Direct Measurement of Interparticle Forces by the Optical Trapping Technique
作者： Tadao Sugimoto , Tetsuya Takahashi , Hiroyuki Itoh , Shun-ichi Sato , Atsushi Muramatsu
DOI: 10.1021/LA970541A
关键词: Aqueous solution 、 Colloidal particle 、 Polystyrene latex 、 Mean diameter 、 Chemical physics 、 Chemistry 、 Electrolyte 、 Chromatography 、 Optical tweezers 、 Colloid 、 DLVO theory
摘要: The intrinsic interactive forces between two free colloidal particles suspended in aqueous solutions have been measured as a function of the separation by applying optical trapping technique to monodispersed polystyrene latex mean diameter 2.13 μm. For this purpose, specific technology for precise measurement surface-to-surface and force strength has developed. results were excellent agreement with prediction DLVO theory variety electrolyte concentrations.
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