Biosensor for analyzing quantitatively analyte with a predetermined size and larger than, and manufacturing method thereof
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United States of America Patent
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Feb 19, 2008
Grant Date -
Feb 22, 2007
app pub date -
May 21, 2004
filing date -
May 23, 2003
priority date (Note) -
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Abstract
The present invention discloses a biosensor for quantitatively analyzing a bio-material and a manufacturing method thereof. The biosensor has an exposed conductive region of a few-nanometer scale distributed on an insulated metallic substrate in a desired pattern or randomly. The quantitative analysis of protein can be carried out by means of simplified procedures, without the necessity of rinsing out a signal-producing material, which is non-specifically bonded to the materials to be analyzed. The biosensor utilizes only the size of the molecules, and thus can be universally used for the analysis of bio-materials. A selective and separate analysis can be realized in which interference caused by other materials is significantly reduced.
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