ATDBio was established to provide high quality oligonucleotides to scientists around the world. ATDBio oligonucleotides are used successfully in academic and commercial research in the fields of genetics, genomics, molecular biology, biochemistry, biotechnology and nanotechnology. They supply a wide range of custom-made unmodified and chemically modified oligonucleotides for small and large scale applications. Each oligonucleotide they make is unique, and they insist on the highest standards to maintain the best possible quality for every oligonucleotide. They have very high standards of quality assurance.