Enzyme-coated single ZnO nanowire FET biosensor for detection of uric acid

Optical biosensors based on ZnO nanostructures: advantages and perspectives. A review

“…Due to their high surface/volume ratio, surface tailoring ability, novel electron transport properties and electronic conductance multifunctionality it is possible to successfully immobilize various types of biomolecules. Mostly nanorods (NRs) [36,38,40,43,45,47,48,53,56,74,82,86] and nanowires (NWs) [29,33,42,46,49,75,77,94] were used as a biosensor platform. Nanoparticles (NPs) [35,37,50,83,84,97,98], quantum dots [34,44], other low-dimentional structures [30,32,39,52,70,71,76,79,80,81,85,89,93,95,99] and thin films [31,51,72,73] ...…”

“…Nowadays, the most developed and used biosensor platforms are electrical [29,32,33,37,42,46,47,56,87] and electrochemical [16,30,31,38,39,55,88,90,[92][93][94]. Electrical in particular are based on their Field Effect Transistor (FET) platforms demonstrate high level of detection but require additional input of lithography and nanotechnology, what makes these devices more complex and expensive.…”

“…Nanostructured ZnO films have been widely used as template in electrochemical biosensors before demonstrating good sensitivity and low detection limit [30,39,55,88,90,[92][93][94], while ZnO nanowires, nanorods etc. have been widely used recently as the sensing element in FET biosensors [29,33,87].…”

ZnO nanostructures in enzyme biosensors

“…Fig. 4 shows a single ZnO nanowire immobilized across Ti/Au layered electrodes [120]. The nanowire was prepared in a CVD furnace without catalyst, and the electrode was (Continued)…”

Fabrication of Fe nanowires on yittrium-stabilized zirconia single crystal substrates by thermal CVD methods

“…15 3 Si NW solar cells, 4 and ZnO chemical sensors. 5 Fe NWs in this study are expected to have an anisotropic magnetoresistance effect due to their large shape anisotropy. They are also expected for application in spintronic devices and the precursor of permanent magnets.…”