A detection method using colorimetric analysis of the present invention includes: providing a first solution in which two materials selected from metal nanoparticles, an oxidizing agent, and chloride ions are mixed; providing a second solution including one other material that is not included in the first solution among the metal nanoparticles, the oxidizing agent, and the chloride ions; preparing a mixture solution by mixing the first solution and the second solution; and testing and measuring a color change of the mixture solution.

Claims

9 · 1 independent · depth 3

9 granted claims

›1.independentA detection method using colorimetric analysis, comprising: providing a first solution of metal nanoparticles and an oxidizing agent; providing a seco…+8

›2.↳ 1The detection method of claim 1, whereinnthe first solution is provided as a detection solution andthe second solution is provided as a detection targ…d2+3

›5.↳ 1The detection method of claim 1, wherein the diameter of the metal nanoparticles is in a range of 10 to 100 nm.d2+1

›7.↳ 1The detection method of claim 1, wherein the metal nanoparticles include at least one of gold (Au) nanoparticles and silver (Ag) nanoparticles.d2

›8.↳ 1The detection method of claim 1, wherein the oxidizing agent includes at least one of nitric acid (HNO3) and hydrogen peroxide (H2O2).d2

Classifications

5 codes

IPC · International Patent Classification

Section G — Physics

G01N21/00
G01N31/22
G01N33/00
G01N33/18
G01N21/78

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3.3 y

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Christine T Mui

art unit 1777 · TC 1700

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1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20140199773 A1	17 Jul 2014

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