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A vertically aligned carbon nanotubes based impedance biosensor has been used to facilitate and sense the electromagnetic stimulation of 7dbm intensity and 940MHz frequency on the QUDB cancer cells. A mechanism based on the accumulation of charge on the tips of CNT's and interacting the charge to cellular cytoplasm has been suggested. Effect of the CNT growth catalyst (Ni) has been studied alone with...
Carbon nanotubes (CNTs) have been proposed as a promising material to enhance the interface between electrodes and neuronal tissue. It has been demonstrated that nanostructured carbon surfaces have the potential to dramatically improve the recording and stimulation conditions making it an interesting candidate for electrodes in neural implants. Impedance reduction and high-charge injection are only...
Bulk CMOS technology is facing enormous challenges at channel lengths below 45 nm such as gate tunneling, device mismatch, random dopant fluctuations, mobility degradation, etc. Although multiple gate transistors and strained silicon devices overcome some of the bulk CMOS problems, it is sensible to look for revolutionary new materials and devices to replace silicon. It is obvious that future technology...
A novel PNM textile with extremely small thickness on the order of a few micron was characterized at millimeter wave frequencies (26.5 - 40 GHz), and the impedance analysis of the material was presented. The results show that the PNM is an excellent absorber for wideband applications; the highly polarized materials can be utilized for polarization detection and sensing applications. The impedance...
This paper demonstrates a novel flexible carbon nanotubes (CNTs) electrode array for neural recording. In this device, the CNTs electrode arrays are partially embedded into the flexible Parylene-C film using a batch microfabrication process. Through this fabrication process, the CNTs can be exposed to increase the total sensing area of an electrode. Thus, the flexible CNTs electrode of low impedance...
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