Search results
Results from the WOW.Com Content Network
Biosensors based on type of biotransducers. A biotransducer is the recognition-transduction component of a biosensor system. It consists of two intimately coupled parts; a bio-recognition layer and a physicochemical transducer, which acting together converts a biochemical signal to an electronic or optical signal.
Bio-FETs couple a transistor device with a bio-sensitive layer that can specifically detect bio-molecules such as nucleic acids and proteins. A Bio-FET system consists of a semiconducting field-effect transistor that acts as a transducer separated by an insulator layer (e.g. SiO 2) from the biological recognition element (e.g. receptors or probe molecules) which are selective to the target ...
The biosensor reader device connects with the associated electronics or signal processors that are primarily responsible for the display of the results in a user-friendly way. [5] This sometimes accounts for the most expensive part of the sensor device, however it is possible to generate a user friendly display that includes transducer and ...
The biosensors are disposable, resulting in low costs and high commercial availability. [11] Biosensor selection is determined by the desired test results: kinetic analysis, quantitative analysis, or both. [12] Most commercially available biosensor types will be grouped into one of these three categories by the BLI manufacturer. [1]
Electrochemical aptamer-based (E-AB) biosensors is a device that takes advantage of the electrochemical and biological properties of aptamers to take real time, in vivo measurements. An electrochemical aptamer-based (E-AB) biosensor generates an electrochemical signal in response to specific target binding in vivo [ 3 ] The signal is measured ...
Upon hybridization of the miRNA target with its complementary probe sequence, voltammetric miRNA biosensors detect the change in current based on a controlled increase or decrease in electric potential on the detection platform. Amperometric-based biosensors detect the change in electric current at a fixed positive electric potential. [1]
The study uncovered that the feral dogs living near the Chernobyl Power Plant showed distinct genetic differences from dogs living only some 10 miles away in nearby Chernobyl City.
Optogenetics began with methods to alter neuronal activity with light, using e.g. channelrhodopsins.In a broader sense, optogenetic approaches also include the use of genetically encoded biosensors to monitor the activity of neurons or other cell types by measuring fluorescence or bioluminescence.