Nanotechnology - What exactly is Nanotechnology?
Nanotechnology, is the study of nanomaterials. They are made up of microscopic particles which can be used to produce various kinds of products and structures. Certain of these materials are utilized in consumer items. There have been many centuries of use of nanometer-scale substances. Roman artists discovered that gold and silver particles could be used in the creation of glass as early as the fourth century. The elements were suspended in glass in a solution. This led to the Lycurgus Cup.
Nanostructures possess characteristics which make them suitable for various applications. Nanostructures can be smaller than 1 millimeter and can be made using several techniques. While some techniques are easy like solution processing others require advanced technology like lithography. Nanostructured materials are a great choice for industrial uses. Nanostructured substances are also beneficial in a variety of different applications, including sensors, biomedical and textiles.
The majority of nanomaterials consist from dispersions made of nanoparticles but some materials incorporate nanostructures. One instance is metal organic frameworks (MOFs) that include nano-voids in their crystal structure. The voids allow the MOFs to function as hosts for active pharmaceutical components. They can be released directly into tissues and are therefore useful for drug delivery.
Nanomaterials are tiny particles that possess distinct physical and chemical properties. Nanoparticles may have a substantial impact on their toxicity and biological activity. Surface area and surface chemistry are also important characteristics of nanomaterials. Another crucial property of nanomaterials is their capability to agglomerate. These properties are crucial to an effective use of nanomaterials.
Nanoparticles are smaller in atoms than bulk materials, which means they can react with chemicals. Gold, for example is inert when used on large scales , but it is able to be used as a catalyst to oxidize carbon monoxide or other chemicals on a nanoscale. Another material that has unique characteristic is glass. However, it is also brittle and has defects or microcracks which can cause fast cracks.
Nanomaterials are lightweight and durable and can be used in many ways. They can be utilized to reduce the weight of commercial aircraft and even help save fuel up to 15%. They also can help reduce the weight of launch vehicles by 63 percent. These materials are used in a variety of areas of our lives, from transportation to medicine.
Biomedical applications consist of coating vaccines, filters , and drugs. Nanomaterials also have the capability of fighting various diseases and viruses.
Health adverse effects
The scientific community is making progress towards understanding the harmful effects of engineered nanomaterials but it's far from knowing the full extent of the negative effects on the human body. For instance, there are some gaps in our understanding regarding how nanomaterials are absorbed into the body and the process by which they are transferred. These gaps should be filled by additional research.
Nanoparticles may pass through cell membranes and into blood and various organs. Nanoparticles also have higher surface area-to-volume ratio than larger particles. This means that they are able to hold larger molecules. Their toxicity is determined by the chemical composition as well as their features on the surface. It is also possible to alter nanoparticles' surfaces to reduce their toxicity.tongruncms
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