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Related Concept Videos

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is formed in...
Extraction: Partition and Distribution Coefficients01:14

Extraction: Partition and Distribution Coefficients

The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
For extracting a solute from an aqueous phase into an organic...
Subviral Agents01:29

Subviral Agents

Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
Network Function of a Circuit01:25

Network Function of a Circuit

Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
Circuit Terminology01:14

Circuit Terminology

An electrical network is a system composed of interconnected elements, such as resistors, capacitors, inductors, and voltage or current sources. Unlike a circuit, an electrical network does not necessarily form a closed path. In other words, while all circuits can be considered networks due to their interconnected nature, not every network qualifies as a circuit.
A circuit, on the other hand, is also an interconnected system of electrical elements but must contain one or more closed paths.
Nuclear Export01:42

Nuclear Export

The nucleus restricts several proteins within and allows others to pass. The restricted proteins possess a nuclear retention sequence or NRS, anchoring them to the nuclear lamins and preventing their transport to the cytosol. The non-restricted proteins, after their synthesis, are transported to their site of action, such as the cytosol or other organelles, with the help of nuclear export signals or NES.
NES are of three types- the canonical 10-residue long leucine-rich signal and other...

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Related Experiment Video

Updated: May 8, 2026

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
07:28

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

SubNet: a Java application for subnetwork extraction.

Christophe Lemetre1, Quanwei Zhang1, Zhengdong D Zhang

  • 1Department of Genetics, Albert Einstein College of Medicine, 1301 Morris Park Avenue, Bronx, NY 10461, USA.

Bioinformatics (Oxford, England)
|August 16, 2013
PubMed
Summary
This summary is machine-generated.

SubNet is a user-friendly program that extracts biological subnetworks for identifying functional modules. It uses four methods, including a novel PageRank-based approach, to analyze complex networks.

Related Experiment Videos

Last Updated: May 8, 2026

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
07:28

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

Area of Science:

  • Systems Biology
  • Bioinformatics
  • Network Analysis

Background:

  • Biological networks are complex and require tools for targeted analysis.
  • Identifying functional modules and pathways is crucial for understanding biological systems.

Purpose of the Study:

  • To present SubNet, a Java-based program for extracting targeted subnetworks.
  • To provide a user-friendly interface with multiple network extraction methods.

Main Methods:

  • Subnetwork extraction from a basal network and selected nodes.
  • Implementation of four distinct extraction algorithms.
  • Development of a PageRank-based method for subnetwork extraction using node centrality and weights.

Main Results:

  • SubNet facilitates the identification of functional modules and pathways.
  • The program offers a graphical user-friendly interface.
  • A novel PageRank algorithm enhances subnetwork extraction.

Conclusions:

  • Subnetwork extraction is a powerful technique for biological network analysis.
  • SubNet provides a versatile tool for interrogating biological networks.
  • The PageRank-based method offers a new approach to node centrality analysis in biological networks.