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Electric jolt triggers release of biomolecules, nanoparticles

Johns Hopkins researchers have devised a way to use a brief burst of electricity to release biomolecules and nanoparticles from a tiny gold launch pad. The technique could someday be used to dispense small amounts of medicine on command from a chip implanted in the body. The method also may be useful in chemical reactions that require the controlled release of extremely small quantities of a mat...

Magnetic computer sensors may help study biomolecules

Magnetic switches like those in computers also might be used to manipulate individual strands of DNA for high-speed applications such as gene sequencing, experiments at the National Institute of Standards and Technology (NIST) suggest. As described in a recent paper,* NIST researchers found that arrays of switches called "spin valves"—commonly used as magnetic sensors in the read heads o...
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(Date:10/10/2008)... Yamanaka MD, PhD, of Kyoto University and the Gla...has taken another step forward in improving the po...ed pluripotent stem (iPS) cell technology. , Pre...an be reprogrammed to become embryonic stem cellli...our genes required to reprogram the cells, and a v...
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