الفهرس 
Study of biophysical properties of biological cells treated with copper nanoparticles
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Abstract
Introduction: Copper is a trace constituent in living organisms that plays a tremendous role in the function of proteins. Nevertheless delivery of copper into the cell is firmly limited due to its redox activity. Pre-empting future progress imposing the possibility to synthesize nanomaterials in numerous and controlled techniques. In vitro studies on biological cell lines allow more control and observation during the experiment. Methods: Copper nanoparticles (Cu NPs) were prepared by a chemical reduction method. Then characterization done by using different physical techniques such as: Dynamic Light Scattering (DLS), X-Ray Diffraction (XRD), and Fourier Transform Infrared Spectroscopy (FTIR). Results: Physical characterization of Cu NPs revealed that the average particle size of 97.2 % of Cu NPs was (78.04 ± 6.515) while 2.8 % of Cu NPs was (509.9 ± 66.05). Zeta potential value has an average of (-6.15 ± 1.75). The X-Ray diffraction analysis proved that the major components are copper and copper oxide. Conclusion: Copper nanoparticles were prepared using a chemical method. These nano-copper were very small in size and have no impurities within the sample. Cu NPs have been stable as the charge and the value of zeta potential indicated