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

ATP Driven Pumps I: An Overview01:27

ATP Driven Pumps I: An Overview

10.5K
ATP-driven pumps, also known as transport ATPases, are integral membrane proteins. They have binding sites for ATP located on the membrane's cytosolic side and the ion-conducting domain in the transmembrane region. These pumps use the free energy released from ATP hydrolysis to move the solutes across cell membranes against an electrochemical gradient.
There are four main types of ATP-driven pumps - P-type, V-type, F-type, and ABC transporter. All these pumps are of varying complexities and...
10.5K

You might also read

Related Articles

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

Sort by
Same author

Dynamics of Moving Contact Line Influenced by Rotational Forcing.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Bringing Field to the Lab: An <i>In Silico</i> Analysis of Oxygen Production in Aquatic Plants.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Does Finite Size Ion Modulate Electrolyte Transport? Thermoosmosis Cooperates with Capillary Osmotic Flow Velocity in Charged Nanopores.

Analytical chemistry·2025
Same author

Ion-partitioning effect promotes the electroosmotic mixing of non-Newtonian fluids in soft-patterned microchannels.

Physical chemistry chemical physics : PCCP·2025
Same author

Pore-scale immiscible interfacial transport facilitates low-cost droplet generation.

Soft matter·2025
Same author

Arresting of Viscoelectric Effect Modulated Flow Reduction in Nanochannels with Imposed Temperature Gradients.

Langmuir : the ACS journal of surfaces and colloids·2025

Related Experiment Video

Updated: Apr 14, 2026

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.3K

Temperature-Dependent Protonic Exchange Affects Blue Energy Generation in Soft Nanochannels.

Sumit Kumar Mehta1, Sayantan Pramanick2, Pranab Kumar Mondal2,3,4

  • 1Microfluidics and Microscale Transport Processes Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.

Langmuir : the ACS Journal of Surfaces and Colloids
|April 13, 2026
PubMed
Summary

This study develops a numerical model for nanofluidic blue energy harvesting, showing that pH and temperature gradients significantly boost power generation in polyelectrolyte layer nanochannels.

More Related Videos

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

9.3K
Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development
09:32

Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development

Published on: June 15, 2017

9.3K

Related Experiment Videos

Last Updated: Apr 14, 2026

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.3K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

9.3K
Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development
09:32

Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development

Published on: June 15, 2017

9.3K

Area of Science:

  • Nanofluidics
  • Renewable Energy Harvesting
  • Electrochemistry

Background:

  • Blue energy harvesting utilizes salinity gradients for power generation.
  • Ion selectivity and electrochemical coupling are crucial at the nanoscale.
  • Polyelectrolyte layers (PELs) in nanochannels influence ion transport.

Purpose of the Study:

  • To numerically investigate electrical energy generation in a PEL-grafted nanochannel under coupled salinity and temperature gradients.
  • To model temperature-dependent PEL ionization, ion partitioning, electrothermal-ionic transport, and thermo-diffusion.
  • To analyze the impact of these factors on ion selectivity and power output.

Main Methods:

  • Developed a comprehensive numerical framework using Poisson-Nernst-Planck (PNP) and energy equations.
  • Employed a finite-element approach for solving the model.
  • Validated the numerical model against theoretical, experimental, and steady-state PNP solutions.

Main Results:

  • Temperature-dependent PEL ionization critically regulates space charge density and local pH.
  • Increasing reservoir temperature reduces PEL ionization strength and shifts neutral pH to more acidic conditions.
  • Ion partitioning creates a basic PEL region and acidic core, enhancing cation selectivity (>0.5 transference numbers).
  • Increased pH and temperature significantly boost ionic current, maximum pore power, and power density.
  • Achieved power density exceeding 5 W m-2 and energy conversion efficiency over 30% at alkaline pH.

Conclusions:

  • PEL-modified nanochannels offer efficient blue energy harvesting potential.
  • Coupled thermal and chemical gradients significantly enhance energy conversion efficiency.
  • The developed numerical framework provides a valuable tool for designing advanced nanofluidic energy harvesters.