Iranian scientists, in association with Chinese researchers, studied the kinetics of the formation of iron oxide nanoparticles and developed their correlation by using the results obtained from thermal gravimetric analysis (TGA) and images taken by transmission electron microscope (TEM).
The correlation was calculated based on the parameters of time and laboratorial conditions, and it is able to predict and control the size and volume of nanoparticles,
"Predicting and controlling the formation rate and size of nanoparticles and other nanostructures enable us to investigate and control their properties and applications in a more effective manner, which is essential," he said.
Results showed that the mean size of particles increased, as the reaction time and acidity of the system increased.
An interesting characteristic of the ferromagnetic materials observed in this research was their super-paramagnetic properties that take place at very small dimensions (such as 11 nm for Fe3O4), taking into consideration the type of materials. This characteristic is useful in many applications, including some medical
Results of the research will help predict the percentage of nanostructured phase formation and dimensions of nanometric phase, which is useful for the prediction and control of the nanostructure properties for its desired application.
The researchers are currently investigating the commercialization of the nanoparticles synthesized with various coatings for MRI applicationsIranian, Chinese researchers study kinetics of nanoparticles
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