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Washington, December 4: Engineers at the Massachusetts Institute of Technology (MIT) have shown that ultraviolet light can be used to sculpt three-dimensional microparticles, which may have many applications in medical diagnostics and tissue engineering.

The researchers say that their technique may give microparticles a design that is useful for probes to identify DNA and other molecules, or to release medicines or nutrients.

They say that the new technique offers unprecedented control over the size, shape and texture of the particles, and allows the designing of particles with specific chemical properties such as porosity—a measure of the void space in a material that can affect how fast different molecules can diffuse through the particles.

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Washington, Dec 4: A study led by an Indian-origin researcher has identified nine genetic markers that augment a person’s risk for schizophrenia, thereby unearthing original evidence that this disa

Chennai: Majority of agitating medicos have ended their strike against

Washington, Dec 4: Aeronautical engineers have developed a sophisticated and mathematical software that would help to determine the most efficient path for an unmanned spacecraft to the outer fring

London, Dec 4: Reports indicate that China would launch its first Mars probe Yinghuo-1 atop a Russian launch vehicle in October 2009.

The probe will travel 350 million km in 11 months before entering planet's orbit.

"Yinghuo-1 will reach the preset circling orbit and send back the first images of the red planet in September 2010," said Chen Changya, a researcher with the Shanghai Institute of Satellite Engineering.

"The 110-kg Mars probe will circle around the planet for one year, though it has a designed life of two years. It will conduct scientific exploration tasks, including exploring the Martian space environment, and relay back the first Mars images taken by a Chinese satellite," said Chen.