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Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Immune Surveillance by NK Cells and Phagocytes01:25

Immune Surveillance by NK Cells and Phagocytes

Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...

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Updated: Jul 1, 2026

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

Quantum-inspired immune clonal algorithm for global optimization.

Licheng Jiao1, Yangyang Li, Maoguo Gong

  • 1Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education of China, Institute of Intelligent Information Processing, Xidian University, Xi'an 710071, China.

IEEE Transactions on Systems, Man, and Cybernetics. Part B, Cybernetics : a Publication of the IEEE Systems, Man, and Cybernetics Society
|September 12, 2008
PubMed
Summary
This summary is machine-generated.

A new quantum-inspired immune clonal algorithm (QICA) enhances global optimization by using quantum bits for antibodies. This novel approach significantly improves solution quality and computational efficiency in complex problems.

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A Data-Driven Approach to Quantifying Immune States in Sepsis
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Published on: February 7, 2025

Area of Science:

  • Computational intelligence
  • Quantum computing
  • Optimization algorithms

Background:

  • Global optimization problems are challenging for traditional algorithms.
  • Immune clonal algorithms offer a biologically inspired approach to optimization.
  • Quantum computing principles can potentially enhance computational methods.

Purpose of the Study:

  • To propose a novel quantum-inspired immune clonal algorithm (QICA) for global optimization.
  • To leverage quantum computing concepts within an immune clonal algorithm framework.
  • To improve convergence speed, solution quality, and search efficiency.

Main Methods:

  • Antibodies are represented by multistate gene quantum bits and divided into subpopulations.
  • Quantum rotation gates and dynamic adjusting angles are used for antibody updating and accelerated convergence.
  • Quantum NOT gates facilitate mutation to prevent premature convergence.
  • Quantum recombination enables information exchange between subpopulations to enhance search efficiency.

Main Results:

  • Theoretical analysis confirms QICA's convergence to the global optimum.
  • Experiments on benchmark functions demonstrate QICA's superior performance over improved genetic algorithms in solution quality and computational cost.
  • Application to multiuser detection in direct-sequence code-division multiple-access systems yielded satisfactory results.

Conclusions:

  • QICA is an effective and efficient algorithm for global optimization problems.
  • The integration of quantum computing principles enhances the capabilities of immune clonal algorithms.
  • QICA shows promise for both theoretical optimization tasks and practical applications.