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Related Concept Videos

Colloids03:22

Colloids

17.8K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
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Colloidal precipitates01:09

Colloidal precipitates

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The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
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Colloids and Suspensions01:17

Colloids and Suspensions

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Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
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Protein Complex Assembly02:41

Protein Complex Assembly

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
Many viruses self-assemble into a fully functional unit using the infected host cell to...
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Coagulation01:06

Coagulation

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Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
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Updated: Aug 28, 2025

Synthesis and Characterization of Supramolecular Colloids
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Synthesis and Characterization of Supramolecular Colloids

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Self-assembly in binary mixtures of spherical colloids.

Samuel Lopez-Godoy1, Pedro Díaz-Leyva2, Anna Kozina1

  • 1Instituto de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico.

Advances in Colloid and Interface Science
|September 13, 2022
PubMed
Summary
This summary is machine-generated.

This review explores binary colloidal mixtures, moving beyond simple systems to understand complex fluid behavior. Binary mixtures are key to advancing applications of colloidal suspensions in science and technology.

Keywords:
Binary mixturePACS numbers:Phase behaviorSpherical colloids

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Area of Science:

  • Colloid and Surface Science
  • Soft Matter Physics
  • Materials Science

Background:

  • Monodisperse colloidal suspensions mimic atomic systems, aiding fundamental research.
  • Technological applications require understanding complex suspensions, like binary mixtures.
  • Microstructure, dynamics, and self-organization are critical properties for effective applications.

Purpose of the Study:

  • To review current knowledge on the phase behavior of binary mixtures of spherical colloids.
  • To compare experimental findings with theoretical predictions for binary suspensions.
  • To highlight open questions in the field of binary colloidal mixtures.

Main Methods:

  • Literature review of experimental and theoretical studies on binary colloidal suspensions.
  • Analysis of phase behavior across various inter-particle interactions.
  • Comparison of 2D and 3D experimental results with theoretical models.

Main Results:

  • Summarizes phase behavior for various interactions: hard spheres, electrostatic, depletion, and DNA-mediated attraction.
  • Compares experimental data with theoretical predictions for binary suspensions.
  • Identifies areas needing further investigation in binary colloidal systems.

Conclusions:

  • Binary colloidal mixtures are essential for understanding complex suspension behavior.
  • Further research is needed to bridge experimental observations and theoretical predictions.
  • Addressing open questions will advance the application of colloidal systems.