Sentences with word «superparamagnetic»

When a rotating magnetic field is applied to a spider web - shaped magnetic pattern, it can attract biomolecules labeled with superparamagnetic particles faster to the sensor.

The biomolecules labeled with superparamagnetic particles and the use of an external magnetic field enabled the movement of the biomolecules to be easily controlled and detected with an ultra-sensitive magnetic sensor.

«The largest superparamagnetic materials that we have been able to make before now were clusters of nanocrystals that were together about a thousand times smaller than these,» commented Dr. Chen.

Electron micrographs of tiny superparamagnetic crystals of magnetite at different resolutions.

The Bulte Lab has developed methods to label cells magnetically using tiny superparamagnetic iron oxide nanoparticles in order to make them visible by magnetic resonance imaging; this technology has now been introduced in the clinic for several cell therapy applications.

Kezheng Chen and Ji Ma from Quingdou University of Science and Technology, Quingdou, China have published a method of producing superparamagnetic crystals that are much larger than any that have been made before.

Flexible magnetic filaments can be synthesized by joining superparamagnetic beads with elastic linkers, giving rise to interesting phenomena due to the combinations of their elastic and magnetic properties, which have found diverse applications, such as micro-mechanical sensors and self - propelled swimmers.

For example, superparamagnetic particles and chemotherapeutics drugs can be incorporated in the polymeric shelled microbubbles.

Both can be used to track the aggregates of the superparamagnetic particles used in the study.

One of the issues with traditional magnetic memory is that capacity is limited by the superparamagnetic limit - essentially the size of the particles used in the memory.

«But we have the potential to get much higher since we are not limited by the superparamagnetic limit - there are difficult technological limitations to overcome first though.»

In addition, the team has identified that the superparamagnetic particles not only play the role of biomolecular cargo for transportation, but also act as labels for the sensor to indicate the location of biomolecules.

The research team also succeeded in monitoring the biomolecules conjugated to the superparamagnetic particles at a distance from the sensing area by utilizing the biosensor platform.

The first author Byeonghwa Lim at DGIST's Ph.D program of Emerging Materials Science elaborated on the biosensor platform, «We placed a spider web - shaped micro-magnetic pattern which was designed to move the superparamagnetic particles toward the center of the biosensor and a high sensitivity biosensor on the platform.

It improved the sensing ability of the biosensor as it increased the ability to collect low - density biomolecules by attracting biomolecules labeled with the superparamagnetic particles to the sensing area.

In theory, superparamagnetic particles could be ideal for drug delivery, as they can be directed to a tumor simply by using a magnetic field.

This method of making larger superparamagnetic crystals paves the way for the development of superparamagnetic bulk materials that can be reliably controlled by moderate external magnetic forces, revolutionizing drug delivery to tumors and other sites in the body that need to be targeted precisely.

In contrast, abundant materials such as iron oxide (Fe304) nanoparticles are very well - known thanks to their superparamagnetic properties.

This superparamagnetic material can be cut into arbitrary shapes and is suitable for applications such as multiphase catalysis and the removal of heavy metal ions and oil from water.