Detection of cancer cells using a peptide nanotube-folic acid modified graphene electrode.

@article{Castillo2013DetectionOC,
  title={Detection of cancer cells using a peptide nanotube-folic acid modified graphene electrode.},
  author={John J. Castillo and Winnie E. Svendsen and No{\'e}mi Rozlosnik and Patricia Escobar and Fernando N. Martinez and Jaime Castillo-Le{\'o}n},
  journal={The Analyst},
  year={2013},
  volume={138 4},
  pages={1026-31}
}
This article describes the preparation of a graphene electrode modified with a new conjugate of peptide nanotubes and folic acid for the selective detection of human cervical cancer cells over-expressing folate receptors. The functionalization of peptide nanotubes with folic acid was confirmed by fluorescence microscopy and atomic force microscopy. The peptide nanotube-folic acid modified graphene electrode was characterized by scanning electron microscopy and cyclic voltammetry. The… CONTINUE READING

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