Bio-synthesis of gold nanoparticles by human epithelial cells, in vivo.

  title={Bio-synthesis of gold nanoparticles by human epithelial cells, in vivo.},
  author={Eduardo Larios-Rodr{\'i}guez and C Rangel-Ayon and Samantha J. Castillo and Guadalupe Padilla Zavala and Ronaldo Herrera-Urbina},
  volume={22 35},
Healthy epithelial cells, in vivo, have the ability to synthesize gold nanoparticles when aqueous tetrachloroauric acid is made to react with human skin. Neither a reducing agent nor a protecting chemical is needed for this bio-synthesis method. The first indication of gold nanoparticle formation is the staining of the skin, which turns deep purple. Stereoscopic optical micrographs of human skin tissue in contact with aqueous tetrachloroauric acid clearly show the staining of the epithelial… CONTINUE READING
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