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

Law of Segregation01:49

Law of Segregation

77.6K
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.
77.6K
Segregation in Fresh Concrete01:16

Segregation in Fresh Concrete

556
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...
556
Formation of Species01:31

Formation of Species

44.7K
Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
44.7K
Fixed Action Patterns01:06

Fixed Action Patterns

17.5K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.5K
Dimensional Analysis03:40

Dimensional Analysis

59.8K
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
The unit...
59.8K
Solution Formation02:16

Solution Formation

36.9K
There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride.
This selective...
36.9K

You might also read

Related Articles

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

Sort by
Same author

Progression without progress.

Science (New York, N.Y.)·2026
Same author

Rayleigh-Taylor instability in size-bidisperse isodense granular flow down an incline.

Physical review. E·2026
Same author

Insecticide resistance-associated mutations in chinese Spodoptera exigua populations: prevalence characteristics and AS-PCR rapid detection validation.

Pesticide biochemistry and physiology·2026
Same author

Strategies to Enhance CAR-T Cell Persistence in Hematologic Malignancies: From Molecular Design to Clinical Optimization.

American journal of hematology·2025
Same author

Stimuli-Responsive CuFeTe<sub>2</sub> Nanosheets for Amplified Cuproptosis/Ferroptosis in Triple-Negative Breast Cancer Therapy.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Mobile-collector capture of particles in a chaotic flow.

PloS one·2025
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: Jan 21, 2026

Quantifying Three-Dimensional Cell Migration Within and Into Granular Hydrogel Biomaterials
08:53

Quantifying Three-Dimensional Cell Migration Within and Into Granular Hydrogel Biomaterials

Published on: March 7, 2025

1.2K

Pattern formation in a fully three-dimensional segregating granular flow.

Mengqi Yu1, Paul B Umbanhowar2, Julio M Ottino1,2,3

  • 1Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, USA.

Physical Review. E
|July 24, 2019
PubMed
Summary
This summary is machine-generated.

Large particles in 3D rotating flows preferentially settle in nonmixing regions, forming distinct segregation patterns. This occurs despite chaotic motion and particle collisions, revealing key insights into pattern robustness.

More Related Videos

Three-dimensional Patterning of Engineered Biofilms with a Do-it-yourself Bioprinter
08:40

Three-dimensional Patterning of Engineered Biofilms with a Do-it-yourself Bioprinter

Published on: May 16, 2019

10.2K
Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement
08:36

Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement

Published on: September 6, 2011

13.0K

Related Experiment Videos

Last Updated: Jan 21, 2026

Quantifying Three-Dimensional Cell Migration Within and Into Granular Hydrogel Biomaterials
08:53

Quantifying Three-Dimensional Cell Migration Within and Into Granular Hydrogel Biomaterials

Published on: March 7, 2025

1.2K
Three-dimensional Patterning of Engineered Biofilms with a Do-it-yourself Bioprinter
08:40

Three-dimensional Patterning of Engineered Biofilms with a Do-it-yourself Bioprinter

Published on: May 16, 2019

10.2K
Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement
08:36

Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement

Published on: September 6, 2011

13.0K

Area of Science:

  • Fluid dynamics
  • Particle physics
  • Statistical mechanics

Background:

  • Understanding particle segregation in complex flows is crucial for industrial processes and geophysical phenomena.
  • Previous studies have explored segregation in simpler flow geometries, but 3D chaotic flows present unique challenges.

Purpose of the Study:

  • To investigate the segregation patterns of size-bidisperse particle mixtures in a 3D rotating tumbler flow.
  • To elucidate the interplay between particle size, flow dynamics, and pattern formation.
  • To identify the mechanisms governing the robustness of observed segregation patterns.

Main Methods:

  • Experimental study of particle mixtures in a spherical tumbler rotated about two perpendicular axes.
  • Development and application of a continuum model to simulate the 3D flow and particle behavior.
  • Analysis of particle size, volume ratios, chaotic regions, and nonmixing islands.

Main Results:

  • Distinct segregation patterns emerge due to the interaction of size segregation with chaotic regions and nonmixing islands.
  • Large particles are preferentially deposited in nonmixing islands, overriding effects of collisional diffusion and chaotic transport.
  • The structure of unstable manifolds around nonmixing islands explains the robustness of specific segregation patterns.

Conclusions:

  • Nonmixing islands act as preferential deposition sites for larger particles in this 3D flow system.
  • Flow topology, specifically unstable manifolds, dictates the stability and predictability of segregation patterns.
  • Findings offer insights into granular material dynamics in complex, three-dimensional environments.