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Shape memory polymers (SMPs) are smart materials that can be deformed into a temporary shape and then return to their original, "permanent" shape when triggered by an external stimulus, most commonly heat, but also light, moisture, electric current, or magnetic fields. Unlike shape memory alloys such as Nitinol, which rely on a metallic crystal-phase transformation, SMPs achieve this effect through their polymer network structure, which makes them lighter, cheaper to process, and capable of much …

Silicon dioxide (SiO2) is a compound of silicon and oxygen, commonly called silica and the elements are linked by the covalent bond. It is one of the components of the sand and can be found naturally in Quartz. It is usually white or colorless and is not soluble in water or ethanol. By associating with minerals, it forms the silicate family. Silicon dioxide (SiO2) has several industrial applications such as an additive in the food industry. Its function is to act as an anti-binder, a …

Holmium doesn't get talked about nearly as much as neodymium or dysprosium, but it quietly does something none of its neighbors on the periodic table can match: no naturally occurring element has a stronger magnetic moment. That single fact, 10.6 μB per Ho3+ ion, is why holmium shows up in places you wouldn't expect a soft, silvery-white metal to matter much: inside high-field electromagnets, in kidney stone lasers, and lately in nuclear reactor control rods and even early quantum computing r …

The fullerenes are constituted by a network formed by 12 pentagons and 20 hexagons, closing the sphere. Each carbon of a fullerene is sp hybridized in the form of a sigma bond (simple bond) with three other carbon atoms, subtracting one electron from each carbon. The most important property of Fullerenes is its high symmetry. In this one, there are 120 symmetry operations, such as axis rotations or reflections in the plane. This makes the C60 molecule the most symmetrical molecule since it has t …

The development of Antibacterial Nanopowder has been approached by different areas of science as a possible solution to a wide variety of pathologies (meningitis, encephalitis, bacteremia and febrile gastroenteritis) associated with bacterial colonization on surfaces of medical devices, hospital garments and even at the level of infrastructure. Although human mortality from nosocomial infections has decreased over the last century, this is a public health problem that requires more attent …