Effect of Colloidal Cu NPs/Cinnamon Extract on the Antibacterial Activity


  • Maryam Mohammed K. Department of Physics, College of Science, Mustansiriyah University, Baghdad, IRAQ.
  • Baida M. Ahmed Department of Physics, College of Science, Mustansiriyah University, Baghdad, IRAQ.




Copper nanoparticles, a new method to prepare the extract, cinnamon extract, inhibition E. coli bacteria


This study explores a new facile method of obtaining plant extract using a plasma jet and a way of producing Cu nanoparticles (Cu NPs) using pulsed laser ablation in liquid. A 532 nm Nd:YAG laser at varying energies (500, 700, and 900 mJ) was used to prepare Cu NPs. Cinnamon bark extract was prepared quickly by DC plasma discharge (plasma jet) exposure at 5 and 15 min. The study showed the effects of a mixture (Cu NPs with cinnamon extract) on Escherichia coli bacteria. The colloids inhibited E. coli; the inhibition increased with duration and laser energy. The characterization of the Cu NPs was performed using ultraviolet-visible spectrophotometry, and field emission-scanning electron microscopy (FE-SEM).


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Original Article

How to Cite

M. M. . K. and B. M. . Ahmed, “Effect of Colloidal Cu NPs/Cinnamon Extract on the Antibacterial Activity”, Al-Mustansiriyah J. Sci., vol. 33, no. 4, pp. 94–99, Dec. 2022, doi: 10.23851/mjs.v33i4.1154.

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