Sentences with phrase «of magnetic nanoparticle»

Magnetotactic bacteria can even sense the earth's magnetic field by making use of magnetic nanoparticles in their interior that act as an internal compass.

«We have established proof of principle that it is possible to produce ankle block in the rat by intravenous injection of magnetic nanoparticles associated with ropivacaine and magnet application at the ankle,» write Dr Venkat R.R. Mantha and colleagues of University of Pittsburgh School of Medicine.

Dr. Anikeeva's lab has made many advances on fiber - inspired, multifunctional neural probes as well as the development of magnetic nanoparticles to non-invasively interact with the nervous system.

The black side of the microparticles carries not only a negative charge, but also a number of magnetic nanoparticles that are attracted to magnets pulled across the surface of the white display.

Not exact matches

Phase I funding — which allows up to $ 250,000 for an academic idea, such as decoding the genetic sequence of a protein or studying targeted drug delivery by using magnetic nanoparticles — is available from federal funding and foundations.

These new, non-invasive tools — representing significant advances related to positron emission tomography (PET), 3 - D microscopy and the use of magnetic fields and nanoparticles to remotely control targeted cells...

One species, Magnetospirillum gryphiswaldense, is easily cultivated in the lab — with or without magnetic nanoparticles in their interior depending on the presence or absence of iron in the local environment.

Arnd Pralle, a physics researcher at the State University of New York at Buffalo, has developed a technique for employing magnetic fields to heat up nanoparticles that have been implanted in neurons.

One promising idea, known as magnetic hyperthermia, involves injecting minuscule «nanoparticles,» basically microscopic lumps of iron oxide or other compounds, into tumors to make them magnetic.

A magnetic wristband can pull the nanoparticles to the wearer's wrist and count them, assessing the progression of disease.

«This group has solved the key impasse that has arrested the development of magnetic nanotherapies, that is, the weak response of the nanoparticle to the applied magnetic field,» she says.

HST researchers have experimented with polymer - coated iron oxide nanoparticles held together by DNA tethers to help them create a visual image of a tumor through magnetic resonance imaging.

To test the particles, the researchers implanted mice with a tumorlike gel saturated with nanoparticles and placed those mice into the wells of cup - shaped electrical coils, which activated the nanoparticles via magnetic pulses.

As such, this new synthetic route to oxide nanoparticles also shows great promise for a multitude of other catalytic, electrical, magnetic, or electrochemical processes, from novel cathodes to solution preparation of other types of ceramic materials.

Upon application of a relatively weak magnetic field, the two nanoparticles merge, forcing a reaction that releases the drugs at a specific location.

Anikeeva, who is now at the Massachusetts Institute of Technology (MIT) in Cambridge, decided to see if she could use magnetic nanoparticles to go deeper.

A combination of iron - oxide nanoparticles and an alternating magnetic field, which together generate heat, have activated an immune system response to tumors in mice according to an accepted manuscript by Dartmouth - Hitchcock Norris Cotton Center researchers in the journal Nanomedicine: Nanotechnology, Biology and Medicine released online on February 24, 2014.

Previous cancer studies had shown that by injecting tumors with magnetic nanoparticles made of iron oxide — «essentially rust, with well - tuned magnetic properties,» Anikeeva says — then exposing them to rapidly alternating magnetic fields, excited nanoparticles can be used to heat and destroy cancer tumors while leaving surrounding, healthy tissue intact.

The most immediate application of the vortex beam will be to measure the magnetic properties of nanoparticles.

Nanoparticles have also been tested in the manufacture of magnetic inks and inks that conduct electricity in printed electronics.

Researchers at Umeå University, together with researchers at Uppsala University and Stockholm University, show in a new study how nitrogen doped graphene can be rolled into perfect Archimedean nano scrolls by adhering magnetic iron oxide nanoparticles on the surface of the graphene sheets.

«Interestingly we observed that when the graphene is decorated by maghemite, the graphene sheets spontaneously start to roll into perfect Archimedean nano scrolls, while when decorated by the less magnetic hematite nanoparticles the graphene remain as open sheets, says Thomas Wågberg, Senior lecturer at the Department of Physics at Umeå University.

The Nano MRI Lamp technology consists of two magnetic materials: A quencher (magnetic nanoparticle) and an enhancer (MRI contrast agent).

The technique could facilitate the use of nanoparticles for optical, electrical, optoelectronic, magnetic, catalysis and other applications in which tight control over size and structure is essential to obtaining desirable properties.

It shows that the magnetic interaction between the iron oxide nanoparticles is one of the main effects behind the scroll formation.

Their findings are reported in, «Magnetic nanoparticle hyperthermia induced cytosine deaminase expression in microencapsulated E. coli for enzyme - prodrug therapy,» in Journal of Biotechnology.

