Bacterial Litmus Test Measures Micronutrients

1,112 views · Published 31 August 2015 · 2:06 · Indexed 4 November 2026

Channel: Georgia Tech · 2015 · Education

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A bacterium engineered to produce different pigments in response to varying levels of a micronutrient in blood samples could give health officials an inexpensive way to detect nutritional deficiencies in resource-limited areas of the world. This “bacterial litmus test,” which currently measures levels of zinc, requires no electrical equipment and the results are visible as simple color changes.

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