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Can Nanosensors Curb Experiments Some Call "Animal Cruelty?"

If rats could clap, they just might. That's because German scientists have developed a new technology they say could reduce the number of experiments that expose rats, mice, rabbits, and other animals to potentially harmful chemicals.

Some call such experiments "animal cruelty." Others say animal experimentation is essential because it helps catch dangerous chemicals before humans are exposed to them.

The technology makes use of so-called nanosensors, minute particles that test the health effects of chemicals not on living, breathing animals but on human and animal cells.

"We're basically using a test tube to study the effects of chemicals and their potential risks," Dr. Jennifer Schmidt, a researcher at Munich's Fraunhofer Research Institution for Modular Solid State Technologists, said in a written statement. "What we do is take living cells, which were isolated from human and animal tissue and grown in cell cultures, and expose them to the substance under investigation."

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full story:
http://www.huffingtonpost.com/2012/01/11/animal-testing-nanosensors_n_1199517.html

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