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Nanotechnology What is Nano material and Nanotechnology

Nanotechnology What is Nanotechnology?


Nanotechnology is the study and development of small materials. They are composed of tiny particles and can be made into various products and structures. They are used in consumer goods. The use of nanometer-sized materials dates back hundreds of years. Roman artists discovered that silver and gold particles could be used to produce glass during the fourth century. The metals were suspended in a glass solution. This led to the Lycurgus Cup.


Structures


Nanostructures are a great choice for a variety of applications due to their distinctive characteristics. Nanostructures are less than one centimeters in size, and are created by various techniques. While some techniques are straightforward, like solution processing, others require advanced lithography. Numerous industrial applications are available for nanostructured materials. Nanostructured materials also have value in many other areas, including biomedical, textiles and sensors.


Most nanomaterials are composed by dispersions of nanoparticles however, some other materials employ nanostructures. Metal organic frameworks (MOFs) are one example of this as they incorporate nano-voids in their crystal structure. The voids in the structure allow MOFs to function as hosts for active pharmaceutical ingredients as well as molecules. They can be released directly into tissues, making them useful in the delivery of drugs.


Properties


Nanomaterials are tiny particles with distinct physical and chemical properties. The dimension of a nanoparticle will influence its toxicity and activity. Other properties of nanomaterials comprise surface area and chemical properties of the surface. Nanomaterials are also able to aggregate. These characteristics are essential to the an effective use of nanomaterials.


Nanoparticles have smaller atoms than bulk materials. Therefore, they can react with chemicals. For example, gold is inert when it is used at large scales, but at nanoscale, it is catalyst, as it oxidizes carbon monoxide along with other chemicals. Glass is another type of material with distinctive properties. It is fragile and may be damaged or have microcracks that could lead to rapid cracks.


Applications


Nano-materials have high strength and light weight and can be utilized for diverse purposes. For instance, they can help reduce the weight of commercial jet aircraft which can help save fuel by up to 15 percent. They can also help reduce the weight of launch vehicles by 63 percent. They can be utilized for a variety of reasons, including medical and transportation.


Biomedical applications can be found in coating filters, vaccines, and drugs. Nanomaterials are also effective in fighting many diseases and viruses.


Health effects


Although the scientific community has achieved progress in understanding the negative effects of engineered nanomaterials on the human body however, the scientific community isn't completely aware of everything. There are still gaps in our knowledge concerning, for example, the routes of exposure and how nanomaterials are introduced into and circulated within the body. Additional research is needed to fill these gaps.


Nanoparticles can pass through cell membranes and reach blood and other organs. Nanoparticles also have a greater surface area to volume ratio than bigger particles. This means they can hold larger molecules. Thus, their toxicity is contingent on their chemical composition as well as their surface characteristics. It is, however, possible to modify the surfaces of nanoparticles in order to make them less hazardous.tongruncms

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