Tetsuya Takahashi, Hiroyuki Itoh, Shun Ichi Sato, Atsushi Muramatsu

Tohoku University

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

The intrinsic interactive forces between two free colloidal particles suspended in aqueous solutions have been measured as a function of the separation by applying the optical trapping technique to a monodispersed polystyrene latex of a mean diameter 2.13 μm. For this purpose, specific technology for the precise measurement of the surface-to-surface separation and force strength has been developed. The results were in excellent agreement with the prediction of the DLVO theory in a variety of electrolyte concentrations.

Original language	English
Pages (from-to)	5528-5530
Number of pages	3
Journal	Langmuir
Volume	13
Issue number	21
DOIs	https://doi.org/10.1021/la970541a
Publication status	Published - 1997 Oct 15

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abstract = "The intrinsic interactive forces between two free colloidal particles suspended in aqueous solutions have been measured as a function of the separation by applying the optical trapping technique to a monodispersed polystyrene latex of a mean diameter 2.13 μm. For this purpose, specific technology for the precise measurement of the surface-to-surface separation and force strength has been developed. The results were in excellent agreement with the prediction of the DLVO theory in a variety of electrolyte concentrations.",

author = "Tadao Sugimoto and Tetsuya Takahashi and Hiroyuki Itoh and Sato, {Shun Ichi} and Atsushi Muramatsu",

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AU - Sugimoto, Tadao

AU - Takahashi, Tetsuya

AU - Itoh, Hiroyuki

AU - Sato, Shun Ichi

AU - Muramatsu, Atsushi

PY - 1997/10/15

Y1 - 1997/10/15

N2 - The intrinsic interactive forces between two free colloidal particles suspended in aqueous solutions have been measured as a function of the separation by applying the optical trapping technique to a monodispersed polystyrene latex of a mean diameter 2.13 μm. For this purpose, specific technology for the precise measurement of the surface-to-surface separation and force strength has been developed. The results were in excellent agreement with the prediction of the DLVO theory in a variety of electrolyte concentrations.

AB - The intrinsic interactive forces between two free colloidal particles suspended in aqueous solutions have been measured as a function of the separation by applying the optical trapping technique to a monodispersed polystyrene latex of a mean diameter 2.13 μm. For this purpose, specific technology for the precise measurement of the surface-to-surface separation and force strength has been developed. The results were in excellent agreement with the prediction of the DLVO theory in a variety of electrolyte concentrations.

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Direct measurement of interparticle forces by the optical trapping technique

Abstract

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