ArticleMicrosystems & nanoengineering2022
Self-assembled microtubular electrodes for on-chip low-voltage electrophoretic manipulation of charged particles and macromolecules.
Article in Microsystems & nanoengineering, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Self-Assembled Inorganic Nanomembrane Tubes: Rolled-Up Piezoelectrics for Microacoustic Wave-Based Actuators and Sensors.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- One-step rolling fabrication of VOScience advances · 2023Article
- Strain-induced self-rolled-up microtubes for multifunctional on-chip microfluidic applications.Biomicrofluidics · 2023Review
- Electropatterning-Contemporary developments for selective particle arrangements employing electrokinetics.Electrophoresis · 2023Review
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Authors and funding
9 authors.
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No grant is acknowledged in the PubMed record.
Abstract
On-chip manipulation of charged particles using electrophoresis or electroosmosis is widely used for many applications, including optofluidic sensing, bioanalysis and macromolecular data storage. We hereby demonstrate a technique for the capture, localization, and release of charged particles and DNA molecules in an aqueous solution using tubular structures enabled by a strain-induced self-rolled-up nanomembrane (S-RuM) platform. Cuffed-in 3D electrodes that are embedded in cylindrical S-RuM structures and biased by a constant DC voltage are used to provide a uniform electrical field inside the microtubular devices. Efficient charged-particle manipulation is achieved at a bias voltage of <2-4 V, which is ~3 orders of magnitude lower than the required potential in traditional DC electrophoretic devices. Furthermore, Poisson-Boltzmann multiphysics simulation validates the feasibility and advantage of our microtubular charge manipulation devices over planar and other 3D variations of microfluidic devices. This work lays the foundation for on-chip DNA manipulation for data storage applications.
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