Dispersion Forces
Dispersion Forces - Related Videos
09:56
Adapting Taylor Dispersion to Measure the Dispersion Coefficient of Electrolyte Solutions via an Accessible Microfluidic Setup
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2025
Here, we present a protocol to adapt the Taylor dispersion experiment to the microscale using microchannels fabricated in-house with a desktop craft cutter. The experimental platform can be used to compute the diffusion coefficient of single-species passive tracers and to visualize multispecies ion interaction and separation.
03:13
Intermolecular Forces
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2020
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
00:54
Distribution and Dispersion
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2026
Ecology is the study of how organisms interact with their environment and with one another. An important aspect of ecology is understanding where species are found and how individuals are distributed within those areas. The geographic range of a species refers to the total area where its members are located, while dispersion describes the pattern of spacing of individuals within that range.Geographic Range and Dispersion PatternsWithin a species’ geographic range, individuals may be distributed...
02:49
Detection of Biofilm Disassembly Through a Dispersion Assay
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2025
The video showcases a biofilm dispersion assay using a multi-well plate. Buffer and glucose treatment disassemble the biofilm, releasing bacteria, while bile salts induce stress, retaining bacteria in the protective extracellular polymeric substance. Higher dispersion with buffer and glucose confirms successful biofilm disassembly, estimated by colony forming units measurement.
09:35
Dispersion of Nanomaterials in Aqueous Media: Towards Protocol Optimization
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Cited by 71 •
2017
Here, we present a step-wise protocol for the dispersion of nanomaterials in aqueous media with real-time characterization to identify the optimal sonication conditions, intensity, and duration for improved stability and uniformity of nanoparticle dispersions without impacting the sample integrity.
FAQs
Their influence decreases rapidly as interacting atoms or molecules move farther apart. Consequently, small changes in molecular geometry can alter how effectively many nearby contacts act together. This distance dependence helps explain why the precise arrangement of atoms matters when biological structures maintain a particular fold, assemble into a membrane, or accommodate a ligand.
A single contact contributes little, but numerous contacts can produce a substantial collective effect. Across a protein, nucleic acid, membrane assembly, or bound ligand, these interactions reinforce favorable molecular arrangements rather than acting as one dominant attraction. Their combined contribution therefore helps stabilize structures whose overall behavior cannot be explained by any isolated contact.
Electron motion creates momentary unevenness in electron density, and that fluctuation can influence a neighboring atom or molecule. Because the nearby partner responds to the first fluctuation, the attractions become correlated across the contact. This mechanism connects microscopic electron behavior with larger biological outcomes, including stable molecular shapes and selective molecular associations.
Within folded proteins and nucleic acids, many closely positioned atoms create opportunities for weak contacts to act collectively. The resulting contribution supports the stability of the assembled structure, even though no individual interaction is especially strong. In biological analysis, considering these forces helps relate atomic packing and molecular arrangement to the persistence of larger macromolecular architectures.
Biomolecular modeling can account for the cumulative attractions produced by closely positioned atoms and molecules. Including this contribution helps models represent how molecular structures are stabilized and how their shapes may support interactions with other partners. This is relevant when examining protein folds, nucleic acid assemblies, membrane organization, or the structural environment around a bound ligand.
A ligand contacts a biological target through many atomic relationships, and short-range attractions can contribute to the overall stability of that association. Their collective effect helps explain why molecular fit and positioning influence binding behavior. In drug design, recognizing this contribution supports evaluation of how candidate molecules interact with the structural environment of a target.