News tagged with magnetic force
Magnetic nanoparticles to simultaneously diagnose, monitor and treat
Nanotechnology / Bio & Medicine
Nov 06, 2009 |
not rated yet |
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(PhysOrg.com) -- Whether it's magnetic nanoparticles (mNPs) giving an army of 'therapeutically armed' white blood cells direction to invade a deadly tumour's territory, or the use of mNPs to target specific nerve channels ...
Quantum-limited Measurement Method for Nanosensors
Oct 14, 2009 |
4.3 / 5 (4) |
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(PhysOrg.com) -- (PhysOrg.com) -- A team of scientists from the Max Planck Institute of Quantum Optics and the Ludwig Maximilians University have succeeded in applying a novel optical method to nano-mechanical ...
Physicists Measure Elusive 'Persistent Current' That Flows Forever
Oct 08, 2009 |
4.8 / 5 (58) |
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(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...
Making a Point: Picoscale Stability in a Room-Temperature AFM
Mar 25, 2009 |
4.9 / 5 (28) |
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(PhysOrg.com) -- Forget dancing angels, a research team from the National Institute of Standards and Technology (NIST) and the University of Colorado (CU) has shown how to detect and monitor the tiny amount ...
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Small mechanical forces have big impact on embryonic stem cells
Oct 18, 2009 |
4 / 5 (4) |
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Applying a small mechanical force to embryonic stem cells could be a new way of coaxing them into a specific direction of differentiation, researchers at the University of Illinois report. Applications for force-directed ...
Magnetic field on bright star Vega
Jun 23, 2009 |
4.5 / 5 (6) |
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Astronomy & Astrophysics journal publishes the first detection of a magnetic field on the bright star Vega. Using the NARVAL spectropolarimeter of the Bernard-Lyot telescope on top of the Pic du Midi (Franc ...
Magnetic fields play larger role in star formation than previously thought
Sep 09, 2009 |
4.4 / 5 (14) |
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The simple picture of star formation calls for giant clouds of gas and dust to collapse inward due to gravity, growing denser and hotter until igniting nuclear fusion. In reality, forces other than gravity also influence ...
Salt Water System Could Generate Hydrogen
Mar 18, 2009 |
3.9 / 5 (31) |
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(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy ...
Metal Foam Has a Good Memory
Dec 18, 2007 |
4.6 / 5 (32) |
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In the world of commercial materials, lighter and cheaper is usually better, especially when those attributes are coupled with superior strength and special properties, such as a material's ability to remember ...
Highlight: Biofunctionalized magnetic-vortex microdiscs
Nanotechnology / Nanomaterials
Dec 09, 2009 |
4.8 / 5 (4) |
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Users from Argonne's Materials Science Division and University of Chicago's Pritzker School of Medicine, working collaboratively on a user science project with CNM's Nanobio Interfaces Group, have discovered ...
Real-time observation of the DNA-repair mechanism
Biology /
May 22, 2008 |
4.2 / 5 (5) |
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For the first time, researchers at Delft University of Technology have witnessed the spontaneous repair of damage to DNA molecules in real time. They observed this at the level of a single DNA molecule. Insight into this ...
Bioengineers devise nanoscale system to measure cellular forces
Nanotechnology / Bio & Medicine
Aug 27, 2007 |
4.2 / 5 (5) |
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University of Pennsylvania researchers have designed a nanoscale system to observe and measure how individual cells react to external forces.
Physicist develops battery using new source of energy
Mar 11, 2009 |
4.7 / 5 (51) |
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Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...
Researchers create 'synthetic magnetic fields' for neutral atoms
Dec 02, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
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