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Sensor for oxidising agents

  • US 20040258562A1
  • Filed: 08/12/2004
  • Published: 12/23/2004
  • Est. Priority Date: 09/05/2001
  • Status: Active Grant
First Claim
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1. An indicator for detecting oxidising agents comprising:

  • at least one redox sensitive material which displays different visible properties in the oxidised and reduced forms;

    at least one electron donor wherein the at least one electron donor is a mild reducing agent; and

    at least one semiconductor material specifically sensitive to light of about 200-400 nm, and wherein upon irradiation of said semiconductor material by light of about 200-400 nm an electron is donated by the electron donor to the semiconductor material which in turn provides an electron to the redox sensitive material causing the redox sensitive material to become reduced.

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