CTX: Cy5.5 bioconjugate which is a combination of chlorotoxin and a fluorescent material named, Cy5.5 has been recently used by Researchers at Seattle Children’s Hospital Research Institute and Fred Hutchinson Cancer Research Center to demarcate cancer cells from the surrounding normal cells.
SERS can be used to target specific DNA and RNA sequences using a combination of gold and silver nanoparticles and Raman-active dyes, such as Cy3.