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1.  Ion-sensing properties of 1D vanadium pentoxide nanostructures 
Nanoscale Research Letters  2012;7(1):310.
The application of one-dimensional (1D) V2O5·nH2O nanostructures as pH sensing material was evaluated. 1D V2O5·nH2O nanostructures were obtained by a hydrothermal method with systematic control of morphology forming different nanostructures: nanoribbons, nanowires and nanorods. Deposited onto Au-covered substrates, 1D V2O5·nH2O nanostructures were employed as gate material in pH sensors based on separative extended gate FET as an alternative to provide FET isolation from the chemical environment. 1D V2O5·nH2O nanostructures showed pH sensitivity around the expected theoretical value. Due to high pH sensing properties, flexibility and low cost, further applications of 1D V2O5·nH2O nanostructures comprise enzyme FET-based biosensors using immobilized enzymes.
doi:10.1186/1556-276X-7-310
PMCID: PMC3475107  PMID: 22709724
Vanadium pentoxide; Nanostructures; pH sensors; SEGFET; Hydrothermal synthesis

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