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The light emitted by quantum dots is both more intense and longer lasting than that produced by the fluorescent markers commonly used in medical and biological applications. Yet these nano-scale light sources still suffer from one major drawback: they do not dissolve in water. Researchers in the Netherlands and Singapore have found a way to remedy this. They have developed a coating which allows quantum dots to be used inside the human body, even inside living cells.Sent with Reeder
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