Magnetic Nanoparticles: Learn Properties & Magnetic Field Strength

[Sylvester1]

Hello Everybody,

i would like to ask if anyone around here has any prior knowledge regarding magnetic nanoparticles and their properties and could provide me with a useful link so that i can search deeper and learn more. What i would like mostly to know is if they can emit a magnetic field and the strength of their magnetic field.

Thank you!

 

[Simon Bridge]

Magnetic materials possess a magnetic field, they do not "emit" one.
The presence of a magnetic field is why the particle is called magnetic - it's what the word means - so magnetic nanoparticles possesses a magnetic field.

The field strength depends on the material properties of the individual particle and it's synthesis - their properties can vary quite a bit. Perhaps you can be more specific?

Meantime:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3312841/

 

[Sylvester1]

this link was so helpful!thank you very much!

 

[Simon Bridge]

No worries - sometimes it's just knowing how to sort through information.

 

[sardar]

Hello there! I am happy to assist you with your inquiry about magnetic nanoparticles. Magnetic nanoparticles are tiny particles, typically between 1-100 nanometers in size, that have magnetic properties. These particles are made up of a magnetic material, such as iron or iron oxide, and are often coated with a protective layer to prevent them from clumping together.

In terms of their properties, magnetic nanoparticles have a high surface area-to-volume ratio, making them very reactive and useful in various applications. They also have the ability to be manipulated by an external magnetic field, making them valuable for targeted drug delivery, magnetic resonance imaging (MRI), and other medical and industrial uses.

Regarding your question about their ability to emit a magnetic field, it depends on the type of magnetic nanoparticles. Some nanoparticles are superparamagnetic, meaning they can only be magnetized in the presence of an external magnetic field and do not emit a magnetic field on their own. Others, such as ferromagnetic nanoparticles, can maintain their magnetization even after the external magnetic field is removed, allowing them to emit a magnetic field.

As for the strength of their magnetic field, it also varies depending on the type of magnetic nanoparticle and its size. Generally, the smaller the particle, the weaker its magnetic field. However, with advancements in technology, scientists are now able to create magnetic nanoparticles with stronger magnetic fields.

I hope this information helps in your search for more knowledge about magnetic nanoparticles. Here is a link to a research paper that discusses the properties and applications of magnetic nanoparticles in more detail: https://pubs.acs.org/doi/10.1021/cr068445e. Happy learning!