Imperial College’s Timothy Rawson has developed a non-invasive microneedle bionsor patch capable of detecting antibiotic levels in the body. The goal is to reduce the need for blood sampling and analysis, optimize dosage, reduce drug-resistant infections and offer personalized drug delivery, both inside and outside of the hospital. A recent study showed that the accuracy of the real-time monitoring technology was similar to slower, periodic blood tests.
The technology has been used for continuous monitoring of blood sugar, but this is the first time it’s been used to monitor changes to drug concentrations. The researchers believe that the sensors could form the basis of a ‘closed loop system’, like an insulin pump – where antibiotics are administered to patients, and levels are continuously monitored to optimize dosage.
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