Modern analytical tools like mass spectrometers can identify many unknown substances, allowing scientists to easily tell whether foods or medicines have been altered. However, the cost, size, power consumption and complexity of these instruments often prevent their use in resource-limited regions. Now, researchers report that they have developed a simple, inexpensive method to identify samples by seeing how they react to a change in their environment.
from Top Technology News -- ScienceDaily https://ift.tt/2HFRcwR
Thursday, March 21, 2019
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» 'Chronoprints' identify samples by how they change over space and time
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