Seniors and Depression: The difference between depression and dementia. Depression is a mood disorder; dementias like Alzheimerâs disease, can have similar symptoms but they are different illnesses and have different treatment plans.
From a synthesis standpoint, nanotechnologies can be classified as variations of bottom-up technologies, such as self-assembly, or top-down technologies, such as lithographic methods (Box 1). Many nanotechnologies combine aspects of both strategies.
To address new market opportunities, HexaTech is developing several product lines: Nitride LEDs based on AlN substrates are capable of generating light in the UV-C band (200nm to 260nm). Light at 260 nm efficiently breaks up DNA and de-activates bacteria and viruses in water and on surfaces.