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Sensitivity and dynamics of bioreceptor-based biosensors.

J S Schultz1

  • 1Department of Chemical Engineering, University of Michigan, Ann Arbor 48109.

Annals of the New York Academy of Sciences
|January 1, 1987
PubMed
Summary

Bioreceptors are key to developing specific and sensitive biosensors. Modifying bioreceptors and analytes enhances biosensor performance, but sensitivity is ultimately limited by reaction kinetics.

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Area of Science:

  • Biotechnology
  • Biomedicine
  • Biosensor Technology

Background:

  • Bioreceptors are crucial for creating specific and sensitive biosensors.
  • Nature offers diverse bioreceptors (antibodies, enzymes, proteins) for biotechnological and biomedical applications.
  • Modern biotechnology enables large-scale production and modification of these bioreceptors.

Purpose of the Study:

  • To explore the role of bioreceptors in biosensor development.
  • To investigate methods for enhancing biosensor sensitivity and range.
  • To understand the limitations imposed by bioreceptor-analyte interactions.

Main Methods:

  • Utilizing natural bioreceptors like antibodies, enzymes, membrane proteins, and binding proteins.
  • Employing biotechnological techniques for bioreceptor modification and production.
  • Modifying analog-analyte structures to fine-tune biosensor characteristics.

Main Results:

  • Bioreceptors form the foundation for specific and sensitive biosensor design.
  • Bioreceptor and analog-analyte modifications significantly enhance biosensor performance.
  • Achieved several orders of magnitude increase in range sensitivity with specific bioreceptors.

Conclusions:

  • Bioreceptors are essential components for advanced biosensor applications.
  • Tailoring bioreceptors and analytes offers a powerful strategy for optimizing biosensor performance.
  • Dissociation kinetics of bioreceptor-analyte reactions present a fundamental trade-off affecting ultimate biosensor sensitivity and response rate.

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