Technique to measure volumes of key 'Lab on a Chip' components

Imagine shrinking tubes and beakers—in fact, most of a clinical chemistry lab—down to the size of a credit card. When engineers figured out how to do that two decades ago, they enabled complex tests to be performed with tiny "lab on a chip" technology. But until now, there has been no way to accurately measure the size of the tiny vessels they created. Now,scientists at the National Institute of Standards and Technology have found a potential solution to this longstanding manufacturing issue.

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