The biomarkers stick to the antibodies on both and act like glue, causing the silver nanoparticles to accumulate on the outside of the magnetic particles.

There it mixes with a solution containing both magnetic particles and much smaller silver nanoparticles, both of which are coated with antibodies specific to a particular biomarker, such as testosterone.

Certain strains of bacteria absorb iron to make magnetic nanoparticles that let them navigate using the Earth's magnetic field.

Before injecting nematodes with magnetic nanoparticles, the scientists first coated the manganese — iron nanoparticles with polyethylene glycol, a molecule that targeted the particles to the mucus layer of the amphid region (an opening near the nematode's mouth that hosts the nerve cells involved in the heat avoidance reflex).

A team of biophysicists from the State University of New York (S.U.N.Y.) at Buffalo used magnetic nanoparticles to control heat - activated protein gates called ion channels embedded in the membranes of nerve cells, allowing the researchers to stimulate a simple reflex in nematode worms at will.

After outfitting the nanoparticles with their molecular assistants and engineering the cell membranes to receive the nanoparticles, the team applied a solution of nanoparticles to the cell cultures and switched on a magnetic field.

To get round this, Wilhelm Roell at the University of Bonn in Germany and his colleagues loaded muscle stem cells with iron oxide nanoparticles to make them magnetic.

Future work for Kim's lab — which has recently been relocated to Southern Methodist University in Dallas, Texas — will include replacing the magnetic debris with nanoparticles for a systematic investigation of particle size, ultimately testing the range of applications of the robots.

Nanoparticles exhibit a range of useful electronic, optical, and magnetic properties.

«We think it is possible to use a static magnetic field first to help guide the nanoparticles to the clot, then alternate the orientation of the field to increase the nanoparticles» efficiency in dissolving clots,» says Paolo Decuzzi, who led the study.

A University of Manitoba physicist is part of an international research team developing a cancer treatment method that uses magnetic nanoparticles to kill tumours with heat.

The team used iron oxide for the core of the nanoparticles, which not only enables the team to use them for magnetic resonance imaging, but opens up possibilities in remote guidance and localized magnetic heating to hasten the breaking up of the clots.

Therefore, the enhancement of the magnetic anisotropy of Fe3O4 nanoparticles in order to produce blocked magnetic single domain nanoparticles at room temperature is highly challenging.

Hyperthermic potentiation of cisplatin by magnetic nanoparticle heaters is correlated with an increase in cell membrane fluidity.

... researchers working with magnetic nanoparticles at the University of California, Los Angeles (UCLA), and the US Department of Energy's (DOE's) Lawrence Berkeley National Laboratory (Berkeley Lab) approached computational scientists at DOE's Oak Ridge National Laboratory (ORNL) to help solve a unique problem: to model magnetism at the atomic level using experimental data from a real nanoparticle.

«We then add a magnetic field to arrange the nanoparticle chains and provide directionality,» said Bhuvnesh Bharti, research assistant professor of chemical and biomolecular engineering at NC State and first author of the paper.

To simulate a supercell of about 1,300 atoms from strongly magnetic regions of the 23,000 - atom nanoparticle, they used the Linear Scaling Multiple Scattering (LSMS) code, a first - principles density functional theory code developed at ORNL.

«This could help scientists learn how to steer the growth of iron - platinum nanoparticles so they develop more highly magnetic patterns of atoms,» says Ercius.

Here, we show that capillarity - mediated binding between magnetic nanoparticles coated with a liquid lipid shell can be used for the assembly of ultraflexible microfilaments and network structures.

The researchers then used the three - dimensional coordinates of the atoms as inputs into quantum mechanics calculations to determine the magnetic properties of the iron - platinum nanoparticle.

«Nanocapillary - mediated magnetic assembly of nanoparticles into ultraflexible filaments and reconfigurable networks»

Researchers have developed a technique using magnetic nanoparticles that opens the door to allow therapeutic molecules to cross the blood - brain barrier, thereby opening the door to new treatments and diagnosis of brain diseases.

Building on his Ph.D. research developing magnetic nanoparticle tracers for Magnetic Particle Imaging (MPI), he co-founded LodeSpin Labs LLC where he led the preclinical development of the first long - circulating blood pool MPImagnetic nanoparticle tracers for Magnetic Particle Imaging (MPI), he co-founded LodeSpin Labs LLC where he led the preclinical development of the first long - circulating blood pool MPIMagnetic Particle Imaging (MPI), he co-founded LodeSpin Labs LLC where he led the preclinical development of the first long - circulating blood pool MPI tracer.

CeO2 Nanoparticles Dispersion Nanomaterials are being applied across a wide range of high - tech industries and advanced technologies due to their excellent optical, magnetic, catalytic and electronic properties.