Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Energetics of Solution Formation02:35

Energetics of Solution Formation

7.7K
The formation of a solution is an example of a spontaneous process, which is a process that occurs under specified conditions without energy from some external source.
When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Formation of the solution requires the solute–solute and solvent–solvent...
7.7K
The Colloidal State01:29

The Colloidal State

86
The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called...
86
Intermolecular Forces in Solutions02:28

Intermolecular Forces in Solutions

40.7K
The formation of a solution is an example of a spontaneous process, a process that occurs under specified conditions without energy from some external source.
When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Such a solution is called an ideal solution. A mixture of ideal gases (or gases such as helium and argon,...
40.7K
Chemical and Solubility Equilibria02:21

Chemical and Solubility Equilibria

5.1K
The free energy change associated with dissolving a solute in a liter of solvent is called the free energy of a solution, ΔGsolution. The overall ΔGsolution is expressed as the balance of ΔGinteraction against the always-favorable free-energy of mixing, ΔGmixing. Solution formation is favorable if  ΔGsolution is less than zero, whereas it is unfavorable if ΔGsolution is greater than zero. In short, for a solution to form and complete dissolution to take place,...
5.1K
Entropy and Solvation02:05

Entropy and Solvation

8.7K
The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ...
8.7K
Colloidal precipitates01:09

Colloidal precipitates

6.8K
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...
6.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Non-Hodgkin's Lymphoma Mimicking Orbital Cellulitis: A Diagnostic Dilemma.

Prague medical report·2026
Same author

A modified Delphi consensus on tenosynovial giant cell tumour and giant cell tumour of bone : a report from the Birmingham Orthopaedic Oncology Meeting (BOOM).

The bone & joint journal·2026
Same author

Complications of PI to PIII hemipelvic resections for intermediate and malignant tumours : a systematic review and meta-analysis.

Bone & joint open·2026
Same author

A modified Delphi consensus on periprosthetic infection in orthopaedic oncology : a report from the Birmingham Orthopaedic Oncology Meeting (BOOM).

The bone & joint journal·2025
Same author

What is debridement, antibiotics, and implant retention in orthopaedic oncology? : a global cross-sectional survey of surgeons' practices and opinions.

Bone & joint open·2025
Same author

Hydrophobicity-Governed Protein Adsorption on Poly(ω-methoxyalkyl acrylate) Surfaces: A Coarse-Grained Molecular Dynamics Study.

Journal of chemical theory and computation·2025

Related Experiment Video

Updated: Mar 18, 2026

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
08:39

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

13.3K

Effective interactions between nanoparticles: Creating temperature-independent solvation environments for

Hari O S Yadav1, Gourav Shrivastav1, Manish Agarwal1

  • 1Department of Chemistry, Indian Institute of Technology-Delhi, New Delhi 110016, India.

The Journal of Chemical Physics
|July 3, 2016
PubMed
Summary

This study shows that nanoparticle interactions in good solvents are temperature-independent, allowing temperature control during self-assembly. However, poor solvents lead to temperature-dependent interactions and disordered structures.

More Related Videos

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

19.4K
A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
08:09

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

11.5K

Related Experiment Videos

Last Updated: Mar 18, 2026

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
08:39

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

13.3K
Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

19.4K
A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
08:09

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

11.5K

Area of Science:

  • Nanoparticle interactions
  • Computational chemistry
  • Materials science

Background:

  • Predicting solvent-mediated interactions between nanoparticles is crucial for designing self-assembled materials.
  • Homologous chain fluids offer potential for creating temperature-independent solvent environments.

Purpose of the Study:

  • To investigate the predictability of solvent-mediated nanoparticle interactions using structural and thermodynamic properties.
  • To test the strategy of using homologous chain fluids for temperature-independent solvation environments.
  • To analyze the influence of solvent quality on nanoparticle interactions and self-assembly.

Main Methods:

  • Molecular dynamics simulations of gold nanoparticles (Au140(SC10H21)62) in n-alkane solvents (hexane, octane, decane, dodecane).
  • Utilized the TraPPE-UA potential for alkanes and alkylthiols, and a Morse potential for gold-thiolate interactions.
  • Analyzed solvation environments and effective interactions under varying solvent conditions (good vs. poor) and temperatures.

Main Results:

  • In good solvent conditions (n-alkanes), nanoparticle solvation environments and interactions are approximately constant over a specific temperature range (233-361 K).
  • Quantitative variations (10%-20%) were observed in properties like solute molar volume and entropy of solvation.
  • In poor solvent (vacuum), nanoparticle interactions become temperature-dependent, with attractive forces increasing significantly as temperature decreases.

Conclusions:

  • Temperature can be a useful structure-directing factor in nanoparticle self-assembly under good solvent conditions.
  • Decreasing solvent quality leads to increased temperature dependence and potential for disordered self-assembled structures.
  • Structural estimators can aid in analyzing ligand fluctuations, solvent quality, and designing solvation environments for self-assembly.