Detection apparatus for biological materials and methods of making and using the same
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United States of America Patent
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Apr 23, 2013
Grant Date -
May 3, 2012
app pub date -
Oct 28, 2011
filing date -
Apr 30, 2005
priority date (Note) -
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Abstract
Apparatus comprising surface site comprising substantially inorganic surface having chemical composition selected from group consisting of metals, semiconductors, insulators, and mixtures thereof, the surface positioned within polypeptide bonding region and having selective bonding affinity for polypeptide; plurality of interlayers between which surface site is interposed; distal site end on surface site and distanced from interlayers, the surface being provided on distal site end; surface site and interlayers being interposed between first and second supports; first and second conductors provided on first and second supports and having respective first and second distal conductor ends positioned within polypeptide bonding region; conductors being capable of applying external voltage potential across polypeptide bonding region. Apparatus, optionally comprising such first and second supports and conductors; and comprising third conductor in electrical communication with surface site, the third conductor positioned for electrical communication with source of an external bias voltage. Techniques for making apparatus.
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