By looking at its wide range of applications, the aim of this study is the preparation and characterization of potassium chloride (KCl) nanoparticles by green synthesis using Curcuma longa plant. The detail characterization of KCl nanoparticles is carried out using X‐ray diffraction (XRD) analysis, UV–Visible spectroscopy, and scanning electron microscope (SEM) analysis that the result of KCl nanoparticles is observed as spiny, rock, semispherical, and spherical shape. The results of antibacterial activity show the inhibitory activity against bacteria in the case of preparing KCl by the method of plants, the results are noted that the best concentration in the inhibition area is (31 mm) in bacteria (Staphylococcus epidermidis) at a concentration of (100% mg mL−1).
The aim of this study is to look into the influence of CdO NPs on antimicrobial activity. Green synthesis has been used to produce CdO nanoparticles from cadmium acetate and the Crocus plant in this study. The properties of the synthesized nanoparticles of CdO thin materials were studied (optic, structural, and topographical of surface), it found that the CdO thin film is poly-crystalline and has multiple peaks. The size of crystallite of film calculated by the Scherrer’s formula. The disk method used to test antimicrobial activity against two bacteria; the observed areas of inhibition confirm that the as-synthesized CdO NPs act as an important antimicrobial agent against pathogenic microorganisms.
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