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Optical Sensors Based on Fluorescence Quenching

  • Wolfgang Trettnak

Abstract

A sensor is a device capable of continuously monitoring a physical parameter or the concentration of an analyte. Among the various types of sensors, electrochemical and optical sensors form the two largest groups. Optical sensors (“optrodes” or “optodes”) are mainly based on the detection of changes in absorbance, reflectance, fluorescence or chemiluminescence. But also Raman-scattering, refractive index, light polarization, light scattering and other optical properties have been used as analytical parameters.

Keywords

Polycyclic Aromatic Hydrocarbon Fluorescence Quenching Optical Sensor Oxygen Sensor Anal Chim 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Wolfgang Trettnak
    • 1
  1. 1.Institute for Optical SensorsJoanneum ResearchGrazAustria

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