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Detection of nickel ions in various foods, especially fruits, is very important for the prophylaxis of patients with allergic contact dermatitis to this heavy metal. Currently, there are a limited number of rapid methods for identifying nickel ions, so it is necessary to develop new biosensors in this area, by improving selectivity of ligands and utilization of immobilization elements suitable for nickel ions. The mentioned elements are very important because they can increase the selectivity, sensitivity and can ...

Current context in which the emphasis is on promoting the circular economy, due to environmental policies, the food industry is constrained to develop new strategies to reduce food waste. The beer industry generates significant amounts of by-products that are often incorporated into animal feed or aquaculture. Yeast, the second by-product of the brewing process is generated in large quantities of 1.5 kg to 3 kg/100 L of beer produced. By using various purification processes, the residual brewer's yeast can be easi...

Annually, worldwide the food industry generates huge quantities of plastic packaging (polyethylene, polypropylene, polystyrene, polyethylene terephthalate, etc.) and due to their chemical structure takes hundreds of years to degrade, thus creating major environmental problems. Therefore, the aim of this study was to develop biodegradable films that can be used for food packaging and to identify their physical and mechanical properties. The biodegradable films were obtained using 150 ml Milli-Q water and different ...