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Title: Localized surface plasmon resonance mercury detection system and methods

Patent ·
OSTI ID:1243323

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.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231
Assignee:
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (Oakland, CA)
Patent Number(s):
9,291,557
Application Number:
14/368,499
OSTI ID:
1243323
Resource Relation:
Patent File Date: 2013 Jan 10
Country of Publication:
United States
Language:
English

References (13)

Gold nanorod-based mercury sensor using functionalized glass substrates journal October 2012
Portable mercury sensor for tap water using surface plasmon resonance of immobilized gold nanorods journal September 2012
Gold Nanoparticle Films As Sensitive and Reusable Elemental Mercury Sensors journal August 2012
A Spectroscopic Study of Mercury Vapor Adsorption on Gold Nanoparticle Films journal October 2002
Pushing the Limits of Mercury Sensors with Gold Nanorods journal January 2006
Visual detection of mercury vapor using plasmonic nanoparticle array conference November 2010
Self-assembled monolayers as selective filters for chemical sensors journal March 2002
Colorimetric Sensing of Silver(I) and Mercury(II) Ions Based on an Assembly of Tween 20-Stabilized Gold Nanoparticles journal August 2010
Apparatus and method for removing mercury vapor from a gas stream patent January 2008
Biosensors based on directed assembly of particles patent February 2009
Simple catalytic DNA biosensors for ions based on color changes patent May 2009
Mercury Sensor Using Anisotropic Gold Nanoparticle and Related Water Remediation patent-application April 2008
Compositions for surface enhanced infrared absorption spectra and methods of using same patent-application January 2010