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Densely packed carbon nanotube (CNT) forest on silicon wafer has been fabricated by combining the process of mechanical press and liquid densification. Advantages from the densely packed CNT forest prototype devices include: (1) 16-fold volume reduction with the same amount of CNT forest as compared to the as-grown CNT forest; (2) preservations of aligned CNT organization and natural contacts to the...
Glucose is the central molecule in many biochemical pathways, and numerous approaches have been developed for fabricating micro biosensors designed to measure glucose concentration in/near cells and/or tissues. An inherent problem for microsensors used in physiological studies is a low signal-to-noise ratio, which is further complicated by concentration drift due to the metabolic activity of cells...
The "healing" of nano-to-micro electrical contact between a single carbon nanotube (CNT) and silicon micro structure has been demonstrated using the technique of electrical breakdown. Experimental results show that the resistance of an in-situ synthesized CNT was "healed" from an original value of infinite to 7 MOmega. The experimental breakdown voltage is 10 V and the electrical...
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