Calcium carbonate nanoparticles: synthesis, characterization and biocompatibility

Area of Science:

• Materials Science
• Nanotechnology
• Biomedical Engineering

Background:

• Nanoparticle synthesis and functionalization for biological applications like drug delivery present significant challenges.
• Calcium carbonate nanoparticles are promising inorganic nanomaterials for biomedical uses.

Purpose of the Study:

• To synthesize biocompatible calcium carbonate nanoparticles using a polymer-mediated growth technique.
• To characterize the synthesized nanoparticles and evaluate their safety for biomedical applications.

Main Methods:

• Polymer-mediated growth technique for nanoparticle synthesis.
• Characterization using X-ray diffraction, Scanning Electron Microscopy, Fourier-Transform Infra-red spectroscopy, and UV-Vis spectroscopy.
• Biocompatibility assessment on HeLa and LE cells at concentrations up to 50 microg.

Main Results:

• Calcium carbonate nanoparticles with an average diameter of 39.8 nm were successfully synthesized.
• Characterization confirmed the formation and properties of the nanoparticles.
• Biocompatibility studies revealed no significant oxidative stress or cell death in HeLa and LE cells.

Conclusions:

• The polymer-mediated synthesis method yields biocompatible calcium carbonate nanoparticles.
• These nanoparticles are safe for use in biomedical applications, including drug delivery.