Described examples include a sensor device having at least one conductive elongated first pillar positioned on a central pad of a first conductor layer over a semiconductor substrate, the first pillar extending in a first direction normal to a plane of a surface of the first conductor layer. Conductive elongated second pillars are positioned in normal orientation on a second conductor layer over the semiconductor substrate, the conductive elongated second pillars at locations coincident to via openings in the first conductor layer. The second conductor layer is parallel to and spaced from the first conductor layer by at least an insulator layer, the conductive elongated second pillars extending in the first direction through a respective one of the via openings. The at least one conductive elongated first pillar is spaced from surrounding conductive elongated second pillars by gaps.

A system for reading at least one wireless resonant sensor includes a signal parameter measuring device, a reader housing, a computing device electrically connected to the signal parameter measuring device, and a plurality of reader antennas disposed within the reader housing and electrically connected to the signal parameter measuring device, wherein the plurality of reader antennas comprises a first reader antenna for signal output and a second reader antenna for signal input. The signal parameter measuring device is configured to sweep frequencies over a range of frequencies to acquire signal parameters for the wireless resonant sensor. The computing device is configured to determine changes in resonant frequency of the wireless resonator sensor based on the signal parameters. The reader housing may be sized and shaped for placement against a surface of a vessel in which a chemical or biological process is occurring.

A device and a method for capacitive determination of a proportion of a substance in a material. The device includes an oscillating circuit with a coil and a plate capacitor, wherein the oscillating circuit can be excited to oscillate at different frequencies or inductances. It is provided that the frequency response or resonant frequencies of the oscillating circuit are recorded and evaluated with regard to characteristic features. On the basis of the frequencies that can be assigned to these characteristic features, the proportion of a specific substance in the material to be measured can be determined. The method for capacitive determination of a proportion of a substance in a material is based in particular on the fact that the dielectric properties of the substance are used in the method in order to determine the proportion of the substance in the material to be measured.

In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may measure at least one of a first height value and a first width value of a first eye diagram of a first signal; measure at least one of a second height value and a second width value of a second eye diagram of a second signal; determine at least one of a height difference value and a width difference value respectively between the at least one of the first height value and the first width value of the first eye diagram and the at least one of the second height value and the second width value of the second eye diagram; and determine that the at least one of the height difference value and the width difference value respectively meets or exceeds a height threshold value or a width threshold value.

There is provided a blood condition analyzing device including: an extraction unit configured to use temporal change data of an electrical characteristic of blood at an arbitrary frequency to extract a feature of the data; and a blood condition evaluation unit configured to evaluate a condition change of blood from a feature extracted in the extraction unit.

A probe for penetrating and measuring electrical properties of a soil comprises a probe tip connected, via a coaxial cable, to electrical circuitry. The probe tip is convex and includes first and second electrodes with an electrode insulator therebetween. The first electrode is tubular and includes an interior surface defining a central opening extending through the first electrode. The second electrode includes a convex section extending away from the first electrode, and the convex section is configured for insertion into soil. The one end of the coaxial cable is disposed within the central opening of the first electrode, and the inner conductive core of one end of the coaxial cable connected to the second electrode, and the conductive shield of the one end of the coaxial cable connected to the first electrode.

A resonant sensor probe assembly includes a substrate formed from one or more dielectric materials and free-standing electrodes coupled with the substrate. The free-standing electrodes are configured to be placed into the fluid and to generate an electric field between the free-standing electrodes. A controller measures an impedance response of the sensor to the fluid between the electrodes to determine an aging effect of the sensor.

Embodiments herein include a kinetic response system for measuring analyte presence on a chemical sensor element. The chemical sensor element includes one or more discrete binding detectors, each discrete binding detector including a graphene varactor. The kinetic response system includes a measurement circuit having an excitation voltage generator for generating a series of excitation cycles over a time period. Each excitation cycle includes delivering a DC bias voltage to the discrete binding detectors at multiple discrete DC bias voltages across a range of DC bias voltages. The kinetic response system includes a capacitance sensor to measure capacitance of the discrete binding detectors resulting from the excitation cycles. The kinetic response system includes a controller circuit to determine the kinetics of change in at least one of a measured capacitance value and a calculated value based on the measured capacitance over the time period. Other embodiments are also included herein.

Sensors are configured to capture measurement data representing dissolved oxygen (DO) measurements of an environment and capacitance measurements of a medium of the environment. A memory includes computer-executable instructions. One or more processors are communicatively coupled to the one or more sensors and configured to execute the computer-executable instructions to carry out operations comprising: generating, using first measurement data captured by the one or more sensors, a model based on a relationship between the first set of DO measurements and the first set of capacitance measurements; receiving, from the one or more sensors, second measurement data; predicting, using the model and based on the new capacitance measurement, an expected DO measurement; determining whether to use the expected DO measurement or the new DO measurement; and controlling, a valve to cause the determined oxygen input amount to flow into the environment based on the expected DO measurement.

As one example, an apparatus includes a dielectric microsensor having a microfluidic chamber that includes a capacitive sensing structure. The microfluidic chamber is adapted to receive a volume of a blood sample, and a bioactive agent is adapted to interact with the blood sample, as a sample under test (SUT), within the microfluidic chamber. A transmitter can provide an input radio frequency (RF) signal to the dielectric microsensor, and a receiver can receive an output RF signal from the dielectric microsensor. A computing device is configured to compute dielectric permittivity values for the SUT based on the output RF signal over a time interval in which the dielectric permittivity values are representative of the bioactive agent interacting with the blood sample over the time interval. The computing device is further configured to provide a readout representative of hemostatic dysfunction for the blood sample based on the dielectric permittivity values.