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Related Concept Videos

Transport Number01:31

Transport Number

The transport number is the fraction of the total current carried by an ion in an electrolyte solution. It is defined as the ratio of the current carried by a specific ion to the total current flowing through the solution. The transport number, t, is central to understanding ionic mobility, which describes how fast an ion moves under the influence of an electric field. This link connects the physical behavior of ions in solution to the chemical processes that occur during electrochemical...
The ADP/ATP Carrier Protein01:42

The ADP/ATP Carrier Protein

ADP/ATP carrier or AAC protein is the most abundant carrier protein in the inner mitochondrial membrane. It transports large quantities of ADP and ATP, equivalent to the average human body weight, every day. Among other transporters, ACC protein is one of the best-studied members of the mitochondrial carrier protein family. The ADP/ATP carrier protein comprises two transmembrane helices connected to a loop and a single alpha-helix on the matrix side. It switches between two conformational...
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
Carrier-Mediated Transport01:06

Carrier-Mediated Transport

Carrier-mediated transport is a pivotal process in drug absorption, particularly for lipid-insoluble drugs, and encompasses facilitated diffusion and active transport. Facilitated diffusion allows drugs to move along their concentration gradient without energy expenditure, while active transport utilizes ATP to drive drug movement against this gradient.
Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
Facilitated Transport01:19

Facilitated Transport

The chemical and physical properties of plasma membranes cause them to be selectively permeable. Since plasma membranes have both hydrophobic and hydrophilic regions, substances need to be able to transverse both regions. The hydrophobic area of membranes repels substances such as charged ions. Therefore, such substances need special membrane proteins to cross a membrane successfully. In  facilitated transport, also known as facilitated diffusion, molecules and ions travel across a membrane via...
Facilitated Transport01:19

Facilitated Transport

The chemical and physical properties of plasma membranes cause them to be selectively permeable. Since plasma membranes have both hydrophobic and hydrophilic regions, substances need to be able to transverse both regions. The hydrophobic area of membranes repels substances such as charged ions. Therefore, such substances need special membrane proteins to cross a membrane successfully. In  facilitated transport, also known as facilitated diffusion, molecules and ions travel across a membrane via...

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Related Experiment Video

Updated: May 27, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

A Secure and Low-Overhead Authentication Protocol for Vehicle Ad Hoc Networks with Batch and Transfer Authentication.

Dulam Devee SivaPrasad1, Azees Maria2

  • 1Department of Networking and Security, School of Computer Science and Engineering, VIT-AP University.

Journal of Visualized Experiments : Jove
|May 25, 2026
PubMed
Summary

This study introduces a lightweight authentication protocol for Vehicular Ad Hoc Networks (VANETs). It enables faster, secure batch and transfer authentication, improving efficiency for intelligent transportation systems.

Related Experiment Videos

Last Updated: May 27, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

Published on: November 26, 2019

Area of Science:

  • Computer Science
  • Network Security
  • Intelligent Transportation Systems

Background:

  • Vehicular Ad Hoc Networks (VANETs) face challenges with secure, efficient, and scalable authentication.
  • Traditional one-to-one authentication causes high communication and computational overheads, hindering real-time safety applications.

Purpose of the Study:

  • To propose a lightweight authentication protocol for VANETs that supports batch and transfer authentication.
  • To reduce communication and computational overheads in vehicular authentication processes.

Main Methods:

  • Developed a protocol leveraging Chebyshev polynomial properties for secure authentication.
  • Implemented batch authentication for simultaneous verification of multiple vehicles.
  • Enabled transfer authentication for seamless RSU handoffs without re-authentication.

Main Results:

  • Achieved a communication cost of 42n bytes.
  • Demonstrated significantly lower computational complexity compared to existing schemes.
  • Enhanced scalability, reduced message exchange, and maintained resistance against common attacks.

Conclusions:

  • The proposed protocol offers a secure and scalable solution for VANETs.
  • It improves the practicality of VANETs by reducing data overhead and accelerating authentication.
  • The protocol is well-suited for real-time vehicular communications and future intelligent transportation systems.