Highly sensitive and selective oligonucleotide sensor for sickle cell disease gene using photon upconverting nanoparticles.

Abstract excerpt

We report the design of an oligonucleotide sensor for the detection of point mutation associated with sickle cell disease. The sensor was based on luminescence resonance energy transfer between a donor and an acceptor. Photon upconverting nanoparticles (NaYF(4) doped with Yb(3+) and Er(3+)) were used as the donor and a conventional fluorophore, N,N,N',N'-tetramethyl-6-carboxyrhodamine (TAMRA), as the acceptor....

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