Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 10 of 10 for “"Sensing electrodes"”.
-
Design and Fabrication of Nanofluidic Systems with Integrated Sensing Electrodes for Rapid Biomolecule Characterization
<p>A transparent nanofluidic system with embedded sensing electrodes was designed and fabricated by integrating Atomic Force Microscopy (AFM) nanolithography, Focused Ion Beam (FIB) milling and metal deposition, and standard microfabrication processing. The fabrication process started with the …
-
A standalone capacitively coupled occupancy sensor
… sensor electronics are implemented with active sensing electrodes and resistive and capacitive feedback modes are evaluated for performance. Optimal front end feedback, electrode spacing, and signal source amplitude are explored. The sensor achieves a detection range of 11 feet for occupancy …
-
Advanced applications in wide-area impedance sensing
… lamps and laptop control signals. The active sensing electrodes with common-mode feedback are used with a spectrum analyzer and synchronous demodulator for source and material detection respectively. A setup for active source multiplexing is described and used in image reconstruction and …
-
Capacitive displacement sensing for the Nanogate
… fabrication process to integrate the capacitive sensing electrodes, as well as to improve the process yield. The development of capacitive sensing electronics for the Nanogate involved the design of an analog front-end to convert capacitance to voltage and a custom high precision data acquisition …
-
Dielectrometry measurements of moisture diffusion and temperature dynamics in oil impregnated paper insulated electric power cables
… are studied. The periodic sensor geometry has electrodes aligned with the cylindrical axis and periodic around the circumference. The z periodic sensor geometry has the electrodes forming rings around the cylinder that are periodic along the cylindrical axis. The material is modeled by …
-
Investigation and development of titanium nitride solid-state potentiometric pH sensor
… applications. The most common device for pH sensing is the conventional pH glass electrode. While glass electrodes have several advantages, such as Nernstian sensitivity, superior ion selectivity, excellent stability, and extensive operating range, they have several key disadvantages. pH …
-
Electrode performance and signal processing strategies for the discrimination of EEG alpha waves : implications for environmental control by unconstrained subjects without training
… to artifact) and the construction and use of EEG sensing electrodes. Many new techniques for the detection of the increase of alpha EEG associated with eye closure are researched, developed, implemented and evaluated. All detection techniques are compared to a conventional method using a novel …
-
Electrochemical Sensor for Metal Ions and Phosphate Ion Detection for Biomedical and Agriculture Application
… which indicates good selectivity of the GO/AgNWs sensing electrode. In this experiment, the sensitivities of the GO/AgNW working electrode sensors are found to be 7.89 μA/μM, 4.21 μA/μM, 2.63 μA/μM for Cd<sup>2+</sup>, Hg<sup>2+</sup>, Pb<sup>2+</sup> respectively. The detection ranges of these …
-
Development and application of a field instrumentation system for the investigation of surf zone hydrodynamics
… presence or absence of water at 128 individual sensing electrodes spaced 1.5 cm apart along the front surface of the wave gauge. On command, the instantaneous water surface elevation is measured, then telemetered digitally to the shorebased monitor and recorder. Field measurements of waves and …