Sequence-Specific Label-Free DNA Sensors Based on Silicon Nanowires

By Zhiyong Li, Yong Chen, Xuema Li, T. Kamins, K. Nauka, R. S. Williams. 2004

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Design Considerations of Silicon Nanowire Biosensors (2007, neutral): “1–10 pM, and the corresponding base pair lengths are: 31 bp in [5], 16 bp in [8], and 12 bp in [6] and [7].”
DNA-based methods for monitoring invasive species: a review and prospectus (2007, background): “Rearchers have explored various possibilities, including nanowire circuits (Andreu et al. 2006; Hahm and Lieber 2004; Li et al. 2004), ‘‘biosensing magnetic beads’’ (Dubus et al.”
Metal oxide nanocrystals for gas sensing (2004, background): “In the broad sensory field, direct ultrasensitive DNA detection of Si NWs has already been demonstrated [4, 8].”
Semiconducting Nanowire Field-Effect Transistor Biomolecular Sensors (2008, methodology): “The authors defined silicon wires by RIE and then used a 6-h oxidation [16] to thin the silicon channel to its final dimensions of ∼30 nm wide × ∼45 nm thick.”