Related Experiment Video
Updated: Apr 27, 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
9.7K
Ultra-high-aspect-orthogonal and tunable three dimensional polymeric nanochannel stack array for BioMEMS applications
Joonseong Heo1, Hyukjin J Kwon, Hyungkook Jeon
1Department of Mechanical Engineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea. limmems@postech.ac.kr.
Nanoscale
|July 5, 2014
Summary
Researchers developed ultra-high-aspect ratio orthogonal nanochannels using polymers. This flexible, tunable technology enables novel micro/nanofluidic devices for applications like nano-electroporation.
Area of Science:
- Materials Science
- Nanotechnology
- Microfluidics
Background:
- Nanofabrication drives innovation beyond traditional theories.
- Nano-engineering applications rely on advanced fabrication techniques.
Purpose of the Study:
- To fabricate ultra-high-aspect ratio orthogonal nanochannel arrays using polymeric materials.
- To demonstrate the tunability and potential applications of these novel nanochannel structures.
Main Methods:
- Fabrication of orthogonal nanochannel arrays with ultra-high aspect ratios (∼10^6).
- Utilizing flexible and stretchable polymeric materials for tunable nanochannel dimensions.
- Stacking and rolling nanochannel arrays to form dense, radial-uniformly distributed structures.
Main Results:
- Demonstrated ion concentration polarization for specific current-voltage characteristics.
- Showcased preconcentration of charged species using the fabricated devices.
- Achieved accurate controllability over nanochannel dimensions for micro/nanostructure interfacing.
Conclusions:
- Polymeric orthogonal nanochannel arrays offer a flexible platform for micro/nanofluidic devices.
- The tunable nature of these arrays is suitable for advanced biological/biomedical microelectromechanical system (BioMEMS) applications.
- This technology enables precise interfacing for applications like nano-electroporation.
