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Title: Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including early detection of cancers

Abstract

An assay element is described including recognition ligands adapted for binding to carcinoembryonic antigen (CEA) bound to a film on a single mode planar optical waveguide, the film from the group of a membrane, a polymerized bilayer membrane, and a self-assembled monolayer containing polyethylene glycol or polypropylene glycol groups therein and an assay process for detecting the presence of CEA is described including injecting a possible CEA-containing sample into a sensor cell including the assay element, maintaining the sample within the sensor cell for time sufficient for binding to occur between CEA present within the sample and the recognition ligands, injecting a solution including a reporter ligand into the sensor cell; and, interrogating the sample within the sensor cell with excitation light from the waveguide, the excitation light provided by an evanescent field of the single mode penetrating into the biological target-containing sample to a distance of less than about 200 nanometers from the waveguide thereby exciting any bound reporter ligand within a distance of less than about 200 nanometers from the waveguide and resulting in a detectable signal.

Inventors:
 [1];  [2];  [3];  [4]
  1. Santa Fe, NM
  2. Los Alamos, NM
  3. Arcadia, CA
  4. Monrovia, CA
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
972294
Patent Number(s):
7541196
Application Number:
11/172,244
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
60 APPLIED LIFE SCIENCES

Citation Formats

Martinez, Jennifer S, Swanson, Basil I, Shively, John E, and Li, Lin. Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including early detection of cancers. United States: N. p., 2009. Web.
Martinez, Jennifer S, Swanson, Basil I, Shively, John E, & Li, Lin. Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including early detection of cancers. United States.
Martinez, Jennifer S, Swanson, Basil I, Shively, John E, and Li, Lin. Tue . "Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including early detection of cancers". United States. https://www.osti.gov/servlets/purl/972294.
@article{osti_972294,
title = {Planar optical waveguide based sandwich assay sensors and processes for the detection of biological targets including early detection of cancers},
author = {Martinez, Jennifer S and Swanson, Basil I and Shively, John E and Li, Lin},
abstractNote = {An assay element is described including recognition ligands adapted for binding to carcinoembryonic antigen (CEA) bound to a film on a single mode planar optical waveguide, the film from the group of a membrane, a polymerized bilayer membrane, and a self-assembled monolayer containing polyethylene glycol or polypropylene glycol groups therein and an assay process for detecting the presence of CEA is described including injecting a possible CEA-containing sample into a sensor cell including the assay element, maintaining the sample within the sensor cell for time sufficient for binding to occur between CEA present within the sample and the recognition ligands, injecting a solution including a reporter ligand into the sensor cell; and, interrogating the sample within the sensor cell with excitation light from the waveguide, the excitation light provided by an evanescent field of the single mode penetrating into the biological target-containing sample to a distance of less than about 200 nanometers from the waveguide thereby exciting any bound reporter ligand within a distance of less than about 200 nanometers from the waveguide and resulting in a detectable signal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2009},
month = {6}
}

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