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Microfabrication techniques were developed to create flexible 24 μm thick glucose sensors on polyimide substrates. Measurements of the sensor performance, recorded as voltage potential, were carried out for a range of glucose concentrations (0–8 mM) in physiological saline (0.1 M NaCl, pH 7.4). The sensors show rapid response times (seconds to stable potential) and good sensitivity in the 0–4 mM range...
Lab-on-CMOS platforms provide a means to integrate microfluidics with biochips composed of various bioprobes immobilized on the surface of CMOS instrumentation chips. This paper outlines recent developments in lab-on-CMOS technologies and presents an analysis of the challenges to achieving accurate serial dilution of test samples over sensing elements in lab-on-CMOS platforms. Based on this analysis,...
Although recent research has theoretically demonstrated that enzymatic glucose biofuel cell can be used to power a contact lens-based glucose sensor, such a practical system does not exist. Here, we developed a novel closed loop system consisting of a charge pump circuit and a step up DC converter circuit that is powered by a single enzymatic glucose biofuel cell at physiological conditions. This...
The industrial revolution and rapid urbanization of human society have put a great strain on the resource consumption and environmental issues. The concept of a smart city with advanced technology can play a vital role to overcome these challenges and make life more sustainable and environment greener. Sensing technology has an intense impact in this regard starting from smart design of the infrastructure...
High performance biofunctionalized field effect transistors (BioFETs) use nanoscale electronic materials such as silicon nanowires (SiNWs), carbon nanotubes (CNT) and graphene for the sensing application. Specific focus will be on high-performance, low-cost, scalable, and reliable biofunctionalized field effect transistor (BioFET) based on graphene. We attempted to build the graphene based sensing...
Carbon nanomaterials are emerging as popular platforms for the development of advanced sensor technologies. This paper reports fabrication, characterization, and testing of carbon nanomaterial based sensors for astrobiology exploration. Development of nanostructured sensor instruments and associated sensor electronics are designed to implement a prototype sensor instrument in “lab-in-a-teacup” platform...
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