Related Experiment Video
Updated: Aug 9, 2026
11:13
Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
Published on: March 13, 2016
Inorganic nanotubes: a novel platform for nanofluidics
Joshua Goldberger1, Rong Fan, Peidong Yang
1Department of Chemistry, University of California, Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Accounts of Chemical Research
|April 19, 2006
Summary
Novel inorganic nanotubes synthesized via templating methods offer a new platform for nanofluidics. These semiconductor and silica nanotubes enable precise control and show promise for single-molecule sensing and subfemtoliter analytical technology.
Area of Science:
- Materials Science
- Nanotechnology
- Chemical Engineering
Background:
- Templating methods are crucial for synthesizing novel inorganic nanostructures.
- Nanotubes offer unique properties for advanced applications like nanofluidics.
- Controlling nanotube dimensions is key for device performance.
Purpose of the Study:
- To develop templating approaches for inorganic nanotube synthesis.
- To explore the application of these nanotubes in nanofluidic devices.
- To demonstrate the potential for single-molecule detection using these nanostructures.
Main Methods:
- Epitaxial casting for gallium nitride (GaN) nanotubes.
- Partial thermal oxidation of silicon nanowires for silica nanotubes.
- Integration of nanotubes into metal-oxide solution field-effect transistors (MOSolFETs).
Main Results:
- Successfully synthesized single crystalline semiconductor GaN nanotubes.
- Synthesized silica nanotubes with precisely controlled dimensions.
- Demonstrated rapid field-effect modulation of ionic conductance in MOSolFETs.
- Achieved single DNA molecule detection via charge and geometry effects.
Conclusions:
- Inorganic nanotubes are a viable platform for nanofluidics.
- These nanotubes enable sensitive single-molecule detection.
- Potential for subfemtoliter analytical technology and large-scale nanofluidic integration.
