Researchers have developed a DNA biosensor system by controlling the aggregation of AuNPs using horseradish-peroxidase-mimicking DNAzyme.
![DNAzyme controlled aggregation of gold nanoparticles for DNA sensors and aptasensors](https://www.advancedsciencenews.com/wp-content/uploads/2014/07/gold-nanoparticles-dna.jpg)
Researchers have developed a DNA biosensor system by controlling the aggregation of AuNPs using horseradish-peroxidase-mimicking DNAzyme.