Abstract

A cytokine storm may be the last attack of various diseases, such as sepsis, cancer, and coronavirus disease 2019, that can be life threatening. Real-time monitoring of cytokines in vivo is helpful for assessing the immune status of patients and providing an early warning of a cytokine storm. In this study, a functional carbon nanotube biointerface-based wearable microneedle patches for real-time monitoring of a cytokine storm in vivo via electrochemical analysis are reported. This wearable system has sensitivity with a detection limit of 0.54 pg mL-1 , high specificity, and 5 days of stability with a coefficient of variation of 4.0%. The system also has a quick response of several hours (1-4h) to increasing cytokines. This wearable microneedle patch may offer a promising route for real-time biomolecule wearables construction. The patch is also the first reported integrated capture and monitoring system that is capable of real-time measurement of protein markers in interstitial fluid.

Full Text
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