Fluorescent Proteins 101: Aptamer Fluorophores
Type
Blog Post
...Using a technique called systematic evolution of ligands by exponential enrichment (SELEX), some 1010 oligonucleotides...of the next two decades, these nucleotide-based ligand binders would prove to be highly adaptable tools...structure (see Fig. 1a). When the aptamer binds its ligand, the stem loop is disrupted, removing the quencher... dimerization for activation, only in this case ligand binding would bring the relevant ends together ...aptamers fluoresce until they bind to the appropriate ligand, but relying on a lack of fluorescence for readout...response. Aptamers can be selected for these small ligands.
References
1. Ma, Hanhui, et al. “Multicolor...