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Interaction between particles suspended in solutions of macromolecules
Abstract
An attractive force appears between particles suspended in solutions of macromolecules when there is neither direct interaction between two particles nor energetic interaction between particles and solute macromolecules. The magnitude of this force is of the order of the osmotic pressure of the solution of macromolecules and the range is of the order of the diameter of macromolecules. This force is calculated as a function of concentration, shape, and charge of macromolecules, and it is shown that it becomes stronger in solutions of chain macromolecules or of macromolecules of dissymmetrical shape than in solutions of rigid spherical macromolecules at the same net concentration. If macromolecules have charge, the force can be greatly intensified. In every case numerical estimation is made, and it is found that actually this kind of force can have a remarkable influence on the state of suspended particles. Numerical examples of the critical concentration of particles at their macroscopic aggregation are given. Finally a short description is added on the effect of energetic interaction between particles and macromolecules.
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Metadata
- Authors
- Asakura, S., & Oosawa, F.
- Venue
- Journal of Polymer Science
- Publisher
- Wiley
- Published
- 1958-12
- Volume
- 33
- Issue
- 126
- Pages
- 183-192
- ISSN
- 0022-3832 (ISSN-L)
- 1542-6238
- OpenAlex
- W2123419409
- Cited by
- 2,015
- References
- 0
- FWCI
- 0.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Interaction between particles suspended in solutions of macromolecules. https://app.cochat.ai/papers/10.1002/pol.1958.1203312618
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- Asakura, S., & Oosawa, F. (1958). Interaction between particles suspended in solutions of macromolecules. Journal of Polymer Science. https://doi.org/10.1002/pol.1958.1203312618
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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