Localized Surface Plasmon Resonance Mercury Detection System and Methods
First Claim
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1. A mercury detection system comprising:
- a flow cell comprising a mercury sensor, wherein the mercury sensor comprises;
a transparent substrate; and
a submonolayer of gold nanoparticles on a surface of the substrate;
a light source; and
a light detector.
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Abstract
A mercury detection system that includes a flow cell having a mercury sensor, a light source and a light detector is provided. The mercury sensor includes a transparent substrate and a submonolayer of mercury absorbing nanoparticles, e.g., gold nanoparticles, on a surface of the substrate. Methods of determining whether mercury is present in a sample using the mercury sensors are also provided. The subject mercury detection systems and methods find use in a variety of different applications, including mercury detecting applications.
12 Citations
20 Claims
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1. A mercury detection system comprising:
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a flow cell comprising a mercury sensor, wherein the mercury sensor comprises; a transparent substrate; and a submonolayer of gold nanoparticles on a surface of the substrate; a light source; and a light detector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for determining whether mercury is present in a sample, the method comprising:
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contacting a sample to a mercury sensor comprising; a transparent substrate; and a submonolayer of gold nanoparticles on a surface of the substrate; directing light from a light source to the sample-contacted mercury sensor; and detecting a change in visible light absorbance of the gold nanoparticles to determine whether mercury is present in the sample. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification