Royal Society of Chemistry, Chemical Communications, 6(48), p. 871-873
DOI: 10.1039/c1cc15926g
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A bifunctional peptide containing a domain that targets cell nuclei and a domain with the ability to biomineralize and capture Au clusters is presented. The peptide-Au clusters exhibit red emission (λ(em) = 677 nm) and specifically stain the nuclei of three cell lines.