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

Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

1.3K
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
1.3K
Surface Tension of Fluid01:22

Surface Tension of Fluid

247
Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies...
247
Surface Tension, Capillary Action, and Viscosity02:57

Surface Tension, Capillary Action, and Viscosity

27.6K
Surface Tension
The various IMFs between identical molecules of a substance are examples of cohesive forces. The molecules within a liquid are surrounded by other molecules and are attracted equally in all directions by the cohesive forces within the liquid. However, the molecules on the surface of a liquid are attracted only by about one-half as many molecules. Because of the unbalanced molecular attractions on the surface molecules, liquids contract to form a shape that minimizes the number...
27.6K
Hydrostatic Pressure Force on a Curved Surface01:04

Hydrostatic Pressure Force on a Curved Surface

1.5K
Hydrostatic pressure on curved surfaces is a fundamental concept in fluid mechanics with broad applications in the civil engineering field. When fluid is in contact with a curved surface, as in a reservoir, dam, or storage tank, it exerts pressure that varies in magnitude and direction along the curved surface. To assess the total hydrostatic force exerted by the fluid on a curved structure, engineers typically isolate the fluid volume adjacent to the surface and analyze the forces acting on...
1.5K
Responses to Gravity and Touch02:26

Responses to Gravity and Touch

34.6K
Gravitropism: Plant Responses to Gravity
34.6K
Turbulent Flow: Problem Solving01:09

Turbulent Flow: Problem Solving

98
Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
98

You might also read

Related Articles

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

Sort by
Same author

Artificial Intelligence Smart Eyeglasses for the Detection and Description of Stationary Objects.

JAMA ophthalmology·2026
Same author

Resetting without resetting: An alternate strategy to experimentally verify optimal mean first passage time under stochastic resetting.

Physical review. E·2026
Same author

Autofluorescence signs of nevus-to-melanoma transformation.

Canadian journal of ophthalmology. Journal canadien d'ophtalmologie·2026
Same author

Extraocular Extension of Ciliochoroidal Melanoma Mimicking Conjunctival Melanoma.

Ophthalmology·2026
Same author

Dynamics of Marangoni-driven elliptical Janus particles.

Soft matter·2026
Same author

Buccal mucosal graft after posterior lamellar resection for eyelid sebaceous carcinoma.

Orbit (Amsterdam, Netherlands)·2026
Same journal

Phase-transition-driven radiative-decay engineering for high-<i>Q</i> quasi-BIC states in graphene-VO<sub>2</sub> metasurfaces.

Physical chemistry chemical physics : PCCP·2026
Same journal

From frameworks to functionality: a review of MOF-derived materials in emerging supercapacitor technologies.

Physical chemistry chemical physics : PCCP·2026
Same journal

Zn doping effects on oxygen reduction kinetics of PrBa<sub>0.5</sub>Ca<sub>0.5</sub>Fe<sub>2</sub>O<sub>5+<i>δ</i></sub> double perovskite cathode for intermediate-temperature solid oxide fuel cells.

Physical chemistry chemical physics : PCCP·2026
Same journal

Mechanisms of the CO<sub>2</sub> and H<sub>2</sub>O co-adsorption behavior of functionalized porous carbons: perspectives of the molecular clustering effect.

Physical chemistry chemical physics : PCCP·2026
Same journal

A charge-redistribution threshold governing methane dehydrogenation revealed by cerium oxide and nitride clusters.

Physical chemistry chemical physics : PCCP·2026
Same journal

Engineering Fe<sub>2</sub>WO<sub>6</sub>-based heterostructures for high-performance supercapacitors: the role of V<sub>2</sub>O<sub>5</sub> and g-C<sub>3</sub>N<sub>4</sub> integration.

Physical chemistry chemical physics : PCCP·2026
See all related articles

Related Experiment Video

Updated: Jun 11, 2025

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration
10:53

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration

Published on: October 13, 2019

7.0K

Surface tension gradient invoked path selection.

Anjuman Ara Khatun1, Aarsh Chotalia1, Kalpita Das1

  • 1Department of Physics, Indian Institute of Technology Bombay, Mumbai, Maharashtra, 400 076, India. araanjuman.khatun@gmail.com.

Physical Chemistry Chemical Physics : PCCP
|September 27, 2024
PubMed
Summary
This summary is machine-generated.

Active particles, like camphor and pentanol disks, navigate complex channels. These self-propelled particles demonstrate a preference for the shortest path to reach the sink.

More Related Videos

Evolution of Staircase Structures in Diffusive Convection
07:28

Evolution of Staircase Structures in Diffusive Convection

Published on: September 5, 2018

6.5K
Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy
13:10

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Published on: April 4, 2013

12.6K

Related Experiment Videos

Last Updated: Jun 11, 2025

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration
10:53

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration

Published on: October 13, 2019

7.0K
Evolution of Staircase Structures in Diffusive Convection
07:28

Evolution of Staircase Structures in Diffusive Convection

Published on: September 5, 2018

6.5K
Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy
13:10

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Published on: April 4, 2013

12.6K

Area of Science:

  • Physics
  • Soft Matter Physics
  • Chemical Engineering

Background:

  • Active particles exhibit self-propelled motion at interfaces driven by Marangoni forces.
  • Understanding particle navigation in confined geometries is crucial for microfluidic and soft robotics applications.

Purpose of the Study:

  • To investigate the path selection behavior of active particles in asymmetric L-shaped and Y-shaped channels.
  • To determine if active particles prefer shorter paths to a sink.

Main Methods:

  • Experimental observation of camphor and pentanol-infused disks in microchannels.
  • Utilizing L-shaped (two-path) and Y-shaped (three-path) channels with asymmetric arm lengths.
  • Numerical analysis to validate experimental findings.

Main Results:

  • Active disks consistently preferred the shortest path to the sink in both channel configurations.
  • Camphor disks selected the minimal path 80% (two-path) and 68% (three-path) of the time.
  • Pentanol disks showed higher preference rates: 88% (two-path) and 74% (three-path).

Conclusions:

  • Active particles exhibit goal-directed motion, navigating towards a sink by selecting the minimal path.
  • The observed path preference is consistent across different active particle types and channel complexities.
  • Numerical simulations support the experimental evidence of shortest path selection by active particles.