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. 2009 Jul 24;38(5):1301–1309. doi: 10.1007/s00726-009-0324-x

Fig. 1.

Fig. 1

a Concept of a molecular beacon as described by Tyagi and Kramer (Tyagi and Kramer 1996; Tyagi et al. 1998); b Molecular beacon composed of alanyl-PNA stem hiding the fluorophore (F) within the nucleobase stack and DNA recognition loop