Nanowire-based biosensors.

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Fabrication of silicon nanowire devices for ultrasensitive, label-free, real-time detection of biological and chemical species (2006, background): “Studies using nanowire field-effect sensors have demonstrated significant advantages for real-time, label-free and highly sensitive detection of a wide range of species, including proteins, nucleic acids, small molecules and viruses, in either single-element or multiplexed format”
Electrochemical Biosensors - Sensor Principles and Architectures (2008, methodology): “Since the nanometer dimensions of these objects are comparable to the size of the target biomolecules, higher measurement sensitivity may result [19], and sensitivity may also increase due to higher capture efficiency [20].”
A Review on Biosensors and Recent Development of Nanostructured Materials-Enabled Biosensors (2021, background): “The combination of tunable conducting properties of semiconducting NWs and the ability to bind analytes on their surface yields a direct, label-free electrical readout [173].”
Transport phenomena in nanofluidics (2008, background): “Lieber, 2003; Ramachandran et al., 2005; Gooding, 2006; Patolsky et al., 2006a, 2006b; Carlen and Van den Berg, 2007".”