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

Diffusion01:12

Diffusion

222.0K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
222.0K
Diffusion01:21

Diffusion

6.7K
Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
6.7K
Facilitated Diffusion01:16

Facilitated Diffusion

1.4K
The plasma membrane, a critical structure in cellular biology, houses an array of transporters, or carrier proteins, interspersed within its lipid bilayer. These proteins play a crucial role in solute transport through facilitated diffusion, a form of passive diffusion that uses transporters to move the molecules across the membrane.
In this process, substrates such as organic compounds and ions interact with a transporter on one side, triggering conformational changes in proteins that enable...
1.4K
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion03:48

Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion

31.4K
Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
31.4K
Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

5.7K
Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
5.7K
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

1.7K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.7K

You might also read

Related Articles

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

Sort by
Same author

Impact of 18-FDG PET-CT on the preoperative staging and management of Incidental Gall Bladder Cancer (IGBC)- A prospective study from a tertiary care centre in North India.

European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology·2026
Same author

A Prospective, Observational Study Evaluating the Impact and Safety of an Emergency Physician Collaboration With a Nurse Triage Phone Line.

Journal of the American College of Emergency Physicians open·2026
Same author

Comprehensive analysis of cotton AMT genes and functional analysis of the GhAMT1.4a in nitrogen metabolism.

Functional & integrative genomics·2026
Same author

Emulated trial of artificial intelligence use and subsequent depressive outcomes in a survey of US adults.

BMJ mental health·2026
Same author

Tear Dynamics During Fenestrated Scleral Lens Wear: A Pilot Study.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·2026
Same author

Optimisation before Crohn's surgery using Exclusive enteral Nutrition (OCEaN): A randomised controlled trial to determine whether preoperative exclusive enteral nutrition is more clinically and cost effective compared with standard care in patients undergoing surgery for Crohn's disease.

Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland·2026
Same journal

RNA-ligand complexes and the attenuation of neutral confinement in the evolution of RNA secondary structures.

Journal of the Royal Society, Interface·2026
Same journal

Individual detachment-reintegration events in homing pigeon flocks and the dominance of directional adjustment in their kinematic features.

Journal of the Royal Society, Interface·2026
Same journal

Thermal stress disrupts symbiotic fluid dynamics in bobtail squid.

Journal of the Royal Society, Interface·2026
Same journal

Distinct geometrical landscapes distinguish between modes of tristability in gene regulatory networks.

Journal of the Royal Society, Interface·2026
Same journal

Slow modulation of the contraction patterns in Physarum polycephalum.

Journal of the Royal Society, Interface·2026
Same journal

Moo-ving mountains: grazing agents drive terracette formation on steep hillslopes.

Journal of the Royal Society, Interface·2026
See all related articles

Related Experiment Video

Updated: Feb 14, 2026

Operant Sensation Seeking in the Mouse
08:39

Operant Sensation Seeking in the Mouse

Published on: November 10, 2010

13.5K

Product diffusion through on-demand information-seeking behaviour.

Christoph Riedl1,2, Johannes Bjelland3, Geoffrey Canright3

  • 1Northeastern University, Boston, MA, USA c.riedl@northeastern.edu.

Journal of the Royal Society, Interface
|February 23, 2018
PubMed
Summary
This summary is machine-generated.

Product adoption curves are typically S-shaped. However, this study reveals linear adoption curves driven by active information seeking through internet searches, challenging traditional diffusion models.

Keywords:
complex systemscomputational social sciencediffusionsocial networks

More Related Videos

A Procedure to Study the Effect of Prolonged Food Restriction on Heroin Seeking in Abstinent Rats
10:35

A Procedure to Study the Effect of Prolonged Food Restriction on Heroin Seeking in Abstinent Rats

Published on: November 11, 2013

11.7K
Using Optogenetics to Reverse Neuroplasticity and Inhibit Cocaine Seeking in Rats
09:43

Using Optogenetics to Reverse Neuroplasticity and Inhibit Cocaine Seeking in Rats

Published on: October 5, 2021

3.0K

Related Experiment Videos

Last Updated: Feb 14, 2026

Operant Sensation Seeking in the Mouse
08:39

Operant Sensation Seeking in the Mouse

Published on: November 10, 2010

13.5K
A Procedure to Study the Effect of Prolonged Food Restriction on Heroin Seeking in Abstinent Rats
10:35

A Procedure to Study the Effect of Prolonged Food Restriction on Heroin Seeking in Abstinent Rats

Published on: November 11, 2013

11.7K
Using Optogenetics to Reverse Neuroplasticity and Inhibit Cocaine Seeking in Rats
09:43

Using Optogenetics to Reverse Neuroplasticity and Inhibit Cocaine Seeking in Rats

Published on: October 5, 2021

3.0K

Area of Science:

  • Social Sciences
  • Network Science
  • Information Science

Background:

  • Traditional product adoption models predict S-shaped diffusion curves.
  • These models often assume passive information spread through social networks.

Purpose of the Study:

  • To investigate product adoption patterns beyond traditional S-shaped curves.
  • To identify the drivers of observed linear adoption patterns.
  • To analyze the role of active information seeking in product diffusion.

Main Methods:

  • Conducted two country-scale experiments involving millions of individuals and network ties.
  • Distributed unique voucher codes to study product adoption dynamics.
  • Analyzed geographical spreading, branching processes, and diffusion heterogeneity.

Main Results:

  • Observed linear adoption curves, contrasting with predicted S-shaped patterns.
  • Identified active information-seeking behavior via internet searches as a key driver.
  • Demonstrated that on-demand diffusion is geographically independent, unlike localized social spreading.

Conclusions:

  • Active information seeking, facilitated by internet searches, leads to linear product diffusion.
  • This challenges existing diffusion models and highlights a winner-take-all dynamic.
  • Information cascades initiated by active information seekers are more effective for product spread.