text: The fabrication of magnetic nanochains with controlled aspect ratio, a uniform size, and a well-defined shape is the focus of many world-leading research groups and high-tech companies. The magnetic nanochains possess attractive properties which are significant added value for many potential uses including magneto-mechanical actuation-associated nanomedicines in low and super-low frequency alternating magnetic field. Such structures are used in a variety of applications, such as imaging and drug delivery. Other applications are shown below:
  * Mechanical sensors for testing the elastic moduli of biomolecules and nanostructures.
  * Microactuation
  * MRI imaging
  * Drug delivery 
  * Responsive coatings