Thermo-responsive Polymer Capsules in Real-time One-step RT-PCR for Highly Multiplex RNA Analysis

Title
Thermo-responsive Polymer Capsules in Real-time One-step RT-PCR for Highly Multiplex RNA Analysis
Authors
김상경김준선김봉균정승원김미연권순환
Keywords
controlled release systems; influenza virus detectors; multiplex real-time one-step RT-PCR; thermo-responsive hydrogels; upper critical solution temperature
Issue Date
2020-08
Publisher
Advanced Healthcare Materials
Citation
VOL 9, NO 7-8
Abstract
Rapid and simple detection of RNA targets is in high demand due to the growing threat of pandemic viruses. One‐ step real‐ time, reverse transcription– polymerase chain reaction (One‐ step RT‐ qPCR) using a controlled release system of thermo‐ responsive materials is developed in this paper to enable high‐ fidelity RNA analysis as suppressing by‐ products. The nanocapsules, consisting of upper critical solution temperature (UCST) material and PCR primers, carry or release the primers depending upon the temperature. The UCST nanocapsules are introduced into hydrogel microparticles incorporated with RT primers and then the target RNA is selectively amplified in the microparticle through one‐ qPCR. Severe side products are sharply subdued by separating the PCR primers from the RT process by means of the microparticles with nanocapsules. Because the one‐ step assay is now implemented in a single microparticle, multiple target RNAs can be analyzed in a simple RT‐ qPCR of multiple particles. Reliable 18‐ plex one‐ qPCR is successfully conducted within 30 min using single‐ color fluorescent optics. This work also explains the facile fabrication processes used for the thermo‐ responsive nanocapsules and hydrogel microparticles by the blending polymerization method. Extensible multiplex analysis of influenza virus demonstrates the versatile uses of this one‐ qPCR platform.
URI
https://pubs.kist.re.kr/handle/201004/71838
ISSN
2192-2640
Appears in Collections:
KIST Publication > Article
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