Nanopore technology
Nanopore technology is part of the Nanopore Wiki learning path. Nanopore technology uses nanometer-scale openings to detect molecules through changes in ionic current, tunneling current, optical signal, or other measurable readouts.
Core concepts
- The pore geometry defines the sensing volume and constrains which molecules can be resolved.
- Biological pores offer reproducible atomic structures; solid-state pores offer material and device flexibility.
- Signal quality depends on pore state, membrane or chip stability, electronics, chemistry, and analysis.
- Sequencing is one engineered application of a broader nanopore detection principle.
How a measurement is organized
| Step | Description |
|---|---|
| 1 | Choose the pore system and define the target molecule. |
| 2 | Prepare buffer, sample, membrane or chip, and low-noise recording conditions. |
| 3 | Record an open-pore baseline and verify that the system is stable. |
| 4 | Add sample, detect events, and compare with controls and metadata. |
Typical applications
- DNA and RNA sequencing.
- Protein, peptide, polymer, particle, and small-molecule sensing.
- Single-channel biophysics and pore engineering.
- Portable, real-time molecular analysis.
Common pitfalls
- Assuming all nanopores behave like commercial sequencing flow cells.
- Ignoring surface adsorption and non-specific interactions.
- Comparing data across platforms without matching bandwidth, voltage, buffer, and pore size.
