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

Rolling Resistance01:21

Rolling Resistance

When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
Precipitate Formation and Particle Size Control01:16

Precipitate Formation and Particle Size Control

In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
The obtained precipitate should be either a pure substance of known composition or easily converted to one by a simple process, such as ignition or drying. In addition, the precipitate should be insoluble and easily filterable. In general, filterability...
Precipitation Reactions03:10

Precipitation Reactions

In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs when oppositely charged ions in solution overcome their attraction for water and bind to each other, forming a precipitate that separates out from the solution. Since such reactions involve the exchange of ions between ionic compounds in aqueous solution, they are also referred to as double displacement, double replacement, exchange reactions, or...
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
Turbine-Governor Control01:17

Turbine-Governor Control

Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...

You might also read

Related Articles

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

Sort by
Same author

A digital microfluidic platform for cell-based non-invasive testing.

iScience·2026
Same author

DROP-LCMS for wastewater surveillance of viral disease.

Lab on a chip·2026
Same author

A combined digital microfluidic test for assessing infection and immunity status for viral disease in saliva.

Lab on a chip·2025
Same author

A compartmentalization-free microfluidic digital assay for detecting picogram levels of protein analytes.

Lab on a chip·2025
Same author

A digital microfluidic approach to increasing sample volume and reducing bead numbers in single molecule array assays.

Lab on a chip·2025
Same author

Crossing the Dimensional Divide with Optoelectronic Tweezers: Multicomponent Light-Driven Micromachines with Motion Transfer in Three Dimensions.

Advanced materials (Deerfield Beach, Fla.)·2025
Same journal

Tunable self-assembling cellular microarray for single-neutrophil vital and suicidal extracellular traps.

Lab on a chip·2026
Same journal

Precise programmable tumor cell subpopulation sorting <i>via</i> an electromagnetic microfluidic platform.

Lab on a chip·2026
Same journal

Bridging dimensions: combining one- and two-photon 3D printing for microfluidic device fabrication.

Lab on a chip·2026
Same journal

Microfluidic rare cell analysis beyond counting: workflow design from enrichment to multi-omics.

Lab on a chip·2026
Same journal

A sperm racetrack to separate sperm by swim speed.

Lab on a chip·2026
Same journal

Controlled encapsulation and droplet size prediction in two-step microfluidic double emulsions.

Lab on a chip·2026
See all related articles

Related Experiment Video

Updated: Jul 5, 2026

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform
10:01

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform

Published on: September 27, 2016

All-terrain droplet actuation.

Mohamed Abdelgawad1, Sergio L S Freire, Hao Yang

  • 1Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario M5S 3G8, Canada.

Lab on a Chip
|April 25, 2008
PubMed
Summary
This summary is machine-generated.

A new all-terrain droplet actuation (ATDA) method enables fluid handling on flexible devices in any orientation. This breakthrough allows for versatile biochemical and biomedical applications, advancing laboratory miniaturization.

More Related Videos

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education
05:46

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

Published on: April 26, 2021

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics
07:57

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics

Published on: November 10, 2014

Related Experiment Videos

Last Updated: Jul 5, 2026

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform
10:01

The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform

Published on: September 27, 2016

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education
05:46

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

Published on: April 26, 2021

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics
07:57

Taking Advantage of Reduced Droplet-surface Interaction to Optimize Transport of Bioanalytes in Digital Microfluidics

Published on: November 10, 2014

Area of Science:

  • Biomedical Engineering
  • Microfluidics
  • Chemical Engineering

Background:

  • Digital microfluidics is widely used in biochemical and biomedical fields.
  • Current digital microfluidic systems are limited to planar droplet manipulation.

Purpose of the Study:

  • To introduce a novel method for fluid handling on flexible devices.
  • To overcome the limitations of planar droplet manipulation in microfluidics.

Main Methods:

  • Development of all-terrain droplet actuation (ATDA) for flexible devices.
  • Demonstration of droplet manipulation across diverse geometries (inclined, vertical, twisted, upside-down).

Main Results:

  • ATDA successfully manipulates droplets on non-planar, flexible architectures.
  • Integration of temperature- and oxygen-sensitive colorimetric sensors.
  • Automated selective DNA enrichment from complex mixtures.

Conclusions:

  • ATDA offers unprecedented flexibility in microfluidic device design and application.
  • This method facilitates the integration of multiple physicochemical environments on single devices.
  • ATDA is poised to be a valuable tool for laboratory miniaturization and advanced diagnostics.