Targeted images of KB cells using folate-conjugated gold nanoparticles

Pierson Rathinaraj, Kyubae Lee, Soo Young Park, Inn Kyu Kang

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Mercaptosuccinic acid-coated gold (GM) nanoparticles were prepared and characterized by transmission electron microscopy and dynamic light scattering. Folic acid (F) was then conjugated to the GM to preferentially target oral squamous cancer (KB) cells with folate receptors expressed on their membranes and facilitate the transit of the nanoparticles across the cell membrane. Finally, a fluorescence dye (Atto) was conjugated to the nanoparticles to visualize their internalization into KB cells. After culture of the cells in a medium containing GM and folate-conjugated GM (GF), the interaction of surface-modified gold nanoparticles with KB cells was studied.

Original languageEnglish
Article number5
JournalNanoscale Research Letters
Volume10
Issue number1
DOIs
StatePublished - 2015

Keywords

  • Folic acid
  • Gold nanoparticles
  • Intracellular uptake
  • KB cells

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