Abstract
The present invention provides an aptamer-based colorimetric sensor system for determining the presence and optionally the concentration of an analyte in a sample. Methods of utilizing the sensor system and kits that include the sensor also are provided. The sensor utilizes a linker and oligonucleotide functionalized particles to form an aggregate, which disaggregates in response to the analyte.
| Original language | English (US) |
|---|---|
| U.S. patent number | 8470532 |
| Filing date | 1/18/11 |
| State | Published - Jun 25 2013 |