Nanografi Nanotechnology

*Yttrium was found by Carl Arrhenius in 1787 in Sweden. Later on Johan Gadolin made lots of researches about this element. Its chemical symbol is Y. *Yttrium  silvery-white metal is considered to be slightly toxic when it is in the water soluble compounds. Yttrium rare earth metal's insoluble compounds are accepted to be non-toxic. *Yttrium is a soft and silvery metal. Most of its compounds are colorless. It is usually ignited in air when heated. *Although Yttrium element is very reactive in nature, it is not easy to find this element free in nature. *Through Yttrium's reaction with water, yttrium hydroxide and hydrogen gas is formed. *Yttrium rare earth element is usually used in making alloys and increasing the strength of some metals. It is also used in electrical and electronic industry. *Yttrium oxide also is used to produce yttrium-iron-garnets, which are very effective microwave filters. http://nanografi.com/nanoparticles/y2o3-yttrium-ox...

Lifetimes of Aluminum metal in nuclear reactors or other chemical environments can be improved by new treatment with Carbon Nanotube. Image retrieved from: http://fastcache.gawkerassets.com/assets/images/8/2011/03/cooling-towers-of-a-nuclear-power-station.jpg One of the most important difficulty in nuclear reactors is limited operating lifetime because of exposion of metals to heavy radiation environment resulted cracking and then failure. MIT researchers has found the positive effects of CNT addition to the metal on this obstruction. However, this study is only valid for usage of Al metal at lower temperature conditions. Improvement of operating lifetime of Aluminum had significant importance because it is used in different area such as reactor components, nuclear batteries, spacecraft and container for nuclear waste.  When the CNT was dispersed in the metal uniformly, the radiation damage for long periods can reduced without any degradation. Radiation exposure causes dwell

Image retrieved from: http://protivkart.org/uploads/posts/2016-08/1472602468_ntp.jpg Todays, nanotechnology finds potential applications in food industry by modifying or changing biological molecules toward different characteristics that are unlike from natural ones. Researchers deal with nanomaterials which will affects not only taste of food but also food safety, food delivering etc. Food can be called as “nanofood” when nanoparticles and nanotechnology techniques are used during breeding, production, processing or packaging of the food. The importance of nanotechnology in food ındustry make sense due to some difficulties to reach high quality nutrients and drinking water especially in third world countries.  Some examples of nanotechnology applications from agriculture to packaging of foods are listed below: Agriculture ·          Nanocapsules for delivery of pesticides, fertilizers and other agrichemicals more efficiently ·          Controlled delivery of growth