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      A 3-D-Printed Integrated PCB-Based Electrochemical Sensor System

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          Electrochemical considerations for determining absolute frontier orbital energy levels of conjugated polymers for solar cell applications.

          Narrow bandgap conjugated polymers in combination with fullerene acceptors are under intense investigation in the field of organic photovoltaics (OPVs). The open circuit voltage, and thereby the power conversion efficiency, of the devices is related to the offset of the frontier orbital energy levels of the donor and acceptor components, which are widely determined by cyclic voltammetry. Inconsistencies have appeared in the use of the ferrocenium/ferrocene (Fc + /Fc) redox couple, as well as the values used for the absolute potentials of standard electrodes, which can complicate the comparison of materials properties and determination of structure/property relationships.
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            A wearable chemical–electrophysiological hybrid biosensing system for real-time health and fitness monitoring

            Flexible, wearable sensing devices can yield important information about the underlying physiology of a human subject for applications in real-time health and fitness monitoring. Despite significant progress in the fabrication of flexible biosensors that naturally comply with the epidermis, most designs measure only a small number of physical or electrophysiological parameters, and neglect the rich chemical information available from biomarkers. Here, we introduce a skin-worn wearable hybrid sensing system that offers simultaneous real-time monitoring of a biochemical (lactate) and an electrophysiological signal (electrocardiogram), for more comprehensive fitness monitoring than from physical or electrophysiological sensors alone. The two sensing modalities, comprising a three-electrode amperometric lactate biosensor and a bipolar electrocardiogram sensor, are co-fabricated on a flexible substrate and mounted on the skin. Human experiments reveal that physiochemistry and electrophysiology can be measured simultaneously with negligible cross-talk, enabling a new class of hybrid sensing devices.
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              Inkjet printing of single-walled carbon nanotube/RuO2 nanowire supercapacitors on cloth fabrics and flexible substrates

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                Author and article information

                Journal
                IEEE Sensors Journal
                IEEE Sensors J.
                Institute of Electrical and Electronics Engineers (IEEE)
                1530-437X
                1558-1748
                2379-9153
                April 1 2018
                April 1 2018
                : 18
                : 7
                : 2959-2966
                Article
                10.1109/JSEN.2018.2801459
                59e5e9eb-ba63-4aee-9cc2-c192e9715879
                © 2018
                History

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