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- W2064861305 endingPage "25" @default.
- W2064861305 startingPage "1" @default.
- W2064861305 abstract "The unique electronic properties and miniaturized dimensions of silicon nanowires (SiNWs) are attractive for label-free, real-time and sensitive detection of biomolecules. Sensors based on SiNWs operate as field effect transistors (FETs) and can be fabricated either by top–down or bottom–up approaches. Advances in fabrication methods have allowed for the control of physicochemical and electronic properties of SiNWs, providing opportunity for interfacing of SiNW-FET probes with intracellular environments. The Debye screening length is an important consideration that determines the performance and detection limits of SiNW-FET sensors, especially at physiologically relevant conditions of ionic strength (>100 mM). In this review, we discuss the construction and application of SiNW-FET sensors for detection of ions, nucleic acids and protein markers. Advantages and disadvantages of the top–down and bottom–up approaches for synthesis of SiNWs are discussed. An overview of various methods for surface functionalization of SiNWs for immobilization of selective chemistry is provided in the context of impact on the analytical performance of SiNW-FET sensors. In addition to in vitro examples, an overview of the progress of use of SiNW-FET sensors for ex vivo studies is also presented. This review concludes with a discussion of the future prospects of SiNW-FET sensors." @default.
- W2064861305 created "2016-06-24" @default.
- W2064861305 creator A5061764924 @default.
- W2064861305 creator A5090709874 @default.
- W2064861305 date "2014-05-01" @default.
- W2064861305 modified "2023-10-14" @default.
- W2064861305 title "Silicon nanowires as field-effect transducers for biosensor development: A review" @default.
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