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Multi-analyte analysis system using an antibody-based biochip
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DOI：10.1007/s00216-002-1626-y.png)
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摘要
En 中文
A multi-analyte detection system using a unique antibody (Ab) biochip is described. The Ab-based biochip, also referred to as the protein biochip, uses a sensor array based on a complementary metal oxide silicon (CMOS) integrated circuit. The Ab-biochip has a sampling platform of four-by-four microarrays of antibodies deposited onto a Nylon membrane substrate. The micro-arrayed antibodies can be interrogated simultaneously or sequentially using the biochip sensing array detector with the use of a diffractive optical element illuminating each antibody spot individually. The usefulness of the Ab biochip is illustrated by the measurements of immunoglogulin G (IgG) used as the model analyte system. The detection limit for Cy5-labeled IgG molecules was 13 pg.
Keyword:
immunoassay
antibody array
biochip
protein biochip
multi-analyte
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