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Multimodal electrochemical method comprising open circuit potential and amperometric technique has been implemented to improve the specificity of the ethanol detection in a fuel cell sensor system. A miniaturized device with LMP91000 potentiostat and a processing unit has been constructed containing simple auto-calibration algorithm. The developed processing unit consist of a low power microcontroller...
Covert channels have been used as a means to circumvent security measures and send sensitive data undetectable to an onlooker. Many covert channels in Android systems have been documented utilizing various system resources or settings available to the entire system. Nonetheless, this paper introduces a new storage covert channel on the emerging field of wearables that sends data to other applications,...
The vision of the NSF Center on Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST) is to develop nano-enabled technologies to achieve a paradigm shift towards long-term health and wellness management. To achieve this, the center is building self-powered, wearable and multimodal sensing systems for correlation of environmental exposures to physiological parameters. This paper...
Health care continues to be one of the biggest challenges facing our society. Factors such as lifestyle choices, genetics, aging, stress and environmental exposures play a critical role in determining health outcomes. Wearable technologies that can enable continuous/long-term personal health monitoring and personal environmental monitoring can empower users to make better lifestyle decisions and improve...
In this work we present A-Wristocracy, a novel framework for recognizing very fine-grained and complex inhome activities of human users (particularly elderly people) with wrist-worn device sensing. Our designed A-Wristocracy system improves upon the state-of-the-art works on in-home activity recognition using wearables. These works are mostly able to detect coarse-grained ADLs (Activities of Daily...
Out-of-plane hollow silicon dioxide microneedle arrays were fabricated and investigated to determine their efficacy for transdermal applications. The fabrication process of the SiO2 microneedles is described, and mechanical fracture forces were investigated on microneedles with different geometrical dimensions. Biomechanical characterization of the microneedles was performed to specifically test for...
Out-of-plane hollow silicon dioxide microneedle arrays were fabricated and investigated to determine their efficacy for transdermal applications. The fabrication process of the SiO2 microneedles is described, and mechanical fracture forces were investigated on microneedles with different geometrical dimensions. Biomechanical characterization of the microneedles was performed to specifically test for...
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