Wearable biomolecule smartsensors based on one-step fabricated berlin green printed arrays
2019
Ma, Junlin | Jiang, Yu | Shen, Liuxue | Ma, Hongting | Sun, Tongrui | Lv, Fengjuan | Kiran, Almas | Zhu, Nan
The wearable smart detection of body biomolecules and biomarkers is being of significance in the practical fields. Hydrogen peroxide (H₂O₂) is a product of some enzyme-catalyzed biomolecular reactions. The detection of H₂O₂ could reflect the concentration information of the enzyme reaction biomolecule substrate such as glucose. A high-performance berlin green (BG) carbon ink for monitoring H₂O₂ was prepared in this work. And we have successfully developed the wearable smartsensors for detecting H₂O₂ and glucose based on one-step fabricated BG arrays by screen-printing technology. Comparing with other detection methods, these sensors are wearable, movable, flexible and biocompatible for monitoring biomolecules. As a result, the sensors exhibited good sensitivity, specificity, stability and reproductivity towards H₂O₂ and glucose. Additionally, there also received stable response after near one hundred times stretching and thousands of bending. Moreover, the wearable sensors could be easily remotely controlled by a smart phone, when integrated with wireless into the device. In prospective studies, the one-step fabricated wearable smartsensors is of great significance in developing a straightforward, highly-efficient and low-cost method for actual detection of biomolecules reflecting body health status, and would potentially be applied in the artificial intelligence (AI) fields.
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