Preparation of multicolor emitting carbon dots for HeLa cell imaging

We found that the carbonization of potato at ∼170 °C for 12 h produces highly fluorescent carbon dots of 0.2–2.2 nm size

Vaibhavkumar N. Mehta; Sanjay Jha; Rakesh Kumar Singhal; Suresh Kumar Kailasa

2014

Scholarcy highlights

  • We have synthesized biocompatible fluorescent carbon dots by a one-step hydrothermal method using Solanum tuberosum as a raw material
  • We found that the carbonization of potato at ∼170 °C for 12 h produces highly fluorescent CDs of 0.2–2.2 nm size
  • The synthesized CDs are well dispersed in water and exhibited strong blue and bright blue emissions under UV illumination
  • The CDs acted as fluorescent probes for multicolor imaging of HeLa cells and the CDs did not induce cell death, which indicates that the CDs are biocompatible and nontoxic to HeLa cells
  • The CDs can be used as probes for cell-imaging applications in vitro and in vivo
  • Preparation of multicolor emitting carbon dots for HeLa cell imaging

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