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

Passive Diffusion: Overview and Kinetics01:17

Passive Diffusion: Overview and Kinetics

881
Passive diffusion is a critical process that allows small lipophilic drugs to cross the cell membrane along a concentration gradient. This mechanism's efficiency depends on four primary factors: the membrane's surface area, the drug's lipid-water partition coefficient, the concentration gradient, and the membrane's thickness.
When administered orally, drugs establish a substantial concentration gradient between the gastrointestinal (GI) lumen and the bloodstream, expediting...
881
Law of Segregation01:49

Law of Segregation

68.4K
When crossing pea plants, Mendel noticed that one of the parental traits would sometimes disappear in the first generation of offspring, called the F1 generation, and could reappear in the next generation (F2). He concluded that one of the traits must be dominant over the other, thereby causing masking of one trait in the F1 generation. When he crossed the F1 plants, he found that 75% of the offspring in the F2 generation had the dominant phenotype, while 25% had the recessive phenotype.
68.4K
Dynamic Equilibrium02:20

Dynamic Equilibrium

56.7K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
56.7K
Ion Exchange01:17

Ion Exchange

699
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
699
Analyte Adsorption and Distribution01:09

Analyte Adsorption and Distribution

1.2K
In certain chromatographic separations, solutes transfer between the mobile phase and the stationary phase via sorption, which typically refers to the process of adsorption. For many chromatographic systems, the sorption process often depends on the polarity of the compounds—an expression of the overall dipole moment within the molecule. During the separation process, there is competition between the solute and solvent for adsorption to the stationary phase. Highly polar compounds and...
1.2K
Segregation in Fresh Concrete01:16

Segregation in Fresh Concrete

272
Segregation in fresh concrete is a phenomenon where the components of the concrete mix separate, leading to uneven distribution and compromised structural integrity. This separation typically occurs when concrete is subjected to excessive horizontal movement within forms, or when it is dropped from considerable heights or forced through narrow, winding paths. As a result, heavier coarse aggregate particles settle at the bottom, while lighter, finer materials such as cement and water rise to the...
272

You might also read

Related Articles

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

Sort by
Same author

Mixing of a binary passive particle system using smart active particles.

Scientific reports·2025
Same author

Motion of a microswimmer in a lattice of obstacles: Effect of thermal fluctuations.

Physical review. E·2025
Same author

Behavioural response of prey to repeated attacks by non-coordinating predators.

Scientific reports·2025
Same author

Sustainable Humid Air Condensation: Insights into Nanoengineered Surfaces.

ACS applied materials & interfaces·2025
Same author

Surface Treatments to Enhance the Functionality of PPEs.

Transactions of the Indian National Academy of Engineering : an international journal of engineering and technology·2024
Same author

Fundamentals and Applications of Surface Wetting.

Langmuir : the ACS journal of surfaces and colloids·2024
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
See all related articles

Related Experiment Video

Updated: Oct 13, 2025

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

11.2K

Alignment-mediated segregation in an active-passive mixture.

Naveen Kumar Agrawal1, Pallab Sinha Mahapatra1

  • 1Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600036, India.

Physical Review. E
|November 16, 2021
PubMed
Summary
This summary is machine-generated.

Active and passive particles segregate into distinct core-shell structures due to alignment interactions. Higher particle coordination promotes this segregation, overcoming negative effects of packing fraction and size differences.

More Related Videos

Label-free Isolation and Enrichment of Cells Through Contactless Dielectrophoresis
10:38

Label-free Isolation and Enrichment of Cells Through Contactless Dielectrophoresis

Published on: September 3, 2013

16.2K
The Diffusion of Passive Tracers in Laminar Shear Flow
08:01

The Diffusion of Passive Tracers in Laminar Shear Flow

Published on: May 1, 2018

8.8K

Related Experiment Videos

Last Updated: Oct 13, 2025

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
07:40

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

11.2K
Label-free Isolation and Enrichment of Cells Through Contactless Dielectrophoresis
10:38

Label-free Isolation and Enrichment of Cells Through Contactless Dielectrophoresis

Published on: September 3, 2013

16.2K
The Diffusion of Passive Tracers in Laminar Shear Flow
08:01

The Diffusion of Passive Tracers in Laminar Shear Flow

Published on: May 1, 2018

8.8K

Area of Science:

  • Soft Matter Physics
  • Statistical Mechanics
  • Complex Systems

Background:

  • Understanding particle interactions is key in soft matter.
  • Active particles exhibit self-propulsion, leading to unique collective behaviors.
  • Confined systems introduce spatial constraints influencing particle dynamics.

Purpose of the Study:

  • Investigate segregation of athermal active and passive particles.
  • Analyze the role of local alignment interactions in segregation.
  • Determine factors affecting the formation of active core-passive shell structures.

Main Methods:

  • Computational modeling of particle systems.
  • Simulation of athermal particles with alignment and self-propulsion.
  • Analysis of phase transitions and aggregation behavior.

Main Results:

  • Alignment interactions mediate segregation between active and passive particles.
  • Increased particle coordination leads to ordered mills and isotropic clustering.
  • Segregation forms active cores and passive shells, influenced by packing fraction and size dispersion.
  • Higher coordination overcomes adverse effects of polydispersity.

Conclusions:

  • Local alignment interactions are crucial for active-passive particle segregation in confined spaces.
  • Particle coordination level dictates the transition from disordered to ordered phases and cluster formation.
  • Monodispersed systems are more effective for segregation than bidispersed systems.