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What are nanoparticles, and how are they used?


The use of ceramic coatings in solar cells, scratch-proof eyeglasses (and other products) is increasing.

What is a Nanoparticle?

Nanoparticles or ultrafine particles are defined as a matter particle that has a diameter of between 1 and 10 nanometres. The term can be applied to larger particles (up to 500 nm) or fibers and tubes with a diameter less than 100 nm.

What is the effect of nanoparticles in the body on health?

The effects of inhaled


Inflammation of the lungs and heart problems are possible. Human studies show that breathing soot triggers a generalized inflammatory response, and changes the system which regulates involuntary cardiovascular functions such as heart rate control.

What are some examples nanoparticles of?

There are two types of nanoparticles: hard (e.g. titania, silicon dioxide, fullerenes), and soft (e.g. liposomes.

Some of the most common food-related nanotechnology products include M&M’s (Skittles), plastic containers, baby bottles, and other candies.

Nanomaterials also have many applications in medicine and bioengineering.Targeting drugs with nanometer magnetic materials as drug carriers have been successfully developed, which are called “biological missiles”.In other words, drugs are carried on the protein surface coated by magnetic Fe3O4 nanoparticles, injected into human blood vessels, and delivered to the lesion site through magnetic navigation to release drugs, which can reduce the side effects caused by drugs in the liver, spleen, kidney, etc.The information of various biochemical reactions and electrochemical information can be obtained by using nanosensors.Nanoparticles can be used as a nano robot, into the person’s blood, to human body health checks, dredge in cerebral thrombosis, remove fat deposits in the heart arteries, viruses, and even can eat kill cancer cells, etc., can be predicted that with the development of the preparation of nanometer materials technology development and function, there will be more and more new nano material has been widely used in many high-tech fields.

The growth of gold nanoparticles within tumors can help fight cancer

In many studies, gold has shown to be effective at fighting cancer. Researchers have developed a method to grow gold nanoparticles within cancer cells. They can aid in imaging, and they can even be heated to kill the tumours.

In the past, gold nanostars were used to battle cancer. However, one of the major challenges was getting the nanoparticles inside tumors. They can be equipped with peptides which hunt down the cancer or they can sneak inside by attaching themselves to white blood cell.

Researchers found that they could grow the gold inside cancer cells. This method is quicker and doesn’t need as much gold.

The team used PEG as a vehicle for ionic Gold, which is basically gold salts dispersed in a liquid. When the gold is introduced into the cancer, it changes from its ionic to plasmonic form due to the acidic cellular environment. The team claims that this can be done in just 30 minutes. It is much faster than traditional treatments which take up to 24 or more hours.

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