This propolis nanoparticle synthesis process flowchart template provides a visual representation of the step-by-step procedure involved in preparing nanoparticles. It details the mixing of propolis extract, the addition of Na3HPO4 and CaCl2 solutions, stirring, centrifugation, and freeze-drying. Designed using EdrawMax, this template is ideal for researchers, chemists, and laboratory personnel who are involved in nanoparticle research and synthesis.