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Molecular interferometric imaging process and apparatus
   
Document Number
US Patent 7522282
Issued Date
April 21, 2009
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Inventors
Zhao; Ming (West Lafayette, IN)
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Abstract
A molecular interferometric imaging system for detecting an analyte in a sample, that includes an illumination source providing a beam of radiation; a pixel array for detecting radiation in an image plane; a biolayer designed to react to the analyte when it comes in contact with the sample; a substrate designed to convert phase modulation into intensity modulation which can be detected and imaged directly by the pixel array, the biolayer being on the substrate; a reference surface; an image switching means for switching between a first position for collecting a sample image of the biolayer, and a second position for collecting a reference image of the reference surface; and a processing means for producing a composite image using the sample image and the reference image for illumination normalization.
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Number of Claims:
34
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Owner
Purdue Research Foundation (West Lafayette, IN)
Published
April 21, 2009
Application Number
11/744,726
Filed
May 4, 2007
US Classification
356/450  
Int'l Classification
G01B   9/02   (20060101)  
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Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of U.S. Provisional Application Ser. No. 60/867,961, filed on Nov. 30, 2006, entitled "Molecular Interferometric Imaging Process and Apparatus," which is incorporated herein by reference.
USPTO Field of Search
356/450   356/451   356/456  
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