A research team led by a chemist at the University of California, Riverside has fabricated microscopic polymer beads that change color instantly and reversibly when external magnetic fields acting upon the microspheres change ...
Polymers
Jun 16, 2009
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A handheld diagnostic device that Massachusetts General Hospital (MGH) investigators first developed to diagnose cancer has been adapted to rapidly diagnose tuberculosis (TB) and other important infectious bacteria. Two papers ...
Bio & Medicine
May 5, 2013
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(PhysOrg.com) -- With an invention that can be made from some of the same parts used in CD players, University of Michigan researchers have developed a way to measure the growth and drug susceptibility of individual bacterial ...
Analytical Chemistry
Jan 17, 2011
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(Phys.org) —Researchers are developing a system that uses tiny magnetic beads to quickly detect rare types of cancer cells circulating in a patient's blood, an advance that could help medical doctors diagnose cancer earlier ...
Analytical Chemistry
Oct 2, 2013
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DNA lesions are really common —about one million individual molecular lesions per cell per day— because its long strands usually have one missing base or are damaged. These lesions can stall the DNA replication process, ...
Cell & Microbiology
Dec 3, 2012
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Dr. Park and colleagues report on a new biosensing protocol based on monitoring changes in optical transmittance of a solution containing self-assembled chains of functionalized magnetic beads being rotated by an external ...
Bio & Medicine
Oct 26, 2010
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Separating target molecules in biological samples is a critical part of diagnosing and detecting diseases. Usually the target and probe molecules are mixed and then separated in batch processes that require multiple pipetting, ...
Biochemistry
Sep 17, 2013
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Rice University researchers are using magnetic beads and DNA "springs" to create chains of varying flexibility that can be used as microscale models for polymer macromolecules.
Polymers
Jul 28, 2014
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European scientists developed a novel foundry process using moulds formed by 'binding' metallic particles with application of a magnetic field. The process produced high-quality, complex parts at a very competitive cost.
Condensed Matter
Sep 14, 2012
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(Phys.org) -- Using a sensor made of densely packed carbon nanotubes coated with gold nanoparticles, a researcher team headed by James Rusling of the University of Connecticut has developed a low-cost microfluidic device ...
Bio & Medicine
Jul 5, 2012
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