Related Experiment Videos
Real-time nucleic acid sequence-based amplification in nanoliter volumes.
Anja Gulliksen1, Lars Solli, Frank Karlsen
1NorChip AS, Industriveien 8, 3490 Klokkarstua, Norway. Anja.Gulliksen@norchip.com
Analytical Chemistry
|December 31, 2003
Summary
Real-time nucleic acid sequence-based amplification (NASBA) on a microchip enables rapid RNA detection. This miniaturized technology facilitates high-throughput diagnostics for pathogens and cancer markers with reduced costs and contamination risks.
Area of Science:
- Biotechnology
- Molecular Diagnostics
- Microfluidics
Background:
- Real-time nucleic acid sequence-based amplification (NASBA) is an isothermal RNA amplification method.
- Fluorescent molecular beacon probes allow real-time monitoring of amplification.
Purpose of the Study:
- To demonstrate the feasibility of real-time NASBA on a microchip.
- To develop a miniaturized platform for rapid nucleic acid detection.
Main Methods:
- Developed a silicon-glass microchip with 10- and 50-nL reaction chambers.
- Utilized real-time NASBA with fluorescent molecular beacon probes.
- Integrated thermal control and optical detection systems for amplification readout.
Main Results:
- Successfully identified oligonucleotides at concentrations of 1.0 and 0.1 microM on the microchip.
- Demonstrated distinct amplification processes within the microchip chambers.
- Validated the performance of the miniaturized real-time NASBA system.
Conclusions:
- Miniaturized real-time NASBA in microchips offers a viable solution for high-throughput diagnostics.
- This technology enables cost-effective and contamination-free detection of bacteria, viruses, and cancer markers.
- The developed microchip platform shows significant potential for point-of-care diagnostics.