chemical engineering
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Engineered bacteria emit signals that can be spotted from a distance
These bacteria, which could be designed to detect pollution or nutrients, could act as sensors to help farmers monitor their crops.
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Sensor could help doctors select effective cancer therapy
Hydrogen peroxide-sensing molecule reveals whether chemotherapy drugs are having their intended effects.
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Flexible sensors can detect movement in GI tract
Ingestible devices could diagnose gastrointestinal slowdown or monitor food intake.