Greg E. Bridges
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View article: RFID Sensor with Integrated Energy Harvesting for Wireless Measurement of dc Magnetic Fields
RFID Sensor with Integrated Energy Harvesting for Wireless Measurement of dc Magnetic Fields Open
High-voltage direct-current (HVdc) transmission lines are gaining more attention as an integral part of modern power system networks. Monitoring the dc current is important for metering and the development of dynamic line rating control sc…
View article: Nonreciprocal Control of the Speed of Light Using Cavity Magnonics
Nonreciprocal Control of the Speed of Light Using Cavity Magnonics Open
We demonstrate nonreciprocal control of the speed of light by sending a microwave pulse through a cavity magnonics device. In contrast to reciprocal group velocity controlled by conventional electromagnetically induced transparency (EIT) e…
View article: Sensitivity of bulk electrical impedance spectroscopy (bio‐capacitance) probes to cell and culture properties: Study on <scp>CHO</scp> cell cultures
Sensitivity of bulk electrical impedance spectroscopy (bio‐capacitance) probes to cell and culture properties: Study on <span>CHO</span> cell cultures Open
Bulk electrical impedance spectroscopy (bio‐capacitance) probes, hold significant promise for real‐time cell monitoring in bioprocesses. Focusing on Chinese hamster ovary (CHO) cells, we present a sensitivity analysis framework to assess t…
View article: Light-Emitting Diode Array with Optical Linear Detector Enables High-Throughput Differential Single-Cell Dielectrophoretic Analysis
Light-Emitting Diode Array with Optical Linear Detector Enables High-Throughput Differential Single-Cell Dielectrophoretic Analysis Open
This paper presents a lens-free imaging approach utilizing an array of light sources, capable of measuring the dielectric properties of many particles simultaneously. This method employs coplanar electrodes to induce velocity changes in fl…
View article: Combined Dielectric-Optical Characterization of Single Cells Using Dielectrophoresis-Imaging Flow Cytometry
Combined Dielectric-Optical Characterization of Single Cells Using Dielectrophoresis-Imaging Flow Cytometry Open
In this paper, we present a microfluidic flow cytometer for simultaneous imaging and dielectric characterization of individual biological cells within a flow. Utilizing a combination of dielectrophoresis (DEP) and high-speed imaging, this …
View article: Chipless RFID Sensor for Measuring Time-Varying Electric Fields Using a Contactless Air-Filled Substrate-Integrated Waveguide Resonator
Chipless RFID Sensor for Measuring Time-Varying Electric Fields Using a Contactless Air-Filled Substrate-Integrated Waveguide Resonator Open
This paper presents a wireless chipless resonator-based sensor for measuring the absolute value of an external time-varying electric field. The sensor is developed using contactless air-filled substrate-integrated waveguide (CLAF-SIW) tech…
View article: Single-Wire Time Domain Reflectometry Technique (SW-TDR): Detecting Faults in Power System Grounding Electrodes
Single-Wire Time Domain Reflectometry Technique (SW-TDR): Detecting Faults in Power System Grounding Electrodes Open
The performance of electrical power systems relies on a healthy and properly functioning grounding network. Buried vertical electrodes are the pillars of a grounding system. This paper presents a Time Domain Reflectometry (TDR) technique b…
View article: Relevance of Dielectric Properties in Bulk Impedance Measurement of Cell Cultures
Relevance of Dielectric Properties in Bulk Impedance Measurement of Cell Cultures Open
Analysis of cells using their inherent electrical properties is gaining attraction in biopharmaceutical industry for monitoring the status of cells in bioreactors.Electrical-based methods are label-free, cost-efficient, and simple to opera…
View article: Dielectrophoresis study of temporal change in internal conductivity of single CHO cells after electroporation by pulsed electric fields
Dielectrophoresis study of temporal change in internal conductivity of single CHO cells after electroporation by pulsed electric fields Open
Applying sufficiently strong pulsed electric fields to a cell can permeabilize the membrane and subsequently affect its dielectric properties. In this study, we employ a microfluidic dielectrophoresis cytometry technique to simultaneously …
View article: Dielectric model for Chinese hamster ovary cells obtained by dielectrophoresis cytometry
Dielectric model for Chinese hamster ovary cells obtained by dielectrophoresis cytometry Open
We present a dielectric model and its parameters for Chinese hamster ovary (CHO) cells based on a double-shell structure which includes the cell membrane, cytoplasm, nuclear envelope, and nucleoplasm. Employing a dielectrophoresis (DEP) ba…