News tagged with light signal

Graphene flakes as an ultra-fast stopwatch

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), working with colleagues from the US and Germany, have developed a new optical detector from graphene which reacts very rapidly to incident light of all different ...

dateOct 27, 2015 in Nanophysics
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The light of fireflies for medical diagnostics

In biology and medicine, we often need to detect biological molecules. For example, in cancer diagnostics, doctors need quick and reliable ways of knowing if tumor cells are present in the patient's body. Although such detection ...

dateJul 22, 2015 in Biochemistry
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