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There is a growing interest on microfluidic immunosensors for use as point-of-care diagnostic devices. In typical microfluidic immunosensors, the channel walls are functionalized with antibodies through intermediate linker molecules. The carrier fluid containing the antigens flows through the channels, and the antigens diffuse and electromigrate to the walls as the carrier fluid is convected along...
Micro Hotplates are extensively used in chemical sensor, flow sensor and other micro systems. In this paper, we have presented the design, modeling and simulation results of serpentine, spiral and fan shape micro heaters based on standard Multi User MEMS Process for fabrication in a multi product wafer run. The heater structure was optimized to get good temperature homogeneity, low power consumption...
The paper reports the development of low cost, portable and easily operable optical fiber based carbon dioxide biosensor (CO2). The chlorophyll and anthocyanin is used as active clads. Coriander and red leaf amaranth (amaranth) contain photosynthetic pigments viz. chlorophyll and anthocyanin. Developed sensors selectively show CO2 gas concentration dependent response from 1 to 500 ppm that is measured...
The gas sensing characteristics of Cr1−xFexNbO4 (x = 0.0, 0.5, 1.0) towards different organic analytes and hydrogen were investigated at different operating temperatures. The slope of the retrace transient, a representative feature for desorption kinetics was considered for data exploration. 11 sensors with 12 samples were tested and the data obtained was processed using principal component analysis...
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