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Reference Book of Sensors from C.H.I.P.S.

Chemical Sensors
and Biosensors

by Brian R. Eggins


Chemical Sensors and Biosensors provides an up-to-the-minute overview of a wide range of sensing systems, discussing the elements of different transducers used in sensors and the selective elements that are employed. The style is relatively non-mathematical and informal in approach.

Key features and subjects covered include the following:

  • Sensors based on both electrochemical and photometric transducers
  • Mass-sensitive sensors
  • Thermal-sensitive sensors
  • Performance factors for sensors
  • Examples of applications
  • Detailed case studies of five selected sensors
  • 30 discussion questions with worked examples and 80 self-assessment questions
  • 140 explanatory diagrams
  • An extensive bibliography

Contents

Introduction

  • Introduction to sensors
  • Sensors and biosensors - definitions
  • Aspects of sensors

Transduction Elements

  • Electrochemical transducers - introduction
  • Potentiometry and ion selective electrodes: the Nernst equation
  • Voltammetry and amperometry
  • Conductivity
  • Field effect transistors
  • Modified electrodes, thin film electrodes, microelectrodes and screen printed electrodes
  • Photometric sensors

Sensing Elements

  • Ionic recognition
  • Molecular recognition - chemical recognition agents
  • Molecular recognition - spectroscopic recognition
  • Molecular recognition - biological recognition agents
  • Immobilisation of biological component

Performance Factors

  • Selectivity
  • Sensitivity
  • Time factors
  • Precision, accuracy and repeatability
  • Different biomaterials
  • Different transducers
  • Some factors affecting the performance of sensors

Electrochemical Sensors and Biosensors

  • Potentiometric sensors - ion selective electrodes
  • Potentiometric biosensors
  • Amperometric sensors
  • Conductometric sensors and biosensors
  • Applications of FET sensors

Photometric Applications

  • Techniques for optical sensors
  • Visible absorption spectroscopy
  • Fluorescent reagents
  • Indirect methods using competitive binding
  • Reflection methods
  • Light scattering techniques

Mass Sensitive and Thermal Sensors

  • The piezo-electric effect
  • Surface acoustic waves
  • Thermal sensors

Some Specific Applications

  • Determination of glucose in blood - amperometric biosensor
  • Determination of ng levels of copper (I) in water using anodic stripping voltammetry using an electrode modified with a complexing agent
  • Determination of several ions simultaneously - "the laboratory on a chip"
  • Determination of ato-mole levels of trinitrotoluene (TNT) - antibody with a luminescent transducer
  • Determination of flavanols in beers

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Chemical Sensors and Biosensors
by Brian R. Eggins
298 pages $99.00 + shipping

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