Abstract
The analysis of RNA sequences is crucial to obtain invaluable insights into disease prognosis. Reliable and rapid diagnostic solutions at the site of sample collection contribute toward optimal delivery of medical treatment. For this reason, the development of more sensitive and portable RNA detection techniques are expected to advance current point-of-care (POC) diagnostic capabilities. Advancements of POC diagnostic technologies will also contribute to counter the spread of emerging viruses. Reverse transcriptase polymerase chain reaction (RT-PCR) is the most commonly used technique to identify etiological organisms of infections. However, the need for thermocycler and fluorescent measurement renders RT-PCR less suitable for POC applications. Here, we provide a step-by-step protocol of Nucleic Acid Sequence-Based Amplification (NASBA), a robust isothermal RNA amplification technique, coupled with a portable paper microfluidics detection format.
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