Sensor Architecture
Sensor Architecture - Related Videos
09:14
Glovebox and Impurity Sensors
0 Views •
2023
Source: Tamara M. Powers, Department of Chemistry, Texas A&M University The glovebox provides a straightforward means to handle air- and moisture-sensitive solids and liquids. The glovebox is what it sounds like: a box with gloves attached to one or more sides, which allows the user to perform manipulations within the glovebox under an inert atmosphere. For manipulations under inert atmospheres, chemists can choose between Schlenk or high-vacuum techniques and a glovebox. Schlenk and...
09:30
Bacterial Detection & Identification Using Electrochemical Sensors
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Cited by 6 •
2013
We describe an electrochemical sensor assay method for rapid bacterial detection and identification. The assay involves a sensor array functionalized with DNA oligonucleotide capture probes for ribosomal RNA (rRNA) species-specific sequences. Sandwich hybridization of target rRNA with the capture probe and a horseradish peroxidase-linked DNA oligonucleotide detector probe produces a measurable amperometric current.
10:23
Glutamine Flux Imaging Using Genetically Encoded Sensors
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Cited by 7 •
2014
This article will demonstrate how to monitor glutamine dynamics in live cells using FRET. Genetically encoded sensors allow real-time monitoring of biological molecules at a subcellular resolution. Experimental design, technical details of the experimental settings, and considerations for post-experimental analyses will be discussed for genetically encoded glutamine sensors.
05:15
An Aptamer-based Sensor for Unchelated Gadolinium(III)
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2017
The use of polydeoxynucleotide (44-mer aptamer) molecules for sensing unchelated gadolinium(III) ion in an aqueous solution is described. The presence of the ion is detected via an increase in the fluorescence emission of the sensor.
13:44
Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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Cited by 13 •
2013
We demonstrate methods for the detection of architectural distortion in prior mammograms. Oriented structures are analyzed using Gabor filters and phase portraits to detect sites of radiating tissue patterns. Each site is characterized and classified using measures to represent spiculating patterns. The methods should assist in the detection of breast cancer.
FAQs
A measurement path assigns a specific role to each stage. The sensing element responds to the target quantity, the transducer converts that response into an electrical signal, and signal-conditioning circuitry prepares it through filtering and amplification. Digitization then creates data that the communication interface can transmit, making the original physical or chemical input usable for engineering decisions.
These signal-conditioning operations prepare the transducer output for interpretation and transmission. Filtering processes the signal, amplification adjusts its level, and digitization converts the conditioned electrical signal into data. Together, they help the system produce measurements that can move reliably through later processing and communication stages rather than remaining as an unprepared sensor response.
Power management determines how the system supports its sensing, conditioning, digitizing, and communication functions, while the communication interface provides the route for transmitting resulting data. Their inclusion connects measurement generation with system operation. This combination affects practical design priorities such as power consumption, reliability, and how effectively measurements support monitoring or control.
Engineers must balance sensitivity, accuracy, response time, power consumption, and reliability when organizing the system. Improving one characteristic may shape decisions elsewhere in the architecture because sensing, signal processing, power, and communication stages work as a connected chain. The selected arrangement therefore reflects the measurement requirements and operating priorities of the intended application.
Begin by identifying the physical or chemical quantity to be measured, then select a sensing element that responds to it. Define the transducer stage that converts the response into an electrical signal, followed by circuitry for filtering, amplification, and digitization. Finally, incorporate power management and a communication interface so the resulting data can be transmitted.
The architecture should match the demands of the application. Industrial equipment and vehicles may require arrangements that emphasize reliable monitoring and timely response, while medical devices and environmental measurements may prioritize appropriate sensitivity and accuracy. Connected technologies additionally depend on effective data transmission. In each case, the system stages are organized around the required measurement outcome.
A completed system can transform physical or chemical conditions into transmitted data for monitoring and control. Its measurements may support observation of industrial equipment, vehicle operation, medical devices, or environmental conditions. Because the architecture affects sensitivity, accuracy, response time, power consumption, and reliability, it also shapes how useful and dependable that information is in practice.