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US 2009/0213383 A1Published application
Apparatus and method for detecting one or more substances
OwnerNguyen Ly, Feimeng Zhou +2inventors
InventorsNguyen Ly, Feimeng Zhou, Tainwei Jing, Nongjian Tao
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Abstract
Several embodiments of a method of detecting a substance are disclosed herein.
Claims32
An apparatus for detecting one or more substances comprising:
- a dielectric body;
- a layer coupled to a surface of the dielectric body;
- wherein layer comprises metal;
- a sample cell;
- wherein the sample cell comprises:
- at least one fluidic channel;
- a flow through control system;
- an electrochemical system;
- a light source;
- wherein the light source excites surface plasmons at an interface between the layer and one or more fluids in contact with the layer;
- a light detection system;
- and
- a control unit.
10 more elements
A method of detecting one or more fluids comprising:
- injecting the one or more fluids into a sample cell;
- exposing the one or more fluids to at least a portion of a metal film layer;
- directing a beam of radiation towards the one or more fluids in the sample cell;
- exciting surface plasmons at an interface of the metal film layer and the one or more fluids;
- reflecting the beam of radiation off of the metal film layer;
- detecting the beam of radiation reflected off of the metal film layer;
- electrically biasing at least a portion of the metal film layer with respect to a reference electrode exposed to the one or more fluids;
- and
- controlling the flow of the one or more fluids.
6 more elements
Dependencies are inferred from the claim text.