DETECTION METHOD OF HEAVY METAL IONS AND SENSOR USING THE SAME
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United States of America Patent
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Jul 13, 2017
app pub date -
Nov 28, 2016
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Jan 7, 2016
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The present invention relates to a heavy metal ion detection method and sensor which can ascertain the presence of heavy metal ions based on a precipitation reaction with a reaction solution without using a receptor and is reusable after being washed. The heavy metal ion detection method includes: mixing a sample containing heavy metal ions with a reaction solution capable of forming a precipitate through reaction with the heavy metal ions on a dielectric substrate with metal nanoparticles attached thereto to form a precipitate; and measuring change in LSPR absorption wavelength of the metal nanoparticles before and after mixing to calculate a concentration of the heavy metal ions.
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