Abstract: The present disclosure relates to the development of hydrogels with extreme stiffness and high-strength. In particular, an hydrogel comprising poly(2-hydroxyethyl methacrylate) and graphene material with a specific oxidation degree. The hydrogels of the present disclosure may be used in medicine, veterinary or cosmetic, namely as scaffold, cartilage, intervertebral disc and blood contact device such as: catheters, vascular grafts, heart valves, stents, artificial kidneys, artificial lungs, ventricular assist devices or drug delivery system. Uses in other areas can be envisaged, like in soft robotics, packaging, sealing and sensors.

Abstract: The present disclosure relates to a method for protecting stored agricultural dry products during storage, consisting of a controlled release system of essential oils and a shell for allowing oil diffusion in vapour phase towards the outer atmosphere without direct contact of the support material with stored products. This system is characterized by being suitable for use within containers for protecting stored dried agricultural plant products for a long period of time, in particular more than 4 weeks, more preferably more than 8 or 12 weeks.