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Related Concept Videos

Enzyme-Linked Immunosorbent Assay01:33

Enzyme-Linked Immunosorbent Assay

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In 1971, Peter Perlman and Eva Engvall developed an Enzyme-linked immunosorbent assay (ELISA or EIA). ELISA differs from western blot in that the assays are conducted in microtiter plates or in vivo rather than on an absorbent membrane.
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen.  Enzyme-substrate reaction allows the antigen to be visualized or...
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Advances in immunosensor technology.

Muhammet Aydin1, Elif Burcu Aydin1, Mustafa Kemal Sezgintürk2

  • 1Tekirdağ Namık Kemal University, Scientific and Technological Research Center, Tekirdağ, Turkey.

Advances in Clinical Chemistry
|May 28, 2021
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Summary

Recent advances in immunosensor fabrication focus on nanomaterials for ultrasensitive devices. These innovations aim for lower detection limits in clinical diagnosis, food analysis, and environmental monitoring.

Keywords:
Electrochemical immunosensorsImmunosensorsLateral flow assaysNanomaterialsOptical immunosensorsPiezoelectric immunosensor

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Analytical Chemistry

Background:

  • Immunosensor devices are increasingly used in clinical diagnosis, food analysis, environmental studies, and industrial monitoring.
  • A key challenge in immunosensor fabrication is achieving a low detection limit for enhanced sensitivity.
  • Nanomaterials are widely adopted as labels, catalysts, and transducers to boost device performance.

Purpose of the Study:

  • To review recent advancements in immunosensor device fabrication.
  • To summarize the latest research and strategies for improving immunosensor technology.
  • To explore the advantages and limitations of current immunosensor fabrication approaches.

Main Methods:

  • Review of recent literature on immunosensor fabrication techniques.
  • Analysis of strategies utilizing nanomaterials for enhanced sensitivity and specificity.
  • Exploration of design principles for low detection limits in immunosensor devices.

Main Results:

  • Nanomaterial utilization is a popular and effective strategy for developing ultrasensitive immunosensors.
  • Various fabrication strategies significantly improve the sensitivity and specificity of immunosensor technology.
  • The chapter details specific approaches and their associated benefits and drawbacks.

Conclusions:

  • Continued innovation in immunosensor fabrication, particularly with nanomaterials, is crucial for advancing detection capabilities.
  • Optimizing device design for low detection limits remains a primary goal in immunosensor development.
  • Understanding the advantages and limitations of different strategies is essential for future applications.