L to R: Reference dye signal, indicator dye signal and yellow nanosensor signal indicating that the cells are active (Image: Fraunhofer EMFT)
A new nanosensor developed by Fraunhofer researchers could reduce the number of lab experiments conducted using animal subjects (Image: Shutterstock)
Animal testing is an area that elicits strong feelings on both sides of the argument for and against the practice. Supporters like the British Royal Society argue that virtually every medical breakthrough of the 20th century involved the use of animals in some way, while opponents say that it is not only cruel, but actually impedes medical progress by using misleading animal models. Whatever side of the argument researchers fall on, most would likely use an alternative to animal testing if it existed. And an alternative that reduces the need for animal testing is just what Fraunhofer researchers hope their new sensor nanoparticles will be.
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