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Rapid analysis for cyanobacterial toxins

  • US 10,338,067 B1
  • Filed: 07/14/2013
  • Issued: 07/02/2019
  • Est. Priority Date: 09/06/2007
  • Status: Active Grant
First Claim
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1. A method of releasing a cyanobacterial toxin in a suspension comprising cyanobacteria suspended in an aqueous medium, wherein said method comprises adding a releasing agent to an aliquot of the suspension so as to release toxins from the bacteria into the medium, provided the cyanobacteria are not subjected to a freeze-thaw step before, during, or after the step where the releasing agent is added to the suspension, wherein the releasing agent is a metal salt that comprises a copper atom and which can dissociate in water to release the copper atom as a copper ion, and wherein the releasing agent is selected from the group consisting of copper acetate, copper benzoate, copper bromide, copper chloride, copper chlorate, copper fluoride, copper formate, copper nitrate, copper perchlorate, and copper sulfate.

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