Abstract
In this work, it is shown that intensive treatment of dispersed systems with ultrasound is an effective method for enhancing the interaction of particles and polymer with the subsequent formation of adsorption layers of high thickness and strength. This makes possible to obtain highly stable dispersed systems with a modified surface of the solid phase. The studies proved the important role of intensive ultrasonic action for controlling the properties of the nanoparticles surface in heterophase systems. It is shown that an increase in the activity of the surface of nanoparticles as a result of ultrasonic treatment is of great importance for the study of their antibacterial activity: after ultrasonic activation, nanoparticles are more active in interaction with cell membranes.
Highlights
Modern food systems cover a huge number of links from "field" to "consumer" and represent the environment for the emergence, transmission and propagation of infectious diseases
According to the WHO data, the group of such diseases includes about two hundred infectious diseases that have spread in the world recently, while 75% of emerging infections are diseases of zoogenic origin
Titanium dioxide nanoparticles were synthesized in a plasma discharge under the action of ultrasonic cavitation in an aqueous medium as described elsewhere [7]
Summary
Modern food systems cover a huge number of links from "field" to "consumer" and represent the environment for the emergence, transmission and propagation of infectious diseases. Numerous microorganisms and viruses can circulate, mutate and be transmitted to humans with food. Since 2017, there has been a progressive increase in infectious foodborne diseases in the EU countries. According to the WHO data, the group of such diseases includes about two hundred infectious diseases that have spread in the world recently, while 75% of emerging infections are diseases of zoogenic origin
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