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DIT Hothouse posted this:New Anti-Counterfeit Technology - Pressure Sensitive HologramsDublin Institute of Technology (DIT) researchers have invented a unique, patented hologram that changes colour under pressure and has widespread applications for security, authentication and environmental sensing. Holograms are frequently used for security and authentication, and are commonly found on credit cards, bank notes, passports and concert tickets, as well as on a number of high value goods such as pharmaceutical drugs, clothing and accessories. They can also be used as sensors if the hologram is sensitive to changes in its environment, and for tamper detection for document security. Current holographic solutions are usually mass produced from a single master hologram, resulting in identical holograms, with serialisation applied via standard overprinting, allowing the holograms to be either tampered or copied. The pressure-sensitive optical device developed at DIT allows the production of true individual holograms. Specific customer codes can be embedded into the actual hologram during manufacture, making them extremely difficult to copy but very easy for the end user authentication through a pressure-induced colour change of the hologram. The colour change can be either temporary or permanent, depending on specific requirements. This optical device can be a purely visual feature to be used for authentication by the end customer/consumer using thumb pressure, or it can also be designed to be machine readable for automated checking within the supply chain.
Josh Griffing posted this:
President at Raw Food Central
Cracow University of Technology posted this:Suspension containing gold or silver nanoparticles or a mixture thereof and a production method thereofThe present invention relates to a process for the preparation of nanosilver and nanogold using an aqueous extract of dog rose, white grape and knotweed. Substances which were extracted from these plants act both as reducer of silver and gold ions and stabilizing agent of forming silver and gold nanodispersion, preventing them from agglomeration and inhibiting their growth, so that the resulting particle size does not exceed 100 nm.
Research & Technology Organization
UNIVERSIDAD DE ALICANTE posted this:New procedure for the elimination of printed ink from plastic filmThe most innovative aspects of this technology are: • The process for the removal of the ink is completely innovative and ecological, because it does not use organic solvents. • The technology has been successfully tested on different plastics, such as Polythene, Polypropylene, Polyester and Polyamide. It is viable for both water and solvent based inks.
Merck KGaA posted this:HealthpressoTM - new way consumers experience healthcareThe use of pads or capsules containing coffee grounds or tea leafs for the storage and generation of fresh, high quality hot beverages is a convenient and already well established technology. Numerous devices and different set ups are on the market, the technology of which could also be used to extract other foodstuffs/edibles (e.g. herbs or dried viands) in order to generate (hot) beverages and provide the customer with freshly made infusions. HealthpressoTM aims to create a product that allows people to experience health and healthcare in a convenient and pleasure providing way. By applying specific proprietary membranes with a special feature of a pressure-dependent membrane valve, high pressure extractions can be carried out. The extraction pressure is determined by the membrane pore size and the applied surface energy. Depending upon the specific needs for the extraction goods membranes with variable membrane valve characteristics can be applied, allowing extracting multiple herbs at their optimum pressures in one capsule. The proprietary capsule design offers a ‘no-drip’ feature (PoP done).