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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 ...
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 ...
There are several ways proposed today to make nanosensors; these include top-down lithography, bottom-up assembly, and molecular self-assembly. [1] There are different types of nanosensors in the market and in development for various applications, most notably in defense, environmental, and healthcare industries.
A notable recent application involves using laser-induced self-N-doped porous graphene in miRNA biosensors, capable of detecting miRNA hsa-miR-486-5p at concentrations as low as 10 fM. This approach combines cost-effectiveness with high reproducibility, offering significant advantages for conditions like preeclampsia.
[77] [78] Development of wearable biosensors is among such studies. [79] The elimination of lab testing can save time and money. An application of a POCT biosensor can be for the testing of HIV in areas where it is difficult for patients to be tested. A biosensor can be sent directly to the location and a quick and easy test can be used.
In amperometric biosensors, an enzyme-catalyzed redox reaction causes a redox electron current that is measured by a working electrode. [11] Amperometric biosensors have been used in bio-MEMS for detection of glucose , galactose , lactose , urea , and cholesterol , as well as for applications in gas detection and DNA hybridization . [ 11 ]
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Wearable technology is any technology that is designed to be used while worn.Common types of wearable technology include smartwatches and smartglasses.Wearable electronic devices are often close to or on the surface of the skin, where they detect, analyze, and transmit information such as vital signs, and/or ambient data and which allow in some cases immediate biofeedback to the wearer.
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