A natural method of disarming some types of viruses may enable scientists to someday treat infections with HIV, the AIDS virus, according to a virologist at Jefferson Medical College.
Taking the lead from the common fruit fly, yeast and worms, scientists have recently shown that it may be possible to use small pieces of genetic material called short interfering RNAs (siRNAs) to inhibit HIV from making more copies of itself.
The process, called RNA interference (RNAi), was first discovered in 1998. It is so novel, says virologist Roger J. Pomerantz, M.D., professor of medicine, biochemistry and molecular pharmacology and chief of the division of infectious diseases at Jefferson Medical College of Thomas Jefferson University in Philadelphia, that scientists only now are beginning to understand its potential to treat disease. "Whats so exciting for HIV therapy is that it may be a potent way of specifically inhibiting the virus," says Dr. Pomerantz, whose commentary accompanies a paper on the topic in the July 2002 issue of Nature Medicine.
Steve Benowitz | EurekAlert!
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Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
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In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
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By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
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COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
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'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
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