The present invention provides an aptamer-based calorimetric 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...http://www.google.fr/patents/US7892734?utm_source=gb-gplus-shareBrevet US7892734 - Aptamer based colorimetric sensor systems
